Dell GX620 manual

Dell™OptiPlex™GX620SystemsUser'sGuide    Mini Tower Computer  Desktop Computer  Small Form Factor Computer  Ultra Small Form Factor Computer[...]

Back to Contents Page  Advanced Features Dell™OptiPlex™GX620 User's Guide   LegacySelect Technology Control LegacySelect technology control offers legacy - full, legacy - reduced, or legacy - free solutions based on common platforms, hard - drive images, and help desk procedures.Controlisprovidedtotheadm[...]

A managed system is one that has Dell OpenManage Client Instrumentation set up on a network that uses IT Assistant. For information about Dell OpenManage Client Instrumentation, see the Dell OpenManage Client Instrumentation User's Guide available on the Dell Support website at support.dell.com .  Security  Chassis Intrusion Detection Th[...]

 Option Settings You cannot change or enter a new system password if either of the following two options is displayed: l  Set — A system password is assigned. l  Disabled — The system password is disabled by a jumper setting on the system board. You can only assign a system password when the following option is displayed: l  Not Set[...]

Deleting or Changing an Existing System Password  1. Enter system setup .  2. Highlight System Password and press <Enter>.  3. When prompted, type the system password.  4. Press <Enter> twice to clear the existing system password. The setting changes to Not Set .  If Not Set is displayed, the system password is deleted. I[...]

 2. Type the administrator password at the prompt.  3. Highlight Admin Password and press the left - or right - arrow key to delete the existing administrator password. The setting changes to Not Set . To assign a new administrator password, perform the steps in " Assigning an Administrator Password ."  4. Exit system setup.  [...]

 System Setup Options setup field. NOTE: Depending on your computer and installed devices, the items listed in this section may or may not appear. System System Info Lists the computer name, BIOS version, and service tag. CPU Info Identifies whether the computer's processor supports Hyper - Threading and identifies the CPU speed, bus speed,[...]

Controller Off - The USB controller is disabled On - the USB controller is enabled No Boot - The USB controller is enabled; however, the BIOS will not recognize USB storage devices. The factory default setting is On . Front USB Ports Enables and disables the front - panel USB ports. Off — Disabled On — Enabled The factory default setting is On [...]

 Boot Sequence This feature allows you to change the boot sequence for devices.  Option Settings l  Onboard or USB Floppy Drive — The computer attempts to boot from the floppy drive. If the floppy disk in the drive is not bootable, or if no floppy disk is in the drive, the computer generates an error message. l  Onboard SATA Hard Driv[...]

You can use this feature, for example, to tell the computer to boot from the CD drive so that you can run the Dell Diagnostics on the Drivers and Utilities CD, but you want the computer to boot from the hard drive when the diagnostic tests are complete. You can also use this feature to restart your computer to a USB device such as a floppy drive, m[...]

 Clearing Forgotten Passwords   1. Follow the procedures in " Before You Begin ."  2. Locate the 2 - pin password jumper (PSWD) on the system board, and remove the jumper to clear the password.  CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information[...]

 3. Replace the computer cover .  4. Connect your computer and monitor to electrical outlets, and turn them on.  5. After the Microsoft ® Windows ® desktop appears on your computer, shut down your computer .  6. Turn off the monitor and disconnect it from the electrical outlet.  7. Disconnect the computer power cable from the[...]

2. Reset the current CMOS settings: a.  Locate the password (PSWD) and CMOS (RTC_RST) jumpers on the system board. b.  Remove the password jumper plug from its pins. c.  Place the password jumper plug on the RTC_RST pins and wait approximately 5 seconds. d.  Remove the jumper plug from the RTC_RST pins and place it back on the password [...]

Back to Contents Page  NOTE: For more information on power management, see your operating system documentation.[...]

Back to Contents Page  Battery Dell™OptiPlex™GX620 User's Guide  Replacing the Battery  Replacing the Battery  A coin - cell battery maintains computer configuration, date, and time information. The battery can last several years. The battery may need replacing if an incorrect time or date is displayed during the boot [...]

 1. Install the new system battery. a.  Support the battery connector by pressing down firmly on the positive side of the connector. b.  Hold the battery with the "+" facing up, and slide it under the securing tabs at the positive side of the connector. c.  Press the battery straight down into the connector until it snaps into[...]

Back to Contents Page  Before You Begin Dell™OptiPlex™GX620 User's Guide  Recommended Tools  Turning Off Your Computer  Before Working Inside Your Computer This chapter provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that the followin[...]

 4. If applicable, remove the computer stand (for instructions, see the documentation that came with the stand) and the cable cover , if attached.   5. Remove the computer cover: l  Remove the mini tower computer cover . l  Remove the desktop computer cover . l  Remove the small form factor computer cover . l  Remove the ultra [...]

Back to Contents Page  Chassis Intrusion Switch Dell™OptiPlex™GX620 User's Guide  Removing the Chassis Intrusion Switch  Replacing the Chassis Intrusion Switch  Resetting the Chassis Intrusion Detector   Removing the Chassis Intrusion Switch  1. Follow the procedures in " Before You Begin ." ?[...]

 Small Form Factor Computer  Ultra Small Form Factor Computer  Replacing the Chassis Intrusion Switch[...]

 1. Gently slide the chassis intrusion switch into its slot and reconnect the cable to the system board.  2. Replace the computer cover .  3. Attach the computer stand, if it is used.  Resetting the Chassis Intrusion Detector  1. Turn on (or restart) your computer.  2. WhentheblueDELL™logoappears,press<F2[...]

Back to Contents Page  Cleaning Your Computer Dell™OptiPlex™GX620 User's Guide   Computer, Keyboard, and Monitor  l  Use a vacuum cleaner with a brush attachment to gently remove dust from the slots and holes on your computer and from between the keys on the keyboard. l  To clean your monitor screen, lightly dampen [...]

For stubborn dirt, try using water or a diluted solution of water and mild soap. You can also purchase commercial products that clean discs and provide some protection from dust, fingerprints, and scratches. Cleaning products for CDs are safe to use on DVDs. Back to Contents Page [...]

Back to Contents Page  Replacing the Computer Cover Dell™OptiPlex™GX620 User's Guide   1. Ensure that all cables are connected, and fold cables out of the way. Gently pull the power cables toward you so that they do not get caught underneath the drives.  2. Ensure that no tools or extra parts are left inside the computer.[...]

Dell™OptiPlex™GX620SystemsUser'sGuide    Notes, Notices, and Cautions  Abbreviations and Acronyms For a complete list of abbreviations and acronyms, see the Glossary . IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft ® Windows ® operating sys[...]

Microsoft Corporation; IBM is a registered trademark of International Business Machines Corporation; Bluetooth is a trademark owned by Bluetooth SIG, Inc. and is used by Dell Inc. under license. ENERGY STAR is a registered trademark of the U.S. Environmental Protection Agency. As an ENERGY STAR partner, Dell Inc. has determined that this product me[...]

Back to Contents Page  Finding Information Dell™OptiPlex™GX620 User's Guide NOTE: Some features may not be available for your computer or in certain countries. NOTE: Additional information may ship with your computer.  What Are You Looking For?  Find It Here l  A diagnostic program for my computer l  Drivers for my com[...]

l  How to configure system settings l  How to troubleshoot and solve problems Microsoft ® Windows ® XP Help and Support Center 1.  Click the Start button and click Help and Support . 2.  Click User's and system guides and click User's guides . The User's Guide is also available on the optional Drivers and Utilities CD .[...]

Back to Contents Page [...]

Back to Contents Page  Getting Help Dell™OptiPlex™GX620 User's Guide  Technical Assistance  Problems With Your Order  Product Information  Returning Items for Warranty Repair or Credit  Before You Call  Contacting Dell  Technical Assistance If you need help with a technical problem, Dell is r[...]

support@us.dell.com apsupport@dell.com (Asian/Pacific countries only) support.jp.dell.com (Japan only) support.euro.dell.com (Europe only) l  Electronic Quote Service sales@dell.com apmarketing@dell.com (Asian/Pacific countries only) sales_canada@dell.com (Canada only) l  Electronic Information Service info@dell.com  AutoTech Service Dell&[...]

 5. Pack the equipment to be returned in the original (or equivalent) packing materials. You are responsible for paying shipping expenses. You are also responsible for insuring any product returned, and you assume the risk of loss during shipment to Dell. Collect On Delivery (C.O.D.) packages are not accepted. Returns that are missing any of the[...]

Argentina (Buenos Aires) International Access Code: 00 Country Code: 54 City Code: 11 Website: www.dell.com.ar  E- mail: us_latin_services@dell.com  E- mail for desktop and portable computers: la - techsupport@dell.com  E- mail for servers and EMC ® storage products: la_enterprise@dell.com  Customer Care toll - free:0 - 800 - [...]

International Access Code: 011 Technical Support (med./large bus., government) toll - free:1 - 800 - 387 - 5757 Technical Support (printers, projectors, televisions, handhelds, digital jukebox, and wireless) 1- 877 - 335 - 5767 Sales (Home Sales/Small Business) toll - free:1 - 800 - 387 - 5752 Sales (med./large bus., government) toll - free:?[...]

International Access Code: 990 Country Code: 358 City Code: 9 E- mail: support.euro.dell.com/fi/fi/emaildell/  Technical Support 0925331360 Customer Care 0925331338 Fax 0925331399 Switchboard 0925331300 France (Paris) (Montpellier) International Access Code: 00 Country Code: 33 City Codes: (1) (4) Website: sup[...]

Ireland (Cherrywood) International Access Code: 16 Country Code: 353 City Code: 1 Technical Support for Inspiron XPS computers only 1850 200 722 Technical Support for all other Dell computers 1850543543 U.K. Technical Support (dial within U.K. only) 08709080800 Home User Customer Care 012044014 Small Business Customer Care 0120[...]

Luxembourg International Access Code: 00 Country Code: 352 Technical Support (Brussels, Belgium) 3420808075 Home/Small Business Sales (Brussels, Belgium) toll - free:080016884 Corporate Sales (Brussels, Belgium) 024819100 Customer Care (Brussels, Belgium) 024819119 Fax (Brussels, Belgium) 024819299 Switchboard (Brussel[...]

Poland (Warsaw) International Access Code: 011 Country Code: 48 City Code: 22 E- mail: pl_support_tech@dell.com  Customer Service Phone 5795700 Customer Care 5795999 Sales 5795999 Customer Service Fax 5795806 Reception Desk Fax 5795998 Switchboard 5795999 Portugal International Access Code[...]

Country Code: 46 City Code: 8 Home/Small Business Customer Care 0858770527 Employee Purchase Program (EPP) Support 201401444 Technical Support Fax 0859005594 Sales 0859005185 Switzerland (Geneva) International Access Code: 00 Country Code: 41 City Code: 22 Website: support.euro.dell.com  E- mail: Tech_suppo[...]

Back to Contents Page  International Access Code: 011 Country Code: 1 Employee Purchase Program (EPP) Customers toll - free:1 - 800 - 695 - 8133 Printers and Projectors Technical Support toll - free:1 - 877 - 459 - 7298 Public (government,education,andhealthcare) Customer Service and Technical Support toll - free:1 - 800 [...]

Back to Contents Page  Glossary Dell™OptiPlex™GX620 User's Guide Terms in this Glossary are provided for informational purposes only and may or may not describe features included with your particular computer.  A  AC — alternating current — The form of electricity that powers your computer when you plug the AC adapter po[...]

 bootable disk — A disk that you can use to start your computer. In case your hard drive is damaged or your computer has a virus, ensure that you always have a bootable CD or floppy disk available.  bps — bits per second — The standard unit for measuring data transmission speed.  BTU — British thermal unit — A measurement of heat[...]

system setup or reinstallation. Also referred to as the Product Key or Product ID .  Control Panel —  A Windows utility that allows you to modify operating system and hardware settings, such as display settings.  controller — A chip that controls the transfer of data between the processor and memory or between the processor and devices[...]

 DVD drive — A drive that uses optical technology to read data from DVDs and CDs.  DVD player — The software used to watch DVD movies. The DVD player displays a window with buttons that you use to watch a movie.  DVD+RW — DVD rewritable — A rewritable version of a DVD. Data can be written to a DVD+RW disc, and then erased and writt[...]

 FCC — Federal Communications Commission — A U.S. agency responsible for enforcing communications - related regulations that state how much radiation computers and other electronic equipment can emit.  floppy drive — A disk drive that can read and write to floppy disks.  folder — A term used to describe space on a disk or drive whe[...]

 Hz — hertz — A unit of frequency measurement that equals 1 cycle per second. Computers and electronic devices are often measured in kilohertz (kHz), megahertz (MHz), gigahertz (GHz), or terahertz (THz).  I  IC — Industry Canada — The Canadian regulatory body responsible for regulating emissions from electronic equipment, much as t[...]

 LCD — liquid crystal display — The technology used by portable computer and flat - panel displays.  LED — light - emitting diode — An electronic component that emits light to indicate the status of the computer.  local bus — A data bus that provides a fast throughput for devices to the processor.  LPT — line print terminal [...]

 N  network adapter — A chip that provides network capabilities. A computer may include a network adapter on its system board, or it may contain a PC Card with an adapter on it. A network adapter is also referred to as a NIC (network interface controller).  NIC — See network adapter .  notification area — The section of the Window[...]

 processor — A computer chip that interprets and executes program instructions. Sometimes the processor is referred to as the CPU (central processing unit).  program — Any software that processes data for you, including spreadsheet, word processor, database, and game packages. Programs require an operating system to run.  PS/2 — pers[...]

ScanDisk — A Microsoft utility that checks files, folders, and the hard disk's surface for errors. ScanDisk often runs when you restart the computer after it has stopped responding.  SDRAM — synchronous dynamic random - access memory — A type of DRAM that is synchronized with the optimal clock speed of the processor.  serial connec[...]

system tray — See notification area .  T  TAPI — telephony application programming interface — Enables Windows programs to operate with a wide variety of telephony devices, including voice, data, fax, and video.  text editor — A program used to create and edit files that contain only text; for example, Windows Notepad uses a text e[...]

 W  W — watt — The measurement of electrical power. One W is 1 ampere of current flowing at 1 volt.  WHr — watt - hour — A unit of measure commonly used to indicate the approximate capacity of a battery. For example, a 66 - WHr battery can supply 66 W of power for 1 hour or 33 W for 2 hours.  wallpaper — The background pattern[...]

Back to Contents Page  Memory Dell™OptiPlex™GX620 User's Guide  DDR2 Memory Overview  Addressing Memory With 4 - GB Configurations  Removing Memory  Replacing/Adding Additional Memory For information on the type of memory supported by your computer, see the "Memory" section of the specifications f[...]

 Addressing Memory With 4 - GB Configurations This computer supports a maximum of 4 GB of memory when you use four 1 - GB DIMMs or two 2 - GB DIMMs. Current operating systems, such as Microsoft ® Windows ® XP, can only use a maximum of 4 GB of address space; however, the amount of memory available to the operating system is less than 4 G[...]

 1. Follow the procedures in " Before You Begin ."  2. Press out the securing clip at each end of the memory module connector.  3. Align the notch on the bottom of the module with the crossbar in the connector.  4. Insert the module into the connector until the module snaps into position. If you insert the module correctly, th[...]

The computer should have changed the value of System Memory to reflect the newly installed memory. Verify the new total. If it is correct, skip to step9 .  8. If the memory total is incorrect, turn off and disconnect your computer and devices from their electrical outlets. Open the computer cover and check the installed memory modules to ensu[...]

Back to Contents Page  Mini Tower Computer Dell™OptiPlex™GX620 User's Guide  About Your Mini Tower Computer  Inside Your Computer  About Your Mini Tower Computer  Front View 1 CD/DVD drive Insert a CD or DVD (if applicable) into this drive. 2 floppy drive Insert a floppy disk into this drive. 3 USB 2.0 connectors[...]

 Back View  Back - Panel Connectors To exit from a power - saving mode, press the power button or use the keyboard or the mouse if it is configured as a wake device in the Windows Device Manager. For more information about sleep modes and exiting from a power - saving mode, see " Power Management ." See " Diagnostic Lights &quo[...]

1 parallel connector Connect a parallel device, such as a printer, to the parallel connector. If you have a USB printer, plug it into a USB connector.  NOTE: The integrated parallel connector is automatically disabled if the computer detects an installed card containing a parallel connector configured to the same address. For more information, s[...]

 Inside Your Computer    System Board Components CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide . CAUTION: To avoid electrical shock, always unplug your computer from the electrical outlet before removing the computer cover. NOTICE: Be careful when[...]

 Jumper Settings The jumper locations are shown below. Back to Contents Page  4 memory module connectors (DIMM_1, DIMM_2, DIMM_3, DIMM_4) 15 PCI Express x1 connector (SLOT4) 5 serial ATA drive connectors (SATA0, SATA2, SATA1, SATA3) 16 PCI connector (SLOT2) 6 front - panel connector (FNT_PANEL) 17 PCI connector (SLOT3) 7 CD drive analog audio[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  PCI and PCI Express Cards and Serial Port Adapters  PCI and PCI Express Cards and Serial Port Adapters  YourDell™computersupportsaserialadapterandprovidesthefollowingconnectorsforPCIandPCIExpresscards. l  Two PC[...]

b.  With your free hand, gently squeeze the sides of the card retention mechanism to release it from the tab slots holding it in place. c.  Pivot the card retention mechanism upward to release it from the two tab slots.  4. Set the card retention mechanism aside in your work area.  5. If you are installing a new card, remove the filler [...]

 15. If you installed an network adapter card and want to turn off the integrated network adapter: a.  Enter system setup , select Network Controller , and change the setting to Off . b.  Connect the network cable to the network adapter card's connectors. Do not connect the network cable to the integrated network connector on the back[...]

 8. Gently press down on the card retention mechanism to secure the adapter bracket in place.  9. Close the card retention latch by snapping it into place.  10. Replace the computer cover .  11. Uninstall the card's driver. See the documentation that came with the card for instructions.  12. If you removed a sound card: a.  E[...]

 1. Follow the procedures in " Before You Begin ."  2. Gently push the release tab on the card retention latch from the inside to pivot the latch open. The latch will remain in the open position.  3. Open the card retention mechanism that secures the card in place from the top: a.  Place your thumb on the top of the card reten[...]

 9. Before you replace and lower the card retention mechanism, ensure that: l  The tops of all cards and filler brackets are flush with the alignment bar. l  The notch in the top of the card or filler bracket fits around the alignment guide.  10. Gently press down on the card retention mechanism to secure the adapter bracket in place. ?[...]

 2. Gently push the release tab on the card retention latch from the inside to pivot the latch open. Because the latch is captive, it will remain in the open position.  3. Open the card retention mechanism that secures the card in place from the top: a.  Place your thumb on the top of the card retention mechanism and grip the bottom of the[...]

 2. Gently push the release tab on the card retention latch from the inside to pivot the latch open. The latch will remain in the open position.  3. Open the card retention mechanism that secures the adapter bracket and cards in place from the top: a.  Place your thumb on the top of the card retention mechanism and grip the bottom of the r[...]

 8. Connect the adapter cable to the serial port adapter connector (SER2) on the system board.  9. Connect any cables that should be attached to the serial port adapter.  10. Replace the computer cover .  Removing a Serial Port Adapter  1. Follow the procedures in " Before You Begin ."  2. Gently push the release tab on [...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Removing the Computer Cover  Removing the Computer Cover    1. Follow the procedures in " Before You Begin ."  2. Lay the computer on its side as shown in the illustration.  3. Locate the cover release latch shown in the illustration. Then, slid[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Drives  Drives Your computer supports: l  Two serial ATA hard drives l  Two floppy or optional Zip drives l  Two CD or DVD drives  General Installation Guidelines Connect CD/DVD drives to the connector labeled "IDE" on the system board . Serial ATA[...]

Most interface connectors are keyed for correct insertion; that is, a notch or a missing pin on one connector matches a tab or a filled - in hole on the other connector. Keyed connectors ensure that the pin - 1 wire in the cable (indicated by the colored stripe along one edge of the IDE cable — serial ATA cables do not use a colored stripe) goes [...]

 Removing a Hard Drive  1. If you are replacing a hard drive that contains data you want to keep, back up your files before you begin this procedure.  2. Check the documentation for the drive to verify that it is configured for your computer.  3. Follow the procedures in " Before You Begin ."  4. Disconnect the power and ha[...]

 2. Check the documentation for the drive to verify that it is configured for your computer.  3. Gently slide the hard drive into the hard - drive bracket until it clicks into place.  4. Gently slide the hard drive into the drive bay until it clicks into place.  5. Connect the power and hard - drive cables to the drive. Connect the hard[...]

8. If the drive you just installed is the primary drive, insert a bootable medium into your boot drive. See the documentation that came with the drive for instructions on installing any software required for drive operation.  9. Enter system setup and update the appropriate Primary Drive option ( 0 or 1 ).  10. Exit system setup, and reboot t[...]

 8. Attach the serial ATA connector removed in step5 to the first hard drive.  9. Locate an unused serial ATA connector on the system board and attach a drive cable to this connector and to the second hard drive.  10. Replace the computer cover .  Drive - Panel Inserts If you are installing a new floppy or CD/DVD drive instead of rep[...]

 3. Select the drive - panel insert in front of the drive bay that you want to use.  4. Gently press the release tab of the insert to remove it from the drive panel.  5. Reattach the drive panel to the front of the computer. The drive panel only fits one way.  1 drive panel 2 release tab 3 drive - panel insert 1 CD/DVD - drive panel ins[...]

Floppy Drive    Removing the Floppy Drive  1. Follow the procedures in " Before You Begin ."  2. Remove the drive panel by sliding the drive release latch downward to open the panel, and then remove it from the hinges.  3. Disconnect the power and floppy - drive cables from the back of the floppy drive.  4. Remove the[...]

 4. Attach the power and floppy - drive cables to the floppy drive.  5. Replace the computer cover .  6. Enter system setup and use the Diskette Drive option to enable your new floppy drive.  7. Verify that your computer works correctly by running the Dell Diagnostics .  CD/DVD Drive    Removing a CD/DVD Drive  1. Follow [...]

 2. Disconnect the power and CD/DVD drive cables from the back of the drive.  3. Remove the CD/DVD drive by sliding and holding the drive release latch downward. Then slide the drive out of the computer.  Installing a CD/DVD Drive  1. Follow the procedures in " Before You Begin ."  2. If you are replacing a CD/DVD drive, re[...]

 6. Connect the power and CD/DVD drive cables to the drive and to the system board.  7. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.  8. Replace the computer cover .  9. Update your configuration information in system setup by setting the appropriate Drive option ( 0 or 1 [...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  I/O Panel  I/O Panel  Removing the I/O Panel    1. Follow the procedures in " Before You Begin ."  2. Remove the screw that secures the I/O panel. Press on the release button and pull on the loop to slide the card away from the computer.  3. [...]

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Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Processor  Processor   Removing the Processor  1. Follow the procedures in " Before You Begin ."  2. Loosen the captive screw on each side of the heat sink assembly.   3. Rotate the heat sink assembly upward, and remove it from the computer. [...]

 5. Gently remove the processor from the socket. Leave the release lever extended in the release position so that the socket is ready for the new processor.  Installing the Processor  1. Follow the procedures in " Before You Begin ."  2. Unpack the new processor, being careful not to touch the underside of the processor.  3[...]

 6. Set the processor lightly in the socket and ensure that the processor is positioned correctly.  7. When the processor is fully seated in the socket, close the processor cover. Ensure that the tab on the processor cover is positioned underneath the center cover latch on the socket.  8. Pivot the socket release lever back toward the sock[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Power Supply  Power Supply  Replacing the Power Supply   1. Follow the procedures in " Before You Begin ."  2. Disconnect the DC power cables from the system board and the drives. Note the routing of the DC power cables underneath the tabs in the c[...]

 9. Reconnect the DC power cables to the power supply.  10. Connect the AC power cable to the AC power connector.  11. Replace the computer cover .  DC Power Connectors  DC Power Connector P1  Pin Number  Signal name  18 - AWG Wire 1 +3.3 VDC Orange 2 +3.3 VDC Orange 3 GND Black 4 VCC (+5 V) Red 5 GND Black 6 VCC (+5 V) Red [...]

 DC Power Connector P2  DC Power Connectors P3 and P5  DC Power Connector P4  DC Power Connector P7 18 GND Black 19 GND Black 20 NC N/C 21 VCC (+5 V) Red 22 VCC (+5 V) Red 23 VCC (+5 V) Red 24 GND Black *Use 22 - AWG wire instead of 18 - AWG wire.  Pin Number  Signal Name  18 - AWG Wire 1 COM Black 2 COM Black 3 +12 VDC Yellow [...]

 DC Power Connectors P8 and P9 Back to Contents Page   Pin Number  Signal Name  22 - AWG Wire 1 +5 VCD Red 2 COM Black 3 COM Black 4 +12 VDC Yellow  Pin Number  Signal name  18 - AWG Wire 1 +12 VDC Yellow 2 COM Black 3 COM Black 4 +5 VDC Red[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Mini Tower Computer Specifications  Mini Tower Computer Specifications  Microprocessor Microprocessor type Intel ® Pentium ® or Celeron ® processor Level 1 (L1) cache 32 KB Level 2 (L2) cache 512 - KB, 1 - MB, or 2 - MB pipelined - burst, eight - way set ass[...]

Drives four serial ATA controllers supporting one device each and one parallel Ultra ATA/100 IDE supporting two devices per channel with one channel  Expansion Bus Bus type PCI 2.3 SATA 1.0a and 2.0 USB 2.0 PCI Express 1.0a Bus speed PCI: 33 MHz SATA: 1.5 Gbps and 3.0 Gbps USB: 480 Mbps PCI Express x1: 5 Gbps PCI Express x16: 80 Gbps Cards: full[...]

environment specified by the remote boot environment (PXE) rather than from one of the devices in the system setup Boot Sequence option (during start - up only) <F12> or <Ctrl><Alt><F8> displays a boot device menu that allows the user to enter a device for a single boot (during start - up only) as well as options to run hard[...]

Back to Contents Page [...]

Back to Contents Page  FCC Notices (U.S. Only) Dell™OptiPlex™GX620 User's Guide Electromagnetic Interference (EMI) is any signal or emission, radiated in free space or conducted along power or signal leads, that endangers the functioning of a radio navigation or other safety service or seriously degrades, obstructs, or repeatedly [...]

l  Reorient or relocate the receiving antenna. l  Increase the separation between the equipment and the receiver. l  Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. l  Consult the dealer or an experienced radio/television technician for help.  FCC Identification Information Th[...]

Back to Contents Page  Reinstalling Drivers and the Operating System Dell™OptiPlex™GX620 User's Guide  Drivers  Using Microsoft ® Windows ® XP System Restore  Reinstalling Microsoft Windows XP   Drivers  What Is a Driver? A driver is a program that controls a device such as a printer, mouse, or k[...]

installed version.  1. Click the Start button and click Control Panel .  2. Under Pick a Category , click Performance and Maintenance .  3. Click System .  4. In the System Properties window, click the Hardware tab.  5. Click Device Manager .  6. Right - click the device for which the new driver was installed and click Properties [...]

Restoring the Computer to an Earlier Operating State  1. Click the Start button, point to All Programs ® Accessories ® System Tools , and then click System Restore .  2. Ensure that Restore my computer to an earlier time is selected and click Next .  3. Click a calendar date to which you want to restore your computer. The Select a Restor[...]

If you are considering reinstalling the Windows XP operating system to correct a problem with a newly installed driver, first try using Windows XP Device Driver Rollback . If Device Driver Rollback does not resolve the problem, then use System Restore to return your operating system to the operating state it was in before you installed the new devi[...]

 9. If the Modem Dialing Information screen appears, enter the requested information and click Next .  10. Enter the date, time, and time zone in the Date and Time Settings window, and click Next .  11. If the Networking Settings screen appears, click Typical and click Next .  12. If you are reinstalling Windows XP Professional and you [...]

Back to Contents Page  Replacing the System Board Dell™OptiPlex™GX620 User's Guide  Removing the System Board: Mini Tower, Desktop, and Small Form Factor Computers  1. Shut down the computer through the Start menu.  2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did[...]

 Desktop System Board Screws  Small Form Factor System Board Screws 1 mini tower system board 2 screws (10) 1 desktop system board 2 screws (10)[...]

Place the system board assembly that you just removed next to the replacement system board to ensure it is identical.  Replacing the System Board: Mini Tower, Desktop, and Small Form Factor Computers  1. Gently align the board into the chassis and slide it toward the back of the computer.  2. Replace the screws on the system board.  3. [...]

Back to Contents Page  Desktop Computer Dell™OptiPlex™GX620 User's Guide  About Your Desktop Computer  Inside Your Computer  About Your Desktop Computer  Front View 1 USB 2.0 connectors (2) Use the front USB connectors for devices that you connect occasionally, such as joysticks or cameras, or for bootable USB de[...]

 Back View  Back - Panel Connectors 10 floppy drive Insert a floppy disk into this drive. 11 CD/DVD drive Insert a CD or DVD (if applicable) into this drive. 1 card slots Access connectors for any installed PCI and PCI Express cards. 2 back - panel connectors Plug serial, USB, and other devices into the appropriate connector. 3 power connecto[...]

 Inside Your Computer   NOTE: Do not plug a telephone cable into the network connector. On computers with a network connector card, use the connector on the card. It is recommended that you use Category 5 wiring and connectors for your network. If you must use Category 3 wiring, force the network speed to 10 Mbps to ensure reliable operati[...]

 System Board Components  Jumper Settings The jumper locations are shown below. 4 system board   1 fan connector (FAN) 12 password jumper (PSWD) 2 processor connector (CPU) 13 battery socket (BATT) 3 power connector (12VPOWER) 14 PCI Express x16 connector (SLOT1) 4 memory module connectors (DIMM_1, DIMM_2, DIMM_3, DIMM_4) 15 PCI connect[...]

Back to Contents Page  PSWD Password features are enabled (default). Password features are disabled. RTCRST Real - time clock has not been reset (default).  Resetting Real - time clock (jumpered temporarily).  jumpered  unjumpered[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  PCI and PCI Express Cards and Serial Port Adapters  PCI and PCI Express Cards and Serial Port Adapters  YourDell™computersupportsaserialportadapterandprovidesthefollowingslotsforPCIandPCIExpresscards: l  Two [...]

  6. Place the card in the connector and press down firmly. Ensure that the card is fully seated in the slot.  7. Gently press down on the card retention latch to secure the card.  8. Connect any cables that should be attached to the card.  9. If you installed a sound card: a.  Enter system setup , select Audio Controller , and ch[...]

 5. If you are removing the card permanently, install a filler bracket in the empty card - slot opening. If you need a filler bracket, contact Dell .  6. Snap the card retention latch into place.  7. Replace the computer cover .  8. Uninstall the card's driver. See the documentation that came with the card for instructions.  9. [...]

 4. If you are installing a new card, remove the filler bracket to create an empty card - slot opening. If you are replacing a card that is already installed in the computer, remove the card. If necessary, disconnect any cables connected to the card. Grasp the card by its corners, and ease it out of its connector.  5. Prepare the new card for[...]

 10. Reconnect any cables that you removed in step 3 .  11. Connect any cables that should be attached to the card.  12. Replace the computer cover .  13. If you installed a sound card, perform the following steps: a.  Enter system setup , select Audio Controller , and change the setting to Off . b.  Connect external audio devices[...]

 3. Press in on the tab to raise the card retention latch.  4. If necessary, disconnect any cables connected to the card.  5. Grasp the card by its top corners, and ease it out of its connector.  6. If you are removing the card permanently, install a filler bracket in the empty card - slot opening. If you need a filler bracket, contact [...]

 12. If you removed an network adapter card: a.  Enter system setup , select Network Controller , and change the setting to On . b.  Connect the network cable to the integrated network connector on the back panel of the computer.  PCI Express Cards Your computer supports one low - profile PCI Express x16 card. If you are installing or r[...]

 6. Release the card lever, ensuring that the securing tab fits into the notch on the front end of the card.  7. Secure the card by lowering the latch on the back panel.  8. Replace the computer cover .  9. If you installed a sound card: a.  Enter system setup , select Audio Controller , and change the setting to Off . b.  Connect[...]

 5. If you are removing the card permanently, install a filler bracket in the empty card - slot opening. If you need a filler bracket, contact Dell .  6. Lower the card retention latch and press it into place.  7. Replace the computer cover .  8. Uninstall the card's driver. See the documentation that came with the card for instruc[...]

 6. Connect the adapter cable to the serial port adapter connector (SER2) on the system board .  7. Connect any cables that should be attached to the serial port adapter.  8. Replace the computer cover .  Removing a Serial Port Adapter  1. Follow the procedures in " Before You Begin ."  2. Gently push the release tab on [...]

 3. If you are installing a new serial port adapter, remove the filler bracket to create an empty card - slot opening. If you are replacing an adapter that is already installed in the computer, remove the adapter. If necessary, disconnect any cables connected to the adapter. Grasp the serial port adapter by its top corners, and ease it out of it[...]

 3. Press the tab to raise the riser - card retention latch.  4. Disconnect the cable that attaches the adapter to the system board connector (SER2).  5. Grasp the serial port adapter by its corners, and ease it out of its slot.  6. If you are removing the adapter permanently, install a filler bracket in the empty card - slot opening. ?[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Removing the Computer Cover  Removing the Computer Cover    1. Follow the procedures in " Before You Begin ."  2. If you have installed a padlock through the padlock ring on the back panel, remove the padlock.  3. Locate the cover release latch [...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Drives  Drives Your computer supports: l  One serial ATA hard drive l  One optional ATA hard drive l  One optional floppy drive l  One optional CD or DVD drive  General Installation Guidelines Connect CD/DVD drives to the connector labeled "IDE"[...]

Most interface connectors are keyed for correct insertion; that is, a notch or a missing pin on one connector matches a tab or a filled - in hole on the other connector. Keyed connectors ensure that the pin - 1 wire in the cable (indicated by the colored stripe along one edge of the IDE cable — serial ATA cables do not use a colored stripe) goes [...]

 3. Disconnect the power and CD/DVD drive cables from the back of the drive.  Installing a CD/DVD Drive  1. Unpack the drive and prepare it for installation. Check the documentation that accompanied the drive to verify that the drive is configured for your computer. If you are installing an IDE drive, configure the drive for the cable sele[...]

 6. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.  7. Replace the computer cover .  8. Update your configuration information by setting the appropriate Drive option ( 0 or 1 ) under Drives . See " System Setup " for more information.  9. Verify that your computer [...]

 4. Disconnect the power and floppy - drive cables from the back of the floppy drive.  Installing a Floppy Drive  1. If you are installing a new drive: a.  Use a small flat - edge screw driver on the back side of the drive - panel insert to gently pop off the insert. b.  Remove the four shoulder screws from the drive - panel insert. [...]

 6. Replace the CD/DVD drive .  7. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.  8. Replace the computer cover .  9. Enter system setup and set the Diskette Drive option to enable your new floppy drive.  10. Verify that your computer works correctly by running the Dell [...]

 Installing a Hard Drive  1. Check the documentation for the drive to verify that it is configured for your computer.  2. Unpack the replacement hard drive, and prepare it for installation.  3. If your replacement hard drive does not have the plastic hard - drive bracket attached, remove the bracket from the existing drive by unsnapping[...]

 7. Replace the floppy drive and CD/DVD drive.  8. Check all connectors to be certain that they are properly cabled and firmly seated.  9. Replace the computer cover .  10. If the drive you just installed is the primary drive, insert a bootable medium into your boot drive.  11. Turn on the computer.  12. Enter system setup and upd[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  I/O Panel  I/O Panel  Removing the I/O Panel    1. Follow the procedures in " Before You Begin ."  2. Remove the cable from the I/O panel by pulling on the pull - loop.  3. Remove the screw that secures the I/O panel to the desktop computer. [...]

[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Processor  Processor   Removing the Processor  1. Follow the procedures in " Before You Begin ."  2. Loosen the captive screw on each side of the heat sink assembly.   3. Rotate the heat sink assembly upward, and remove the assembly from the [...]

 5. Gently remove the processor from the socket. Leave the release lever extended in the release position so that the socket is ready for the new processor.  Installing the Processor  1. Follow the procedures in " Before You Begin ."  2. Unpack the new processor, being careful not to touch the underside of the processor.  3[...]

 6. Set the processor lightly in the socket and ensure that the processor is positioned correctly.  7. When the processor is fully seated in the socket, close the processor cover. Ensure that the tab on the processor cover is positioned underneath the center cover latch on the socket.  8. Pivot the socket release lever back toward the sock[...]

 10. Replace the computer cover . Back to Contents Page  3 captive screw housing (2)[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Power Supply  Power Supply  Replacing the Power Supply   1. Follow the procedures in " Before You Begin ."  2. Disconnect the DC power cables from the system board and the drives. Note the routing of the DC power cables underneath the tabs in the c[...]

 11. Replace the CD/DVD drive.  12. Connect the AC power cable to the connector.  13. Replace the computer cover .  DC Power Connectors  DC Power Connector P1  Pin Number  Signal name  18 - AWG Wire 1 +3.3 VDC Orange 2 +3.3 VDC Orange 3 GND Black 4 VCC (+5 V) Red 5 GND Black 6 VCC (+5 V) Red 7 GND Black 8 PS_PWRGOOD Gray 9 P[...]

 DC Power Connector P2  DC Power Connector P3   DC Power Connector P4  DC Power Connector P5 and P6 22 VCC (+5V) Red 23 VCC (+5V) Red 24 GND Black *Use 22 - AWG wire instead of 18 - AWG wire.  Pin Number  Signal Name  18 - AWG Wire 1 COM Black 2 COM Black 3 +12 VDC Yellow 4 +12 VDC Yellow  Pin Number  Signal name  1[...]

Back to Contents Page  Pin Number Signal name 18 - AWG Wire 1 +3.3 VDC Orange 2 COM Black 3 +5 VDC Red 4 COM Black 5 +12 VDC Yellow[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Desktop Computer Specifications  Desktop Computer Specifications  Microprocessor Microprocessor type Intel ® Pentium ® or Celeron ® processor Level 1 (L1) cache 32 KB Level 2 (L2) cache 512 - KB, 1 - MB, or 2 - MB pipelined - burst, eight - way set associati[...]

Drives two serial ATA controllers supporting one device each and one parallel Ultra ATA/100 IDE supporting two devices per channel with one channel  Expansion Bus Bus type PCI 2.3 SATA 1.0a and 2.0 USB 2.0 PCI Express 1.0a Bus speed PCI: 33 MHz SATA:1.5Gbpsand3.0Gbps USB: 480 Mbps PCI Express x1: 5 Gbps PCI Express x16: 80 Gbps Ca[...]

Video 15 - hole VGA connector Network adapter RJ45 connector Optional PS/2 with secondary serial port adapter two 6 - pin mini - DINs USB two front - panel and six back - panel USB 2.0 – compliant connectors Audio three connectors for line - in, line - out, and microphone; two front - panel connectors for headphones and microphone System board co[...]

Back to Contents Page  Physical Height 11.4 cm (4.5 inches) Width 39.9 cm (15.7 inches) Depth 35.3 cm (13.9 inches) Weight 10.4 kg (23 lb)  Environmental Temperature: Operating 10°to35°C(50°to95°F) Storage – 40°to65°C( – 40°to149°F) Relative humidity 20% to 80% (noncondensing) Maximum vibration: Opera[...]

Back to Contents Page  Small Form Factor Computer Dell™OptiPlex™GX620User'sGuide  About Your Small Form Factor Computer  Inside Your Computer  About Your Small Form Factor Computer  Front View 1 USB 2.0 connectors (2) Use the front USB connectors for devices that you connect occasionally, such as joystic[...]

 Back View  Back - Panel Connectors 11 CD/DVD drive Insert a CD or DVD (if applicable) into this drive. 1 card slots Access connectors for any installed PCI and PCI Express cards. 2 back - panel connectors Plug serial, USB, and other devices into the appropriate connector. 3 power connector Insert the power cable. 4 voltage selection switch Y[...]

 Inside Your Computer   NOTE: Do not plug a telephone cable into the network connector. On computers with a network connector card, use the connector on the card. It is recommended that you use Category 5 wiring and connectors for your network. If you must use Category 3 wiring, force the network speed to 10 Mbps to ensure reliable operati[...]

 System Board Components  Jumper Settings The jumper locations are shown below. 1 drive release latch 4 hard drive 2 CD/DVD drive 5 system board 3 power supply and fan 6 heat sink and blower assembly 1 fan connector (FAN) 10 intrusion switch connector (INTRUDER) 2 processor connector (CPU) 11 password jumper (PSWD) 3 power connector (12VPOWER[...]

Back to Contents Page  Jumper Setting Description PSWD (default) Password features are enabled.  Password features are disabled.  RTCRST (default) The real - time clock has not been reset.  The real - time clock is being reset (jumpered temporarily).  jumpered  unjumpered[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  PCI and PCI Express Cards and Serial Port Adapters  PCI and PCI Express Cards and Serial Port Adapters  YourDell™computersupportsaserialadapterandprovidesthefollowingconnectorsforPCIExpresscards. l  One PCI Express x1[...]

computer.   7. If you are installing the card into the x16 card connector, position the card so the securing slot is aligned with the securing tab, and gently pull the securing tab.  8. Place the card in the connector and press down firmly. Ensure that the card is fully seated in the slot.  9. If applicable, before replacing the card re[...]

See the documentation for the card for information about the card's cable connections.  12. Replace the computer cover .  13. If you installed a sound card: a.  Enter System Setup , select Audio Controller , and change the setting to Off . b.  Connect external audio devices to the sound card's connectors. Do not connect extern[...]

 4. Place the serial - port adapter bracket in the connector and press down firmly. Ensure that the adapter is fully seated in the slot.  5. Gently press down on the retention lever to secure the adapter bracket in place.  6. Connect the adapter cable to the serial port adapter connector (SER2) on the system board.  7. Connect any cable[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Removing the Computer Cover  Removing the Computer Cover    1. Follow the procedures in " Before You Begin ."  2. If you have installed a padlock through the padlock ring on the back panel, remove the padlock.  3. Locate the cover release latch [...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Drives  Drives Your computer supports: l  One serial ATA drive l  One FlexBay drive (floppy drive or Media Card Reader) l  One CD or DVD drive  General Installation Guidelines Connect CD/DVD drives to the connector labeled "IDE" on the system board[...]

is usually indicated by a silk - screened "1" printed directly on the board or card.  Power Cable Connectors  Connecting and Disconnecting Drive Cables When connecting and disconnecting a serial ATA data cable, hold the cable by the black connector at each end. Serial ATA interface connectors are keyed for correct insertion; that is[...]

 5. Lift the drive out of the computer and disconnect the power and hard - drive cables from the drive.  6. Disconnect the power and hard - drive cable from the drive.  Installing a Hard Drive  1. Check the documentation for the drive to verify that it is configured for your computer.  2. Unpack the replacement hard drive, and prepar[...]

 4. Connect the power and hard - drive cables to the drive.  5. Check all connectors to be certain that they are properly cabled and firmly seated.  6. Gently position the drive until it clicks into place.  7. Check all connectors to be certain that they are properly cabled and firmly seated.  8. Replace the computer cover .  1 dr[...]

9. If the drive you just installed is the primary drive, insert a bootable medium into your boot drive.  10. Turn on the computer.  11. E nter system setup and update the appropriate Primary Drive option ( 0 or 2 ).  12. Exit system setup, and reboot the computer.  13. Partition and logically format your drive before you proceed to the [...]

 6. Remove the two screws from the side of drive and remove the drive bracket. Then disconnect the CD/DVD drive cable from the back of the drive.  Installing a CD/DVD Drive  1. Unpack the drive and prepare it for installation. Check the documentation that accompanied the drive to verify that the drive is configured for your computer. Confi[...]

 5. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.  6. Replace the computer cover .  7. See the documentation that came with the drive for instructions on installing any software required for drive operation.  8. Enter system setup and select the appropriate Drive option. ?[...]

 7. Pull up on the drive release latch and slide the floppy drive towards the back of the computer. Then lift up to remove the drive from the computer.  Installing a Floppy Drive  1. Remove the floppy drive .  2. Align the screws on the drive with the bracket rails in the computer, and gently position the drive until it clicks into plac[...]

 5. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.  6. Replace the CD/DVD drive .  7. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.  8. Replace the computer cover .  9. Enter and use the Diskette Drive option[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  I/O Panel  I/O Panel  Removing the I/O Panel    1. Follow the procedures in "Before You Begin."  2. Remove the system board .  3. Disconnect all cables that are connected to the I/O panel. Note the routing of the control panel cables as you r[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Processor  Processor   Removing the Processor  1. Follow the procedures in " Before You Begin ."  2. Loosen the captive screw on each side of the heat sink assembly.   3. Rotate the heat sink assembly upward, and remove the assembly from the [...]

 5. Gently remove the processor from the socket. Leave the release lever extended in the release position so that the socket is ready for the new processor.  Installing the Processor  1. Follow the procedures in " Before You Begin ."  2. Unpack the new processor, being careful not to touch the underside of the processor.  3[...]

 6. Set the processor lightly in the socket and ensure that the processor is positioned correctly.  7. When the processor is fully seated in the socket, close the processor cover. Ensure that the tab on the processor cover is positioned underneath the center cover latch on the socket.  8. Pivot the socket release lever back toward the sock[...]

 10. Replace the computer cover . Back to Contents Page  3 captive screw in housing (2)[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Small Form Factor Computer Specifications  Small Form Factor Computer Specifications  Microprocessor Microprocessor type Intel ® Pentium ® or Celeron ® processor Level 1 (L1) cache 32 KB Level 2 (L2) cache 512 - KB, 1 - MB, or 2 - MB pipelined - burst, ei[...]

Drives one serial ATA controller supporting one device and one parallel Ultra ATA/100 IDE supporting two devices per channel with one channel  Expansion Bus Bus type PCI 2.2 SATA 1.0a and 2.0 USB 2.0 PCI Express 1.0a Bus speed PCI: 33 MHz SATA: 1.5 and 3.0 Gbps USB: 480 Mbps PCI Express x16: 80 Gbps Cards: low - profile cards supported PCI: conn[...]

Back to Contents Page  up only) as well as options to run hard - drive and system diagnostics  Controls and Lights Power control push button Power light green light — Blinking green indicates sleep mode; solid green indicates power - on state. amber light — Blinking amber indicates a problem with an installed device; solid amber indicates[...]

Dell™OptiPlex™GX620SystemsUser'sGuide    Notes, Notices, and Cautions  Abbreviations and Acronyms For a complete list of abbreviations and acronyms, see the Glossary . IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft ® Windows ® operating sys[...]

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own. Model DCSM August 2006 N8071 Rev. A02[...]

Back to Contents Page  Solving Problems Dell™OptiPlex™GX620 User's Guide  Battery Problems Fill out the Diagnostics Checklist before you complete these checks.    Drive Problems  Fill out the Diagnostics Checklist as you complete these checks.  CD and DVD drive problems  Battery Problems  Drive Proble[...]

 Problems writing to a CD/DVD - RW drive  Hard drive problems  Keyboard Problems   Lockups and Software Problems  l  Click the speaker icon in the lower - right corner of your screen. l  Ensure that the volume is turned up by clicking the slidebar and dragging it up. l  Ensure that the sound is not muted by clicking any b[...]

 The computer does not start up  The computer stops responding  A program stops responding  A program crashes repeatedly  A solid blue screen appears  Other software problems NOTE: If you installed a unique image on your computer or if you had to reinstall your operating system, run the DSS utility. DSS is available on your Driver[...]

 Memory Problems Fill out the Diagnostics Checklist as you complete these checks.   Mouse Problems   Back up your files immediately  Use a virus - scanning program to check the hard drive, floppy disks, or CDs  Save and close any open files or programs and shut down your computer through the Start menu  Run the Dell Diagnost[...]

 Network Problems Fill out the Diagnostics Checklist as you complete these checks.   Power Problems Fill out the Diagnostics Checklist as you complete these checks.  1.  Enter system setup and ensure that the Mouse Port option is set to On . 2.  Exit system setup and restart the computer.  Reinstall the mouse driver  Run the[...]

 Printer Problems Fill out the Diagnostics Checklist as you complete these checks.   Restoring Default Settings Ifthepowerlightisblinkingamber —  The computer is receiving electrical power, but an internal power problem might exist. l  Ensure that the voltage selection switch is set to match the AC power at [...]

 Serial or Parallel Device Problems Fill out the Diagnostics Checklist as you complete these checks.   Sound and Speaker Problems Fill out the Diagnostics Checklist as you complete these checks.   No sound from speakers CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Prod[...]

 No sound from headphones  Video and Monitor Problems Fill out the Diagnostics Checklist as you complete these checks.   If the screen is blank  If the screen is difficult to read  Run the Dell Diagnostics  Check for software and hardware conflicts  Checktheheadphonecableconnection —  Ensure that the h[...]

Back to Contents Page   Checkthemonitorsettings —  See the monitor documentation for instructions on adjusting the contrast and brightness, demagnetizing (degaussing) the monitor, and running the monitor self - test.  Movethesubwooferawayfromthemonitor —  Ifyourspeakersysteminclu[...]

Dell™OptiPlex™GX620SystemsUser'sGuide    Notes, Notices, and Cautions  Abbreviations and Acronyms For a complete list of abbreviations and acronyms, see the Glossary . IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft ® Windows ® operating sys[...]

meets the ENERGY STAR guidelines for energy efficiency. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own. Model DCTR August 2006 N8071 Rev. A02[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide For a complete list of abbreviations and acronyms, see the Glossary . IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft ® Windows ® operating systems are not applicable. Information in this document is subject[...]

Back to Contents Page  Troubleshooting Tools and Utilities Dell™OptiPlex™GX620 User's Guide  Dell Diagnostics  System Lights  Diagnostic Lights  Beep Codes  Error Messages  Resolving Software and Hardware Incompatibilities  Dell Diagnostics   When to Use the Dell Diagnostics If you expe[...]

5. Select the Boot from CD - ROM option from the menu that appears.  6. Type 1 to start the Drivers and Utilities CD menu.  7. Type 2 to start the Dell Diagnostics.  8. Select Run the 32 Bit Dell Diagnostics from the numbered list. If multiple versions are listed, select the version appropriate for your computer.  9. When the Dell Diagn[...]

 Diagnostic Lights  To help you troubleshoot a problem, your computer has four lights labeled "1," "2," "3," and "4"on the front or back panel. The lights can be off or green. When the computer starts normally, the patterns or codes on the lights change as the boot process completes. When the computer s[...]

 Beep Codes Your computer might emit a series of beeps during start - up if the monitor cannot display errors or problems. This series of beeps, called a beep code, identifies a problem. One possible beep code (code 1 - 3 - 1) consists of one beep, a burst of three beeps, and then one beep. This beep code tells you that the computer encountered [...]

 Error Messages Fill out the Diagnostics Checklist as you complete these checks.  If the message is not listed, see the documentation for the operating system or the program that was running when the message appeared. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Informa[...]

 Hard - diskdrivefailure —  See " Drive Problems ."  Insertbootablemedia —  Insert a bootable floppy disk or CD.  Invalid configuration information - pleaserunSETUPprogram —  Enter system setup and correct the computer configuration information.  Keyboardfailure[...]

 Resolving Software and Hardware Incompatibilities If a device is either not detected during the operating system setup or is detected but incorrectly configured, you can use Device Manager or the Hardware Troubleshooter to resolve the incompatibility.  Microsoft ® Windows ® XP To resolve incompatibilities using Device Manager:  3.  I[...]

1. Click the Start button and click Control Panel .  2. Click Performance and Maintenance and click System .  3. Click the Hardware tab and click Device Manager .  4. In the Device Manager list, check for devices that are incorrectly configured. Incorrectly configured devices are indicated by a yellow exclamation point ( ! ) or a red X if [...]

Dell™OptiPlex™GX620SystemsUser'sGuide    Notes, Notices, and Cautions  Abbreviations and Acronyms For a complete list of abbreviations and acronyms, see the Glossary . IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft ® Windows ® operating sys[...]

Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own. Model DCCY August 2006 N8071 Rev. A02[...]

Back to Contents Page  Ultra Small Form Factor Computer Dell™OptiPlex™GX620 User's Guide  About Your Ultra Small Form Factor Computer  Inside Your Computer  Connecting the Power Adapter  Badge  About Your Ultra Small Form Factor Computer  Front View  Side View NOTICE: When setting up your computer,[...]

 Back View  Back - Panel Connectors 1 vents The vents, which are on each side of the computer, allow air to flow through your computer. To ensure proper ventilation, do not block these cooling vents. 1 diagnostic lights See " Diagnostic Lights " for a description of light codes that can help you troubleshoot problems with your compu[...]

 Connecting a VGA Monitor If you have a VGA monitor, plug the adapter cable into the white DVI display connector and connect the monitor cable to the adapter.  Connecting Two Monitors Use the cable adapter to connect a VGA monitor and a DVI monitor to the DVI - I connector on the back panel. When you connect two monitors, the driver will dete[...]

 System Board Components  Jumper Settings The jumper locations are shown below. 1 heat sink assembly 4 hard drive 2 speaker (optional) 5 security cable slot 3 memory modules (2) 6 chassis intrusion switch 1 fan connector (FAN_FRONT) 8 battery 2 internal speaker connector (INT_SPKR) 9 clear CMOS jumper (RTCRST) 3 system board speaker (BEEP) 10[...]

 Cable Cover (Optional)  Attaching the Cable Cover  1. Ensure that all external device cables are threaded through the hole in the cable cover.  2. Connect all device cables to the connectors on the back of the computer.  3. Hold the bottom piece of the cable cover and align the four tabs with the four slots on the computer's ba[...]

 1. If a security device is installed in the security cable slot, remove the device.  2. Press on the release button, grasp the cable cover, and slide the cover to the left until it stops, and then lift the cable cover up and away.  Connecting the Power Adapter   1. Connect the external power adapter to the connector on the back of t[...]

l  green light — solid green indicates the power adapter is connected to an AC outlet and the computer. l  amber light — solid amber indicates the power adapter is connected to an AC outlet but not the computer. The computer will not operate in this condition. Connect the power adapter to the USFF system and/or reset the power adapter by [...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Removing the Computer Cover  Removing the Computer Cover   1. Follow the procedures in " Before You Begin ."  2. If applicable, remove the cable cover .  3. Remove the computer cover: a.  Rotate the cover release knob in a clockwise direction, a[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Drives  Drives Your computer supports: l  One serial ATA hard drive l  One optional D - module CD/DVD drive, second hard drive, or floppy drive in the module bay  General Installation Guidelines Serial ATA hard drives should be connected to the connector labele[...]

 Connecting and Disconnecting Drive Cables When removing an IDE drive data cable, grasp the colored pull - tab and pull until the connector detaches. When connecting and disconnecting a serial ATA data cable, hold the cable by the black connector at each end. Like IDE connectors, the serial ATA interface connectors are keyed for correct insertio[...]

 6. Remove the data and power cables from the drive connectors.  7. Remove the drive rails from the existing hard drive, and attach the drive rails to the replacement hard drive.  8. Attach the data and power cables to the hard drive connectors, ensuring that the connectors are properly oriented before connecting them.  9. Slide the har[...]

15. Install your operating system on the hard drive. For instructions, see the documentation that came with your operating system. Back to Contents Page [...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Module Bay  Module Bay  You can install a Dell ™ portable device such as a floppy drive, CD/DVD drive, or second hard drive in the module bay. Your Dell computer ships with either a CD/DVD drive or an airbay (filler blank) installed in the module bay. You can secur[...]

 4. Pull the device by the latch release to remove the device from the module bay.  5. Slide the new device into the module bay.  6. If desired, you may lock the new device in the module bay by moving the module locking switch to the locked position.  7. If you removed the cover to lock the device in the module bay, replace the computer[...]

c.  Replace the computer cover . The module cannot be removed from the computer until the module locking switch is unlocked by pulling it up into its original position.  2. You may also secure a device in the module bay by using a device screw (packaged separately). Back to Contents Page  1 bottom of computer 2 device locking screw[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Processor  Processor    1. Follow the procedures in " Before You Begin ."  2. Remove the fan shroud by lifting the fan shroud up and away from the computer.   3. Remove the heat sink. a.  Remove the memory module (see " Replacing/Addi[...]

c.  Gently lift the heat sink from the processor.  4. Pull the release lever straight up until the processor is released, and then remove the processor from the socket.  5. Unpack the new processor, being careful not to touch the underside of the processor.  6. If the release lever on the socket is not fully extended, move it to that po[...]

If you are installing a processor replacement kit from Dell, return the processor to Dell in the same package in which your replacement kit was sent.  11. Place one end of the heat sink under the tab on the retention base on the side opposite the release lever (see the following illustration). Lower the heat sink onto the processor so that the h[...]

Back to Contents Page Dell™OptiPlex™GX620 User's Guide  Ultra Small Form Factor Computer Specifications  Ultra Small Form Factor Computer Specifications  Microprocessor Microprocessor type Intel ® Pentium ® or Celeron ® processor Level 1 (L1) cache 32 KB Level 2 (L2) cache 512 - KB, 1 - MB, or 2 - MB pipelined - bur[...]

Drives one serial ATA controller supporting one device  Expansion Bus Bus type SATA 1.0a and 2.0; USB 2.0 Bus speed SATA: 1.5 and 3.0 Gbps; USB: 480 Mbps  Drives Externally accessible one D - module bay for a CD/DVD drive, second hard drive, or floppy drive Internally accessible one bay for a 1 - inch - high hard drive  Connectors External[...]

Back to Contents Page  Diagnostic lights Four lights on the back panel. See " Diagnostic Lights ." Standby power light AUX_PWR on the system board  Power DC power supply Wattage 220 - W external supply Heat dissipation 751 BTU/hr NOTE: Heat dissipation is calculated based upon the power supply wattage rating. Voltage auto - sensing [...]

Back to Contents Page  Warranty Dell™OptiPlex™GX620 User's Guide Dell Inc. ("Dell") manufactures its hardware products from parts and components that are new or equivalent to new in accordance with industry - standard practices. For information about the Dell warranty for your computer, see the Product Information Guide [...]

Back to Contents Page  Microsoft ® Windows ® XP Features Dell™OptiPlex™GX620 User's Guide  Transferring Information to a New Computer  User Accounts and Fast User Switching  Setting Up a Home and Office Network  Transferring Information to a New Computer The Microsoft Windows XP operating system provid[...]

 User Accounts and Fast User Switching  Adding User Accounts After the Microsoft Windows XP operating system is installed, the administrator or a user with administrator rights can create additional user accounts.  1. Click the Start button and click Control Panel .  2. In the Control Panel window, click User Accounts .  3. Under Pic[...]

 1. Click the Start button, point to All Programs ® Accessories ® Communications , and then click Network Setup Wizard .  2. On the welcome screen, click Next .  3. Click Checklist for creating a network .  4. Complete the checklist and required preparations.  5. Return to the Network Setup Wizard and follow the instructions on the[...]