Dell 760 manual

Dell™OptiPlex™760ServiceManual    Mini Tower Computer  Desktop Computer  Small Form Factor Computer  Ultra Small Form Factor Computer[...]

Back to Contents Page  Advanced Features Dell™OptiPlex™760ServiceManual  LegacySelect Technology Control  Manageability  Physical Security  Trusted Platform Module (TPM)  Security Management Software  Computer Tracking Software  About Smart Cards and Fingerprint Readers  Hyperthr[...]

iAMT Features  Basic Functionality l  Ability to discover, track, and inventory assets in the presence or absence of the operating systems. The computer must have the power cable connected and must be connected to the network. l  Ability to power on and power off the computer remotely, whatever the state of the operating system.  Advanc[...]

l  Be formatted using the FAT16 file system with no system files l  Contain only the setup.bin file To provision AMT using a USB key, plug the USB key into a USB port prior to boot. During POST, the BIOS displays a message stating that the computer is being provisioned.  Alert Standard Format Alert Standard Format (ASF) is a DMTF managemen[...]

l  Access information about your computer, such as how many processors it has and what operating system it is running. l  Monitor the status of your computer, such as listening for thermal alerts from temperature probes or hard drive failure alerts from storage devices. l  Change the state of your computer by updating its BIOS, configuring[...]

Antitheft devices usually include a segment of metal - stranded cable with an attached locking device and key. The documentation that comes with the device contains instructions for installing it.  Trusted Platform Module (TPM) TPM is a hardware - based security feature that can be used to create and manage computer - generated encryption keys. [...]

 Computer Tracking Software Computer tracking software may enable you to locate your computer if it is lost or stolen. The software is optional and may be purchased when you order your Dell™computer,oryoucancontactyourDellsalesrepresentativeforinformationaboutthissecurityfeature.  About Smart Car[...]

Hibernate mode conserves power by copying system data to a reserved area on the hard drive, and then completely turning off the computer. When the computer exits from hibernate mode, the desktop is restored to the state it was in prior to entering hibernate mode. To activate hibernate mode:  1. Click Start ® Control Panel ® Pick a category ® [...]

For more information on power management options:  1. Click Start ® Help and Support ® Performance and maintenance .  2. In the Performance and maintenance window, click Conserving power on your computer .  Options in Windows Vista The Microsoft Vista power management features can reduce the amount of electricity your computer uses when [...]

Back to Contents Page  Battery Dell™OptiPlex™760ServiceManual  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[...]

 6. 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  Working on Your Computer Dell™OptiPlex™760ServiceManual  Recommended Tools  Before Working on Your Computer  After Working on Your Computer This document provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that:[...]

 1. Shut down the operating system.  2. Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 4 seconds to turn them off.  After Working on Your Computer After you have complet[...]

Dell™OptiPlex™760ServiceManual  Notes, Cautions, and Warnings 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 to change without notice. © 2008 - 2009DellInc.A[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Cards  Cards    YourDell™computerprovidesthefollowingconnectorsonthesystemboardforPCIandPCIExpresscards: l  Two connectors for low - profile PCI cards l  One connector for a low - profile PCI Express x16[...]

 4. If you are installing a card in an empty card connector on the system board, remove the filler bracket to create a card - slot opening at the back of the computer. Then continue with step 6 .  5. If you are installing a card to replace one already installed in the computer, remove the installed card (see Removing a PCI Card ).  6. Prep[...]

 11. Replace the computer cover (see Replacing the Computer Cover ), reconnect the computer and devices to electrical outlets, and then turn them on.   12. If you installed a sound card: a.  Enter system setup, select System Configuration ® Miscellaneous Devices , and change the Audio setting to Disabled. (See Entering System Setup ). [...]

 6. Grasp the card by its top corners, and ease it out of its connector.  7. If you are removing the card permanently, install a filler bracket in the empty card - slot opening.  8. Rotate the release tab downward to snap the card - retention latch into place.   9. Replace the computer cover (see Replacing the Computer Cover ), recon[...]

 4. Press in on the tab to raise the card - retention latch.  5. If necessary, disconnect any cables connected to the card.  6. Grasp the card by its top corners, and ease it out of its connector.  7. If you are removing the card permanently, install a filler bracket in the empty card - slot opening.  8. Lower the card - retention la[...]

 13. If you removed a network adapter card and want to turn on the integrated network adapter: a.  Enter system setup, select System Configuration ® Integrated NIC , and change the setting to Enabled . (See Entering System Setup ). b.  Connect the network cable to the integrated the back panel of the computer.  Installing a PCI Card in[...]

 8. Insert the card firmly into the card connector on the riser - card cage.  9. Lower the card - retention latch and press it into place, securing the card(s) in the computer.  10. Replace the riser - card cage: a.  Align the tabs in the side of the riser - card cage with the slots on the side of the computer, and slide the riser - car[...]

b.  Connect external audio devices to the sound card's connectors. Do not connect external audio devices to the microphone, speaker/headphone, or line - in connectors on the back panel of the computer.  15. If you installed a network adapter card and want to turn off the integrated network adapter: a.  Enter system setup, select Syste[...]

 8. Connect the adapter cable to the PS/2 serial port adapter connector (SERIAL2) on the system board (see System Board Components ).  9. Replace the computer cover (see Replacing the Computer Cover ).  Removing a PS/2 Serial Port Adapter  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Remov[...]

 7. Before you close 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.  8. Secure any remaining card(s) by closing the card retention latch and snapping it into place.  9. Repl[...]

 12. Replace the riser - card cage: a.  Align the tabs in the side of the riser - card cage with the slots on the side of the computer, and slide the riser - card cage down into place. b.  Ensure that the riser - card connectors are fully seated in the connectors on the system board. c.  Rotate the riser - card cage handle to the down p[...]

c.  Rotate the riser - card cage handle to the down position.  11. Replace the computer cover (see Replacing the Computer Cover ).  12. Uninstall the adapter's driver. See the documentation that came with the adapter for instructions. Back to Contents Page [...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Processor  Processor    Removing the Processor  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Remove the heat sink assembly (see Removing the Heat Sink Assembly ).  [...]

1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Unpack the new processor, being careful not to touch the underside of the processor.   4. If the release lever on the socket is not fully extended, move it to that position.  5. Orient the front and rear alignm[...]

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Back to Contents Page Dell™OptiPlex™760ServiceManual  Chassis Intrusion Switch  Chassis Intrusion Switch   Removing the Chassis Intrusion Switch  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Press the chassis intrusion switch c[...]

 2. WhentheDELL™logoappears,press<F12>immediately. If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft ® Windows ® desktop. Then shut down your computer and try again.  3. Select System Setup .  4. Select Security ® Chassis Intrusion and then sele[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Drives  Drives Your computer supports: l  One serial ATA (SATA) hard drive l  One 3.5 - inch drive bay (to support a floppy drive or a media card reader) l  One SATA optical drive  General Drive Installation Guidelines SATA connectors on the system board a[...]

 Power Cable Connectors  Connecting and Disconnecting Drive Cables When removing a cable with a pull - tab, grasp the colored pull - tab and pull until the connector detaches. When connecting and disconnecting a cable without a pull tab, hold the cable by the black connector at each end.  Drive Inserts Your computer will come with a plasti[...]

 5. Press the release tabs on the plastic insert and press from behind to remove.  Replacing Drive Inserts If you are removing a drive, and need to replace the inserts:  1. Place the plastic insert over the opening and press the insert tab down until the plastic insert snaps into place.  2. Slide the metal bracket toward the front of th[...]

  3. Pull up on the drive - release latch and slide the drive towards the back of the computer. Then, lift up to remove the drive from the computer.  4. Disconnect the power and data cables from the back of the drive.  5. If you are not replacing the optical drive at this time, install the optical drive insert by lowering it into the dr[...]

 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 (see Replacing the Computer Cover ).  9. Enter system setup and select the appropriate Drive option to enable the drive (see "Entering System Setup" on page 79).  10. Verify that your[...]

 5. Disconnect the power and data cables from the back of the floppy drive.  6. If you are not replacing the floppy drive or media card reader at this time, install the floppy drive inserts (see Replacing Drive Inserts ). Contact Dell if you need a drive bay insert.  Installing a Floppy Drive  1. If you are installing a new floppy drive[...]

4. Attach the power and data cables to the floppy drive.  5. Align the shoulder screws with the screw guides, and slide the drive into the bay until it clicks into place.  6. Replace the optical drive (see Optical Drive ).  7. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.  [...]

 5. Disconnect the cable from the back of the media card reader and from the system board.  6. If you are not replacing the media card reader at this time, install the 3.5 inch drive insert (see Replacing Drive Inserts ). Contact Dell if you need a drive bay insert.  Installing a Media Card Reader  1. If you are installing a new drive o[...]

 2. If you are replacing an existing media card reader: Remove the four shoulder screws from the existing media card reader.  3. Insert the four shoulder screws into the sides of the new media card reader and tighten them.  4. Align the shoulder screws with the screw guides, and slide the media card reader into the bay until it clicks into[...]

8. Replace the computer cover (see Replacing the Computer Cover ).  9. Verify that your computer works correctly by running the Dell Diagnostics (see Dell Diagnostics ).  Hard Drive     Removing a Hard Drive   1. Check the documentation for the drive to verify that it is configured for your computer.  2. Follow the proced[...]

 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 it from the drive.  4. Attach the bracket to the new drive by snapping it onto the drive.  5. Connect the power and d[...]

 8. Check all connectors to be certain that they are properly cabled and firmly seated.  9. Replace the computer cover (see Replacing 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 update the SATA p[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  System Fan  System Fan    Removing the System Fan  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Remove the heat sink assembly (see Removing the Processor ).  4. Discon[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Heat Sink Assembly  Heat Sink Assembly    Removing the Heat Sink Assembly  1. Loosen the captive screws on each side of the heat sink assembly.   2. Rotate the heat sink assembly upward, and remove the assembly from the computer. Lay the heat sink do[...]

 3. Replace the computer cover (see Replacing the Computer Cover ). Back to Contents Page  1 heat sink assembly 2 heat - sink assembly bracket 3 captive screw housing (2)  [...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  I/O Panel  I/O Panel  Removing the I/O Panel    1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Remove the screw that secures the I/O panel to the desktop computer.   [...]

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Back to Contents Page Dell™OptiPlex™760ServiceManual  Power Supply  Power Supply  Replacing the Power Supply    1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Disconnect the DC power cables from the system board and the drives[...]

12. Connect the AC power cable to the connector.  13. Replace the computer cover (see Replacing the Computer Cover ).  DC Power Connectors  DC Power Connector P1  Pin Number  Signal name  18 - AWG Wire 1 COM Black 2 FAN Brown 3 N/C N/C 4 +3.3 VDC Orange 5 COM Black 6 COM Black 7 +12 VDC Yellow 8 +5 VSB Purple 9 COM Black 10 +5 VDC[...]

 DC Power Connector P2  DC Power Connector P4  DC Power Connector P5 and P6  Back to Contents Page  24 +5 VDC Red  Pin Number  Signal Name  18 - AWG Wire 1 GND Black 2 GND Black 3 +12 VDC Yellow 4 +12 VDC Yellow  Pin Number  Signal Name  22 - AWG Wire 1 +5 VDC Red 2 GND Black 3 GND Black 4 +12 VDC Yellow  Pin Num[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Speakers  Speakers  Removing a Speaker    1. Follow the procedures in Working on Your Computer .  2. Remove the cover of your computer (see Removing the Computer Cover ).  3. Disconnect the speaker cable from the INT_SPKR connector on the system boar[...]

2. Remove the cover of your computer (see Removing the Computer Cover ).  3. Insert the speaker into the chassis of the computer.  4. Connect the speaker cable to the system board.  5. Replace the computer cover.  6. Turn on power to the computer. Back to Contents Page  1 speaker 2 speaker cable[...]

Back to Contents Page  Desktop Dell™OptiPlex™760ServiceManual  Removing the Computer Cover  Inside View of Your Computer  System Board Components  Removing the Computer Cover    1. Follow the procedures in Working on Your Computer .  2. If you have installed a padlock through the padlock ring o[...]

 System Board Components CAUTION: Be careful when opening the computer cover to ensure that you do not accidentally disconnect cables from the system board. 1 drive bays (media card reader or floppy drive, optical drive, and hard drive) 2 power supply 3 optional chassis - intrusion switch 4 system board 5 card slots 6 heat sink assembly 7 front [...]

Back to Contents Page  17 PS/2 or serial connector (SERIAL2) 18 floppy connector (DSKT) 19 fan connector (FAN_CPU)  [...]

Back to Contents Page  Contacting Dell Dell™OptiPlex™760ServiceManual To contact Dell for sales, technical support, or customer service issues:  1. Visit support.dell.com .  2. Verify your country or region in the Choose a Country/Region drop - down menu at the bottom of the page.  3. Click Contact Us on the left side[...]

Back to Contents Page  Glossary Dell™OptiPlex™760ServiceManual 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 powe[...]

CD - RW — CD rewritable — A rewritable version of a CD. Data can be written to a CD - RW disc, and then erased and written over (rewritten). CD - RW drive — A drive that can read CDs and write to CD - RW (rewritable CDs) and CD - R (recordable CDs) discs. You can write to CD - RW discs multiple times, but you can write to CD - R discs only on[...]

 E ECC — error checking and correction — A type of memory that includes special circuitry for testing the accuracy of data as it passes in and out of memory. ECP — extended capabilities port — A parallel connector design that provides improved bidirectional data transmission. Similar to EPP, ECP uses direct memory access to transfer data[...]

HTTP — hypertext transfer protocol — A protocol for exchanging files between computers connected to the Internet. Hyperthreading — hyperthreading is an Intel technology that can enhance overall computer performance by allowing one physical processor to function as two logical processors, capable of performing certain tasks simultaneously. Hz [...]

memory — A temporary data storage area inside your computer. Because the data in memory is not permanent, it is recommended that you frequently save your files while you are working on them, and always save your files before you shut down the computer. Your computer can contain several different forms of memory, such as RAM, ROM, and video memory[...]

processor — A computer chip that interprets and executes program instructions. Sometimes the processor is referred to as the CPU (central processing unit). PS/2 — personal system/2 — A type of connector for attaching a PS/2 - compatible keyboard, mouse, or keypad. PXE — pre - boot execution environment — A WfM (Wired for Management) stand[...]

surge protectors — Prevent voltage spikes, such as those that may occur during an electrical storm, from entering the computer through the electrical outlet. Surge protectors do not protect against lightning strikes or against brownouts, which occur when the voltage drops more than 20 percent below the normal AC - line voltage level. Network conn[...]

 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 or picture [...]

Back to Contents Page  Memory Dell™OptiPlex™760ServiceManual  Installing Memory Module (s)  Removing Memory Module (s) You can increase your computer memory by installing memory modules on the system board. Your computer supports DDR2 memory. For additional information on the type of memory supported by your comput[...]

 Addressing Memory Configurations If you are using a 32 - bit operating system such as Microsoft ® Windows ® Vista ® , your computer will support a maximum of 4 GB of memory. If you are using a 64 - bit operating system, your computer will support a maximum of 8 GB (2 - GB DIMMs in each of the four slots) of memory.  Installing Memory M[...]

 6. Replace the computer cover (see Replacing the Computer Cover ).   7. Connect your computer and devices to electrical outlets, and turn them on.  8. When the message appears stating that memory size has changed, press <F1> to continue.  9. Log on to your computer.  10. Right - click the My Computer icon on your Windows de[...]

Dell™OptiPlex™760ServiceManual  Notes, Cautions, and Warnings 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 to change without notice. © 2008 - 2009DellInc.A[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Cards  Cards   YourDell™computersupportsaPS/2serialportadapterandprovidesthefollowingconnectorsforPCIandPCIExpresscards: l  Two PCI card slots l  One PCI Express x16 card slot l  One PCI Express[...]

 4. If you are installing a new card, remove the filler bracket to create a card - slot opening.  5. 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.  6. If your card includes a card retention bar, remove the bar. Gently pull the securing tab,[...]

 10. Before you 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.  11. Secure the card(s) by closing the card retention latch and snapping it into place.   12. Connect[...]

 4. If necessary, disconnect any cables connected to the card.  5. If you are removing the card permanently, install a filler bracket in the empty card - slot opening.   6. Replace the computer cover (see Replacing the Computer Cover ), reconnect the computer and devices to electrical outlets, and then turn them on.  7. Uninstall the[...]

 4. Remove the filler bracket (if applicable).  5. Align the PS/2 serial port adapter bracket in the retention slot and press down firmly. Ensure that the adapter is fully seated in the slot.  6. Before you close the card retention mechanism, ensure that: l  The tops of all adapters and filler brackets are flush with the alignment bar. [...]

 9. Replace the computer cover (see Replacing the Computer Cover ).  Removing a PS/2 Serial Port Adapter  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Gently push the release tab on the card retention latch from the inside to pivot the latch open. The lat[...]

 8. Before you close 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.  9. Secure the card(s) by closing the card retention latch and snapping it into place.  10. Replace the c[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Heat Sink and Processor  Heat Sink and Processor    Removing the Processor  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).   3. Loosen the captive screws on each side of the[...]

 6. 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 Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Unpack the new pro[...]

  7. Set the processor lightly in the socket and ensure that the processor is positioned correctly.  8. 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.  9. Pivot the socket release lever back toward the [...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Chassis Intrusion Switch  Chassis Intrusion Switch   Removing the Chassis Intrusion Switch  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Disconnect the chassis intrusion swi[...]

 3. Select the Chassis Intrusion option and then press the left - or right - arrow key to select Reset . Change the setting to On , On - Silent , or Disabled .  4. Save your BIOS settings and exit system setup. Back to Contents Page  NOTE: The default setting is On - Silent .[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Drives  Drives Your computer supports: l  Two SATA (Serial ATA) hard drives l  One 3.5 - inch floppy drive or media card reader l  Two SATA optical drives  General Drive Installation Guidelines SATA connectors on the system board are labeled SATA0, SATA1, [...]

 Power Cable Connectors  Connecting and Disconnecting Drive Cables When removing a cable with a pull - tab, grasp the colored pull - tab and pull until the connector detaches. When connecting and disconnecting a cable without a pull tab, hold the cable by the black connector at each end.  Hard Drive     Removing a Hard Drive ?[...]

 6. Press in on the blue release tabs on each side of the hard drive and slide the drive up and out of the computer.  Installing a Hard Drive  1. Unpack the replacement hard drive, and prepare it for installation.  2. Check the documentation for the drive to verify that it is configured for your computer.  3. If your replacement hard[...]

 4. Gently spread the sides of the drive bracket and slide the hard drive into the bracket, aligning the drive with the bracket pins, until the drive clicks into place.  5. Carefully slide the hard drive into the drive bay until it clicks into place.  6. Connect the power and data cables to the drive.  7. Ensure that the data cable is s[...]

14. If the drive you just installed is the primary drive, install your operating system on the hard drive. 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.  Adding a Second H[...]

 8. Locate an unused SATA connector on the system board and attach a data cable to this connector and to the second hard drive.  9. Replace the computer cover (see Replacing the Computer Cover ).  10. Enter system setup (see System Setup ), and update the SATA port option under the Drives option list.  11. Exit system setup, and reboot [...]

Removing the Floppy Drive  1. Boot your computer and enter system setup (see Entering System Setup ). Use the Diskette Drive option to disable the floppy drive.  2. Follow the procedures in Working on Your Computer .  3. Remove the computer cover (see Removing the Computer Cover ).  4. Remove the drive panel by sliding the drive release[...]

 4. Attach the power and data cables to the floppy drive and to the system board.  5. Replace the computer cover (see Replacing the Computer Cover ).  6. Enter system setup (see 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[...]

 3. Remove the drive panel by sliding the drive release latch downward to open the panel, and then remove it from the hinges.  4. Disconnect the cable from the back of the media card reader.  5. Grasp the sliding plate lever and slide it towards the bottom of the computer until the drive panel snaps open; while holding the lever in place, [...]

 4. Attach the cable to the media card reader and to the system board.  5. Replace the computer cover (see Replacing the Computer Cover ).  6. Verify that your computer works correctly by running the Dell Diagnostics (see Dell Diagnostics ).  Optical Drive    Removing an Optical Drive  1. Follow the procedures in Working on [...]

 4. Grasp the sliding plate lever and slide it downwards until the drive panel snaps open; while holding the lever down, slide the drive out of the computer.  Installing an Optical Drive  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. If you are replacing a[...]

 7. Connect the power and data cables to the drive and to the system board.   8. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.  9. Replace the computer cover (see Replacing the Computer Cover ).  10. Update your configuration information in system setup by setting the ap[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  I/O Panel  I/O Panel  Removing the I/O Panel    1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).   3. Remove the screw that secures the I/O panel. Press the release button to [...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Power Supply  Power Supply  Replacing the Power Supply    1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Disconnect the DC power cables from the system board and the drives[...]

 12. Replace the computer cover (see Replacing 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 +5 VDC Red 5 GND Black 6 +5 VDC Red 7 GND Black 8 PS_PWRGOOD Gray 9 P5AUX Purple 10 V_12P0_DIG White 11 V_12P0_DIG White 12 +3.3 [...]

 DC Power Connector P2  DC Power Connectors P3, P5, P8, and P9  DC Power Connector P7 Back to Contents Page  21 +5 VDC Red 22 +5 VDC Red 23 +5 VDC Red 24 GND Black  Pin Number  Signal Name  18 - AWG Wire 1 GND Black 2 GND Black 3 +12 VADC Yellow 4 +12 VADC Yellow  Pin Number  Signal name  18 - AWG Wire 1 +3.3 VDC Orang[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Speakers  Speakers  Removing the Speaker    1. Follow the procedures in Working on Your Computer .  2. Remove the cover of your computer (see Removing the Computer Cover ).  3. Disconnect the cables from the system board.  4. Remove the speaker fr[...]

 4. Connect the cables to the system board.  5. Replace the computer cover.  6. Turn on power to the computer. Back to Contents Page [...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  System Fan  System Fan    Removing the System Fan  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Remove the heat sink assembly (see Removing the Processor ).  4. Discon[...]

[...]

Back to Contents Page  Mini Tower Dell™OptiPlex™760ServiceManual  Removing the Computer Cover  Inside Your Computer  System Board Components  Removing the Computer Cover    1. Follow the procedures in Working on Your Computer .  2. If you have installed a padlock through the padlock ring on the[...]

   System Board Components WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. WARNING: To avoid electrical shock, always unplug your computer from the electr[...]

Back to Contents Page  17 battery socket (BATTERY) 18 PS/2 or serial connector (SERIAL2) 19 floppy connector (DSKT) 20 fan (FAN_CPU)[...]

Back to Contents Page  Replacing the Computer Cover Dell™OptiPlex™760ServiceManual  Mini - Tower, Desktop, and Small Form Factor  Ultra Small Form Factor    Mini - Tower, Desktop, and Small Form Factor  1. Ensure that all cables are connected, and fold cables out of the way. Gently pull the power cables[...]

Back to Contents Page  1 release knob[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Cards  Cards   YourDell™computersupportsaPS/2serialportadapterandprovidesthefollowingconnectorsforPCIandPCIExpresscards: l  One low - profile PCI card slot l  One low - profile PCI Express x16 card[...]

4. If you are installing a new card, remove the filler bracket to create a card - slot opening. Then continue with step 6 .  5. 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. Then continue with step6 .  6. Prepare the card for installation. [...]

 14. Install any drivers required for the card as described in the card documentation.  Removing a PCI Card  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Gently lift the release tab on the card retention latch from the inside and pivot the latch open. [...]

b.  Connect the network cable to the integrated the back panel of the computer.  PCI Express and DVI Cards Your computer supports one low - profile PCI Express x16 card. If you are replacing a PCI Express card with a different type of PCI Express card, remove the current driver for the card from the operating system. See the documentation tha[...]

  8. Connect any cables that should be attached to the card.  9. Before you close 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. Secure the card(s) by closing the ca[...]

 4. If necessary, disconnect any cables connected to the card.  5. Press the lever with your thumb until you release the securing tab. If you are removing a PCI Express x16 card, go to step6 . If you are removing a DVI card, go to step7  6. While pressing the lever, pull the card up and out of the card connector.  7. While pressin[...]

 11. Replace the computer cover (see Replacing the Computer Cover ).  12. Uninstall the card's driver. See the documentation that came with the card for instructions.  13. If you removed a sound card: a.  Enter system setup, select System Configuration ® Miscellaneous Devices , and change the Audio setting to Enabled. (See Enterin[...]

 8. Connect the adapter cable to the PS/2 serial port adapter connector (PS2/SERIAL2) on the system board (see System Board Components ).  9. Replace the computer cover (see Replacing the Computer Cover .  Removing a PS/2 Serial Port Adapter  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Re[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Heat Sink and Processor  Heat Sink and Processor    Removing the Processor  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).   3. Remove the optical drive (see Optical Drive )[...]

  8. 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 Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. If you are ins[...]

  7. Set the processor lightly in the socket and ensure that the processor is positioned correctly.  8. 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.  9. Pivot the socket release lever back toward the [...]

 13. Route the floppy drive cable through the securing tab on the heat sink and connect it to the system board.  14. Replace the optical drive (see Optical Drive ).  15. Replace the computer cover (see Replacing the Computer Cover ). Back to Contents Page  1 heat sink assembly 2 heat - sink assembly bracket 3 captive screw in housing (2[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Chassis Intrusion Switch  Chassis Intrusion Switch   Removing the Chassis Intrusion Switch  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Remove the hard drive (see Removing [...]

 1. Turn on (or restart) your computer.  2. WhentheDELL™logoappears,press<F12>immediately. If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft ® Windows ® desktop. Then shut down your computer and try again.  3. Select System Setup .  4. Select [...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Drives  Drives Your computer supports: l  One SATA (serial ATA) hard drive l  One slimline floppy drive or media card reader l  One SATA slimline optical drive  General Installation Guidelines SATA connectors on the system board are labeled SATA0 and SATA1[...]

 Connecting and Disconnecting Drive Cables When removing an cable with a pull - tab, grasp the colored pull - tab and pull until the connector detaches. When connecting and disconnecting a SATA data cable, hold the cable by the black connector at each end.  Hard Drive     Removing a Hard Drive   1. Check the documentation fo[...]

 5. Disconnect the power and data cable from the hard drive.  6. Disconnect the data cable from the system board.  7. Disconnect the hard - drive fan cable from the system board and set the hard drive aside.  Installing a Hard Drive  1. Check the documentation for the drive to verify that it is configured for your computer.   2[...]

 4. Connect the hard drive fan cable to the system board.  5. Connect the power and data cables to the hard drive.  6. Connect the data cable to the system board.  7. Check all connectors to ensure that they are properly cabled and firmly seated.  8. Align the hard drive tab with the chassis and gently position the drive until it cli[...]

 10. If the drive you just installed is the primary drive, insert a bootable media into your boot drive.  11. Turn on the computer.  12. Enter system setup, and update the SATA port option under Drives option list (see Entering System Setup ).  13. Exit system setup, and reboot the computer.  14. Partition and logically format your d[...]

Optical Drive    Removing an Optical Drive  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).   3. Pull the drive release latch and slide the drive towards the back of the computer. Then lift up to remove the drive from the computer.  4. Disconnect the po[...]

 6. Remove the drive and replace the computer cover (see Replacing the Computer Cover ).  Installing an Optical Drive  1. Unpack the drive and prepare it for installation.  2. Check the documentation that accompanied the drive to verify that the drive is configured for your computer.  3. Follow the procedures in Working on Your Compu[...]

 7. Gently position the drive until it clicks into place.  8. Check all cable connections and fold cables out of the way to provide airflow for the fan and cooling vents.  9. Replace the computer cover (see Replacing the Computer Cover ).  10. See the documentation that came with the drive for instructions on installing any software req[...]

  4. Pull the cable release tab to disconnect the data cable from the system board.  5. Pull the drive release latch and slide the floppy drive towards the back of the computer. Then lift up to remove the drive.  6. Gently lift the data cable from the floppy data cable edge connector.  7. Replace the computer cover (see Replacing the[...]

 5. Replace the optical drive (see Optical Drive ).  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 (see Replacing the Computer Cover ).  8. Enter system setup and use the Diskette Drive option to enable your new floppy drive (see System Set[...]

 8. Pull the drive release latch and slide the media card reader towards the back of the computer. Then lift up to remove the media card reader from the computer.  9. Replace the hard drive (see Installing a Hard Drive ).  10. Replace the computer cover (see Replacing the Computer Cover ).  Installing a Media Card Reader  1. If you a[...]

 5. Replace the optical drive (see Optical Drive ).  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 (see Replacing the Computer Cover ).  8. See the documentation that came with the drive for instructions on installing any software required [...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  System Fan  System Fan   Removing the System Fan  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Remove the heat sink assembly and processor (see Removing the Processor ). [...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  I/O Panel  I/O Panel  Removing the I/O Panel    1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Remove the optical drive and floppy drive from the drive bays, if installed ([...]

Back to Contents Page  NOTE: Use the guides on the I/O panel bracket to help position the I/O panel in place and use the notch on the I/O panel bracket to help seat the card.[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Power Supply  Power Supply  Replacing the Power Supply    1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. If installed, remove the optical drive (see Removing an Optical Dri[...]

 12. Replace the floppy drive or media card reader (see Installing a Floppy Drive ).  13. Replace the optical drive (see Installing an Optical Drive ).  14. Replace the computer cover (see Replacing the Computer Cover ).  15. Connect the AC power cable to the power supply AC power connector.   16. Connect your computer and devices[...]

 DC Power Connector P2  DC Power Connectors P3  DC Power Connector P6 Back to Contents Page  19 +12 VDC Yellow 20 - 12 VDC Blue 21 COM Black 22 PS_ON Green 23 +5 VDC Red 24 +5 VDC Red  Pin Number  Signal Name  18 - AWG Wire 1 GND Black 2 GND Black 3 +12 VDC Yellow 4 +12 VDC Yellow  Pin Number  Signal Name  18 - AWG Wir[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Speakers  Speakers    Installing a Speaker  1. Follow the procedures in Working on Your Computer .  2. Remove the cover of your computer (see Removing the Computer Cover ).  3. Insert the speaker into the chassis of the computer.  4. Connect the c[...]

 5. Replace the computer cover.  6. Turn on power to the computer. Back to Contents Page [...]

Back to Contents Page  Small Form Factor Dell™OptiPlex™760ServiceManual  Removing the Computer Cover  Inside Your Computer  System Board Components  Removing the Computer Cover    1. Follow the procedures in Working on Your Computer .  2. If you have installed a padlock through the padlock ring[...]

 System Board Components CAUTION: Be careful when opening the computer cover to ensure that you do not accidentally disconnect cables from the system board. 1 drives (CD/DVD, floppy, and media card reader) 2 power supply 3 hard drive 4 system board 5 heat sink assembly   1 internal speaker connector (INT_SPKR) 2 processor connector (CPU) 3[...]

Back to Contents Page  19 fan connector (FAN_CPU)  [...]

Dell™OptiPlex™760ServiceManual  Notes, Cautions, and Warnings 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 to change without notice. © 2008 - 2009DellInc.A[...]

Back to Contents Page  System Board Dell™OptiPlex™760ServiceManual  Removing the System Board  Replacing the System Board   Removing the System Board  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover.   3. Remove any components that restrict access to the system[...]

 Desktop System Board Screws  Small Form Factor System Board Screws 1 screws (9) 1 screws (9)[...]

 Ultra Small Form Factor System Board Screws  Replacing the System Board  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. Replace any components and cables that you removed from the system board.  4. Reconnect all cables to their connectors at[...]

Back to Contents Page [...]

Back to Contents Page  System Setup Dell™OptiPlex™760ServiceManual  Overview  Entering System Setup  System Setup Options  Boot Sequence  Booting to a USB Device  Password Protection  Jumper Settings  Clearing Forgotten Passwords  Clearing CMOS Settings  Deploying Cit[...]

 NOTE: Depending on your computer and installed devices, the items listed in this section may not appear, or may not appear exactly as listed. WARNING: eSATA is designed to function only if the SATA Operation mode in system Setup (BIOS) is set to either IRRT or AHCI. If it is set to ATA, the eSATA functionality is lost though the connector can s[...]

Video Primary Video Specifies which video controller is primary when two video controllers are present on the computer. l  Auto (default) l  Onboard/PEG Performance Multi Core Support Specifies whether one or all the cores of the processor will be enabled.  NOTE: The performance of some applications improve with additional cores. Intel ®?[...]

AC Recovery Determines how the system responds when AC power is re - applied after a power loss. You can set the AC Recovery to: l  Power Off (default) l  Power On l  Last State Auto On Time  Sets time to automatically turn on the computer. Time is kept in the standard 12 - hour format (hours:minutes:seconds). Change the startup time by[...]

 Boot Sequence This feature allows you to change the Boot Device Property for devices.  Option Settings l  Onboard USB Floppy Drive — The computer attempts to boot from the floppy drive. l  Onboard SATA Hard Drive — The computer attempts to boot from the hard drive. l  USB Device — The computer attempts to boot from a removable[...]

 5. Use the arrow keys to select the appropriate device (for the current boot only).  Changing the Boot Sequence for Future Boots  1. Enter System Setup (see Entering System Setup ).  2. Click to expand SystemBoard and then click Boot Sequence .  3. Highlight the appropriate device from the list of devices on the right and then click[...]

 Assigning a System Password To exit without assigning a system password, press <Esc> at any time (before you press the OK button in step 4).  1. Enter system setup (see Entering System Setup ).  2. Select System Password , and verify that Password Status is set to Not Set .  3. Type your new system password. You can use up to 32 [...]

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

Mini Tower  Desktop  Small Form Factor  Ultra Small Form Factor[...]

 Clearing Forgotten Passwords    1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover.  3. Locate the 2 - pin password jumper (PSWD) on the system board, and remove the jumper to clear the password. See Password Protection .  4. Replace the computer cover (see Replacing the Computer Cover ).  [...]

 13. Assign a new system and/or administrator password.  Clearing CMOS Settings   1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover.  3. Reset the current CMOS settings: a.  Locate the password (PSWD) and CMOS (RTCRST) jumpers on the system board (see Password Protection ). b.  Remove the p[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual 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 to change without notice. © 2008 – 2009DellInc.Allri[...]

Back to Contents Page  Troubleshooting Dell™OptiPlex™760ServiceManual  Tools  Dell Diagnostics  Solving Problems  Dell Technical Update Service    Tools  Power Lights The power button light located on the front of the computer illuminates and blinks or remains solid to indicate different sta[...]

 To help troubleshoot a problem, your computer has four lights labeled 1 , 2 , 3 , and 4 on the front panel. When the computer starts normally, the lights flash, and then turn off. If the computer malfunctions, use the sequence of the lights to help identify the problem.  Diagnostic Light Codes During POST WARNING: Before working inside your [...]

Steady Amber Steady Amber BIOS may be corrupt or missing. l  The computer hardware is operating normally but the BIOS may be corrupt or missing. Contact Dell (see Contacting Dell ). Steady Amber A possible motherboard failure has occurred. l  Remove all cards from the PCI and PCI - E slots and restart the computer. If the computer boots, add [...]

 Power Supply Diagnostic Light The power supply diagnostic light located on the back of the computer, near the power connector. The light remains solid or off to indicate different states: l  No light — Indicates no power available for the power supply or the power supply is not working. l  Green light — Indicates power availability fo[...]

 Beep Codes Your computer may emit a series of beeps during start - up if the monitor cannot display errors or problems. For example, one possible beep code may consist of three short, repeated beeps indicating that the computer has encountered a possible system board failure. If your computer emits a series of beeps during start - up:  1. Wr[...]

 Hard - disk read failure — Possible hard drive failure during hard - drive boot test (see Contacting Dell for assistance).  Keyboard failure — Keyboard failure or keyboard cable loose (see Keyboard Problems ).  No boot device available — The system cannot detect a bootable device or partition. ¡  If the floppy drive is your boot[...]

 Starting the Dell Diagnostics From Your Hard Drive Before running the Dell Diagnostics, enter System Setup (see the Entering System Setup ) to review your computer's configuration information, and ensure that the device you want to test is displayed in System Setup and is active. The Dell Diagnostics is located on a separate diagnostic uti[...]

 5. Press any key to confirm that you want to start from the CD/DVD. If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft Windows desktop, then shut down your computer and try again.  6. Type 1 to Run the 32 Bit Dell Diagnostics .  7. At the Dell Diagnostics Menu , type 1 to select Dell 3[...]

 Solving Problems Follow these tips when troubleshooting your computer: l  If you added or removed a part before the problem started, review the installation procedures and ensure that the part is correctly installed. l  If a peripheral device does not work, ensure that the device is properly connected. l  If an error message appears on[...]

 Clean the drive or disk — See the Dell™TechnologyGuide for more information on cleaning your computer.  Check the cable connections  Run the Hardware Troubleshooter — See Hardware Troubleshooter onpage83.  Run the Dell Diagnostics — See Dell Diagnostics .  Optical drive problems  Adjust the Windows volume c[...]

 Error Messages  If the error message is not listed, see the documentation for the operating system or the program that was running when the message appeared.  A filename cannot contain any of the following characters: / : * ? " < > | —  Do not use these characters in filenames.  A required .DLL file was not found — [...]

 If you have problems with a Dell IEEE 1394 device — Contact Dell (see Contacting Dell ).  If you have problems with an IEEE 1394 device not provided by Dell — ContacttheIEEE1394devicemanufacturer.  Keyboard Problems   Check the keyboard cable —  l  Ensure that the keyboard cable is firmly connected to t[...]

A program crashes repeatedly  Check the software documentation — If necessary, uninstall and then reinstall the program.  A program is designed for an earlier Windows operating system  Run the Program Compatibility Wizard —  Windows XP : The Program Compatibility Wizard configures a program so that it runs in an environment similar [...]

l  Reseat the memory modules (see Memory ) to ensure that your computer is successfully communicating with the memory. l  Ensure that you are following the memory installation guidelines (see Installing Memory Module (s) ). l  Ensure that the memory you are using is supported by your computer. For more information about the type of memory [...]

Power Problems   If the power light is blue and the computer is not responding — See Diagnostic Lights .  If the power light is blinking green — The computer is in standby mode. Press a key on the keyboard, move the mouse, or press the power button to resume normal operation.  If the power light is off — The computer is either tur[...]

Windows Vista : 1.  Click Start ® Control Panel ® Hardware and Sound ® Printer . 2.  If the printer is listed, right - click the printer icon. 3.  Click Properties and click Ports . 4.  Adjust the settings, as needed.  Reinstall the printer driver — See the printer documentation for information on reinstalling the printer driver[...]

that the sound is not muted.  Disconnect headphones from the headphone connector — Sound from the speakers is automatically disabled when headphones are connected to the computer's front - panel headphone connector.  Test the electrical outlet — Ensure that the electrical outlet is working by testing it with another device, such as a[...]

See Diagnostic Lights .  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 includes a subwoofer, ensure that the subwoofer is po[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Module Bay  Module Bay  You can install a Dell ™ removable device such as a floppy drive, optical drive, or second hard drive in the module bay. You can also install an airbay (filler blank) in the bay if you do not plan to install a drive. Your Dell computer shi[...]

 3. Press the device latch release so that the latch release pops out.   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 (you must rem[...]

 Removing and Installing a Device When Your Computer Is Running  Microsoft ® Windows ®  1. To remove a device installed in the module bay, double - click the Safely Remove Hardware icon on the taskbar.  2. In the list of devices that appears on your screen, click the device you want to eject.   3. When a computer message indi[...]

 3. Replace the computer cover (see Replacing the Computer Cover ). The module cannot be removed from the computer until you lift the module locking switch into its unlocked position.  4. You may also secure a device in the module bay by using a security screw (packaged separately), accessed from the bottom of the computer. Back to Contents P[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Cable Cover (Optional)  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[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Heat Sink and Processor  Heat Sink and Processor      Removing the Processor  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Remove the fan shroud by lifting the fan [...]

b.  Gently lift the heat sink from the processor. c.  Lay the heat sink down on its top, with the thermal grease facing upward.   5. Open the processor cover by sliding the release lever from under the center cover latch on the socket. Then pull the lever back to release the processor.    6. Gently remove the processor from the[...]

 4. Align the pin - 1 corners of the processor and socket.   5. Set the processor lightly in the socket and ensure that the processor is positioned correctly.  6. When the processor is fully seated in the socket, pivot the release lever back toward the socket until it snaps into place to secure the processor. If you are installing a pro[...]

 10. Lower the heat sink onto the processor at a 45 - degree angle so that one end of the heat sink fits securely under the tab opposite the release tab on the retention base.  11. Re - assemble the shroud.  12. Replace the computer cover (see Replacing the Computer Cover ).  13. Replace the cable cover, if used (see Attaching the Cable[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Chassis Intrusion Switch  Chassis Intrusion Switch   Removing the Chassis Intrusion Switch  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Disconnect the chassis intrusion swi[...]

 3. Select System Setup .  4. Select Security ® Chassis Intrusion and then select the Clear Intrusion Warning option to reset the chassis intrusion detector. Change the setting to On , On - Silent , or Disabled .  5. Save the settings and exit System Setup . Back to Contents Page  NOTE: The default setting is On - Silent .[...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Drives  Drives Your computer supports: l  One SATA (serial ATA) hard drive l  One optional Dell D - module optical drive, second hard drive, or floppy drive in the module bay (see Module Bay for information on installing and removing devices in the module bay). [...]

When connecting and disconnecting a SATA data cable, hold the cable by the black connector at each end. When removing a cable with a pull - tab, grasp the colored pull - tab and pull until the connector detaches.  Hard Drive      Removing the Hard Drive  1. Follow the procedures in Working on Your Computer .  2. Remove the c[...]

 2. Remove the computer cover (see Removing the Computer Cover ).  3. If you are installing a new drive, rather than replacing an already installed drive: a.  Check the documentation for the drive to verify that the drive is configured for your computer. b.  Attach the plastic drive rails — located inside the cover — to the new driv[...]

For instructions, see the documentation that came with your operating system.  13. Test the hard drive by running the Dell Diagnostics (see Dell Diagnostics ).  14. Install your operating system on the hard drive. For instructions, see the documentation that came with your operating system.  Removing the Hard - Drive Fan  1. Follow the [...]

 7. Replace the cable cover, if used. Back to Contents Page [...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  System Fans  System Fans    Removing the System Fans  1. Follow the procedures in Working on Your Computer .  2. Remove the cover of your computer (see Removing the Computer Cover ).  3. Remove the fan shroud by lifting the fan shroud up and away fro[...]

Back to Contents Page [...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Power Button  Power Button   Removing the Power Button  1. Follow the procedures in Working on Your Computer .  2. Remove the computer cover (see Removing the Computer Cover ).  3. Gently squeeze the tabs securing the power button assembly to the front [...]

Back to Contents Page Dell™OptiPlex™760ServiceManual  Speakers  Speakers    Removing a Speaker  1. Follow the procedures in Working on Your Computer .  2. Remove the cover of your computer (see Removing the Computer Cover ).  3. Press the speaker release tab and slide the speaker up.  4. Release the [...]

 5. Replace the computer cover.  6. Turn on power to the computer. Back to Contents Page [...]

Back to Contents Page  Ultra Small Form Factor Dell™OptiPlex™760ServiceManual  Removing the Computer Cover  Inside Your Computer  System Board Components  Dell Badge    Removing the Computer Cover    1. Follow the procedures in Working on Your Computer .  2. If applicable, remove th[...]

   System Board Components WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. WARNING: To avoid electrical shock, always unplug your computer from the AC pow[...]

 Dell Badge  The Dell badge on the front of your computer can be rotated. To rotate the badge:  1. Remove the computer cover (see Removing the Computer Cover ).  2. Pull on the tab away from the chassis and rotate the badge to the desired position.  3. Ensure that the tab is secured in the slot. Back to Contents Page  WARNING: Bef[...]

Dell™OptiPlex™760ServiceManual  Notes, Cautions, and Warnings 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 to change without notice. © 2008 - 2009DellInc.A[...]