Dell D420 manuale d’uso

Dell™Latitude™D420User'sGuide  Notes, Notices, and Cautions Abbreviations and Acronyms For a complete list of abbreviations and acronyms, see Glossary . IfyoupurchasedaDell™nSeriescomputer,anyreferencesinthisdocumenttoMicrosoft ® Windows ® operating systems are not applicable.[...]

Back to Contents Page  About Your Computer Dell™Latitude™D420User'sGuide  Front View  Left View  Right View  Back View  Bottom View  Front View  display — For more information about your display, see Using the Display .  device status lights 1 display latch 5 touch pad buttons 9 keybo[...]

If the computer is connected to an electrical outlet, the light operates as follows: ¡  Solid green: The battery is charging. ¡  Flashing green: The battery is almost fully charged. If the computer is running on a battery, the light operates as follows: ¡  Off: The battery is adequately charged (or the computer is turned off). ¡  Fl[...]

If the computer stops responding, press and hold the power button until the computer turns off completely (which may take several seconds).  Left View  security cable slot — Lets you attach a commercially available antitheft device to the computer. For more information, see Security Cable Lock .  headphone connector — Lets you connect [...]

 power button — Press the power button to turn on the computer or exit a power management mode (see Power Management Modes ).  Back View  USB connectors  modem connector (RJ - 11)  network connector (RJ - 45)  video connector  AC adapter connector — Attach an AC adapter to the computer.  1 air vent 2 WiFi Locator - Wirel[...]

IEEE 1394 Connector — Connects devices supporting IEEE 1394 high - speed transfer rates, such as some digital video cameras.  infrared sensor — Lets you transfer files from your computer to another infrared - compatible device without using cable connections. When you receive your computer, the infrared sensor is disabled. You can use the sy[...]

memory module/WLAN Mini - Card cover — Covers the compartment that contains one memory module and the WLAN Mini - Card. For additional information, see Adding and Replacing Parts .  battery - bay latch release — Releases the battery. See Using a Battery for instructions.  battery charge gauge — Provides information on the battery charge[...]

Back to Contents Page  Appendix Dell™Latitude™D420User'sGuide  Cleaning Your Computer  Macrovision Product Notice  FCC Notice (U.S. Only)  Cleaning Your Computer  Computer, Keyboard, and Display l  Use a can of compressed air to remove dust from between the keys on the keyboard. l  Moisten a sof[...]

 Macrovision Product Notice This product incorporates copyright protection technology that is protected by U.S. patents and other intellectual property rights. Use of this copyright protection technology must be authorized by Macrovision, and is intended for home and other limited viewing uses only unless otherwise authorized by Macrovision. Rev[...]

Back to Contents Page  Using a Battery Dell™Latitude™D420User'sGuide   Battery Performance ForoptimalcomputerperformanceandtohelppreserveBIOSsettings,operateyourDell™portablecomputerwiththemainbatteryinstalledatalltimes.One battery is supplied[...]

 Charge Gauge By either pressing once or pressing and holding the status button on the charge gauge on the battery, you can check: l  Battery charge (check by pressing and releasing the status button) l  Battery health (check by pressing and holding the status button) The battery operating time is largely determined by the number of times [...]

l  Depending on how you set the power management options in the Power Options Properties window or the QuickSet Power Management Wizard, use one of the following methods: ¡  Press the power button. ¡  Close the display. ¡  Press <Fn><Esc>. To exit standby mode, press the power button or open the display depending on how y[...]

To remove the battery:  1. If the computer is connected to a docking device (docked), undock it. See the documentation that came with your docking device for instructions.  2. Ensure that the computer is turned off.  3. Slide the two battery - bay release latches on the bottom of the computer until the latches click.  4. Slide the batte[...]

Back to Contents Page  Using Cards Dell™Latitude™D420User'sGuide  Card Types  Card Blanks  Extended Cards  Installing a PC Card or 34 - mm ExpressCard  Installing a Smart Card or Secure Digital (SD) Card  Removing a PC Card, 34 - mm Express Card, or Blank  Card Types This computer suppo[...]

Installing a PC Card To install a PC Card:  1. Hold the card with its orientation symbol pointing into the slot and the top side of the card facing up. The latch may need to be in the "in" position before you insert the card.  2. Slide the card into the slot until the card is completely seated in its connector. If you encounter too [...]

1. Hold the card so that the gold contact pad is facing upward and pointing toward the smart card slot.  2. Slide the smart card into the smart card slot until the card is completely seated in its connector. The smart card will protrude approximately 1/2 inch from the slot. The smart card slot is located below the PC Card slot. If you encounter [...]

Press the latch and remove the card or blank. For some latches, you must press the latch twice: once to pop the latch out, and then a second time to pop the card out. Back to Contents Page [...]

Back to Contents Page  Using the Display Dell™Latitude™D420User'sGuide  Adjusting Brightness  Switching the Video Image  Setting Display Resolution and Refresh Rate  Dual Independent Display Mode  Swapping Primary and Secondary Displays  Adjusting Brightness WhenaDell™computeris[...]

2. Click Start ® Control Panel ® Display ® Settings .  3. Click the monitor 2 icon ® Extend my Windows desktop onto this monitor ® Apply .  4. Change Screen resolution to the appropriate sizes for both displays and click Apply .  5. If prompted to restart the computer, click Apply the new color setting without restarting ® OK .  6[...]

Back to Contents Page  Finding Information Dell™Latitude™D420User'sGuide NOTE: Some features or media may be optional and may not ship with your computer. Some features or media may not be available in certain countries. NOTE: Additional information may ship with your computer.  What Are You Looking For?  Find It Here [...]

Guides . 2.  Click the User's Guide for your computer in the list of online documentation. l  Service Tag and Express Service Code l  Microsoft Windows License Label  Service Tag and Microsoft ® Windows ® License These labels are located on your computer. l  Use the Service Tag to identify your computer when you use supp[...]

Back to Contents Page  For more information on Dell QuickSet, see Dell™QuickSet . l  How to reinstall my operating system  Operating System CD  NOTE: The Operating System CD may be optional and may not ship with your computer. The operating system is already installed on your computer. To reinstall your operating system, use the Op[...]

Back to Contents Page  Glossary Dell™Latitude™D420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 pow[...]

carnet — An international customs document that facilitates temporary imports into foreign countries. Also known as a merchandise passport . CD — compact disc — An optical form of storage media, typically used for audio and software programs. CD drive — A drive that uses optical technology to read data from CDs. CD player — The software u[...]

 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[...]

heat sink — A metal plate on some processors that helps dissipate heat. help file — A file that contains descriptive or instructional information about a product. Some help files are associated with a particular program, such as Help in Microsoft Word. Other help files function as stand - alone reference sources. Help files typically have a fil[...]

MB/sec — megabytes per second — One million bytes per second. This measurement is typically used for data transfer ratings. 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 be[...]

memory, hard drives, and video. If no problems are detected during POST, the computer continues the start - up. 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, wor[...]

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 connections cannot be protected by surge protectors. Always disconnect the network cable from the network connector during electrical storms. SIM — Subscriber Ide[...]

 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  Getting Help Dell™Latitude™D420User'sGuide  Obtaining Assistance  Problems With Your Order  Product Information  Returning Items for Warranty Repair or Credit  Before You Call  Contacting Dell  Obtaining Assistance  1. Complete the procedures in Troubleshooting[...]

support.jp.dell.com (Japan only) support.euro.dell.com (Europe only) l  Electronic Quote Service apmarketing@dell.com (Asian/Pacific countries only) sales_canada@dell.com (Canada only)  AutoTech Service Dell's automated support service — AutoTech — provides recorded answers to the questions most frequently asked by Dell customers abo[...]

 Before You Call NOTE: Have your Express Service Code ready when you call. The code helps Dell's automated - support telephone system direct your call more efficiently. Remember to fill out the Diagnostics Checklist . If possible, turn on your computer before you call Dell for assistance and call from a telephone at or near the computer. Yo[...]

Sales 0- 810 - 444 - 3355 Aruba General Support toll - free:800 - 1578 Australia (Sydney) International Access Code: 0011 Country Code: 61 City Code: 2 Website: support.ap.dell.com  E- mail: support.ap.dell.com/contactus  General Support 13DELL - 133355 Austria (Vienna) International Access Code: 900 Country Code: 43 City Code: 1 Web[...]

China (Xiamen) Country Code: 86 City Code: 592 Customer Care E - mail: customer_cn@dell.com  Technical Support Fax 5928181350 TechnicalSupport(Dell™Dimension™andInspiron) toll - free:8008582968 TechnicalSupport(OptiPlex™,Latitude™,andDellPrecision™) toll - free:8008580950 Technic[...]

France (Paris) (Montpellier) International Access Code: 00 Country Code: 33 City Codes: (1) (4) Switchboard 0825004700 Switchboard (calls from outside of France) 0499754000 Sales 0825004700 Fax 0825004701 Fax (calls from outside of France) 0499754001 Corporate  Technical Support 0825004[...]

Country Code: 353 City Code: 1 Technical Support for XPS 1850200722 Technical Support for all other Dell computers 1850543543 At - Home - Service — Technical Support Queries 1850200889 General  Fax/Sales Fax 012040103 Switchboard 012044444 U.K. Technical Support (dial within U.K. only) 08703530800 U.K. Custo[...]

Macao Country Code: 853 Technical Support toll - free:0800105 Customer Service (Xiamen, China) 34 160 910 Transaction Sales (Xiamen, China) 29 693 115 Malaysia (Penang) International Access Code: 00 Country Code: 60 City Code: 4 Website: support.ap.dell.com  Technical Support (Dell Precision, OptiPlex, and Latitude) toll - free:1800?[...]

  Sales 800300410or800300411or 800300412or214220710 Fax 214240112 Puerto Rico General Support 1- 800 - 805 - 7545 St. Kitts and Nevis General Support toll - free:1 - 877 - 441 - 4731 St. Lucia General Support 1- 800 - 882 - 1521 St. Vincent and the Grenadines General Support toll [...]

Country Code: 41 City Code: 22 Customer Care (Home and Small Business) 0848802202 Customer Care (Corporate) 0848821721 Fax 0227990190 Switchboard 0227990101 Taiwan International Access Code: 002 Country Code: 886  Website: support.ap.dell.com  E- mail: ap_support@dell.com  Technical Support (OptiPlex, Latitude[...]

Back to Contents Page  Customer Service and Support toll - free:1 - 800 - 456 - 3355 Employee Purchase Program (EPP) Customers toll - free:1 - 800 - 695 - 8133 Dell Sales toll - free:1 - 800 - 289 - 3355 or toll - free:1 - 800 - 879 - 3355 Dell Outlet Store (Dell refurbished computers) toll - free:1 - 888 - 798 - 7561 Software and[...]

Back to Contents Page  Using the Keyboard and Touch Pad Dell™Latitude™D420User'sGuide  Numeric Keypad  Key Combinations  Touch Pad  Fingerprint Reader (optional)  Changing the Track - Stick Cap  Numeric Keypad The numeric keypad functions like the numeric keypad on an external keyboard. Each [...]

Speaker Functions  Power Management  Microsoft ® Windows ® Logo Key Functions To adjust keyboard operation, such as the character repeat rate, open the Control Panel, click Printers and Other Hardware , and click Keyboard . For information about the Control Panel, access the Windows Help and Support Center (see Windows Help and Suppor[...]

 Customizing the Touch Pad and Track Stick You can use the Mouse Properties window to disable the touch pad and track stick or adjust their settings.  1. Click Start ® Control Panel ® Printers and Other Hardware ® Mouse . See the Windows Help and Support Center for information about the Control Panel. To access the Help and Support Center,[...]

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Back to Contents Page  Setting Up a Network Dell™Latitude™D420User'sGuide  Physically Connecting to a Network or Broadband Modem  Network Setup Wizard  Wireless Local Area Network (WLAN)  Mobile Broadband or Wireless Wide Area Network (WWAN)  Dell™Wi - FiCatcher™NetworkLocator[...]

access point or wireless router and the wireless network card in the computer communicate by broadcasting data from their antennas over the airwaves.  What You Need to Establish a WLAN Connection Before you can set up a WLAN, you need: l  High - speed (broadband) Internet access (such as cable or DSL) l  A broadband modem that is connected[...]

 7. Disconnect the AC adapter cable from your wireless router to ensure that there is no power connected to the router.  8. Insert a network cable into the network (RJ - 45) connector on the unpowered broadband modem.  9. Connect the other end of the network cable into the Internet network (RJ - 45) connector on the unpowered wireless rout[...]

2. Under Pick a Help topic , click Dell User and System Guides .  3. Under Device Guides , select the documentation for your wireless network card.  Completing the Connection to the WLAN When you turn on your computer and a network (for which your computer is not configured) is detected in the area, a pop - up appears near the wireless signal[...]

Use the Dell Mobile Broadband Card Utility to establish and manage a Mobile Broadband network connection to the Internet:  1. Click the Dell Mobile Broadband Card Utility icon in the Windows taskbar, to run the utility.  2. Click Connect .  3. Follow the instructions on the screen to manage the network connection with the utility.  Dell[...]

Back to Contents Page  Adding and Replacing Parts Dell™Latitude™D420User'sGuide  Before You Begin This chapter provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that the following conditions exist: l  You have performed the steps in Turning O[...]

 3. Disconnect any telephone or network cables from the computer.  4. Disconnect your computer and all attached devices from their electrical outlets.  5. Remove the battery (see Replacing the Battery ).  6. Press the power button to ground the system board.  Hard Drive  Removing the Hard Drive To remove the hard drive:  1. Fol[...]

 5. Use the pull - tab to disconnect the hard drive cable from the system board connector and remove the hard drive from the computer.  Dismantling the Hard Drive  1. Use your fingers to carefully remove the protective cover from the hard drive.  2. Use a hard drive tool to carefully pry up the ZIF connector that holds the hard drive ca[...]

 Replacing the Hard Drive  1. Follow the steps in Removing the Hard Drive in reverse order.  2. Install the operating system for your computer (see Restoring Your Operating System ").  3. Install the drivers and utilities for your computer (see Reinstalling Drivers and Utilities ).  Hinge Cover  1. Follow the procedures in Be[...]

 4. Ease the hinge cover up, moving from right to left, and remove it.  5. To replace the hinge cover, insert the left edge of the cover into the hinge cover slot, and press from left to right until the cover snaps into place.  Keyboard  1. Follow the procedures in Before You Begin .  2. Remove the hinge cover (see Hinge Cover ). [...]

This computer has one memory module connector labeled "DIMM A." To install a memory module in DIMM A:  1. Follow the procedures in Before You Begin .  2. Turn the computer upside - down, loosen the three captive screws on the memory/mini - card module cover, and remove the cover.  3. Ground yourself by touching one of the metal c[...]

6. Replace the memory/mini - card module cover and tighten the three captive screws.  7. Insert the battery into the battery bay, or connect the AC adapter to your computer and an electrical outlet.  8. Turn on the computer. As the computer boots, it detects the additional memory and automatically updates the system configuration information.[...]

 4. Install the WLAN card: a.  Move any antenna cables out of the way to make space for the WLAN card. b.  Align the WLAN card with the connector at a 45 - degree angle, and press the card down into the securing clips until the card clicks into place. c.  Connect the antenna cables to the antenna connectors on the WLAN card by matching [...]

a.  Disconnect the Mobile Broadband card from any attached cables. b.  Use your fingertips to carefully spread apart the metal securing tabs until the card pops up slightly. c.  Slide and lift the Mobile Broadband card out of its connector.  2. To install a Mobile Broadband card: a.  Move any antenna cables out of the way to make spa[...]

c.  Connect the white antenna cable with the black stripe to the connector on the card marked with a white triangle; connect the black antenna cable with the white stripe to the connector on the card marked with a black triangle.  Subscriber Identity Module (SIM) Card  1. Slide the SIM card out of the SIM card slot with the cut - off corne[...]

 Internal Card With Bluetooth ® Wireless Technology If you ordered an internal card with Bluetooth wireless technology with your computer, it is already installed.  1. Follow the procedures in Before You Begin .  2. Remove the keyboard (see Keyboard ).  3. Remove the M2 x 3 - mm screw from the card holder and lay the holder aside. ?[...]

When you replace the battery, insert it at a 30 - degree angle under the clip with the positive (identified by a plus [+] symbol) side up, and then push it into place. Back to Contents Page  1 cable connector 2 coin - cell battery[...]

Back to Contents Page  Dell™QuickSet Dell™Latitude™D420User'sGuide Dell™QuickSetprovidesyouwitheasyaccesstoconfigureorviewthefollowingtypesofsettings: l  Network connectivity l  Power management l  Display l  System information Dependingonwhatyou?[...]

Back to Contents Page  Securing Your Computer Dell™Latitude™D420User'sGuide  Security Cable Lock  Using Smart Cards  Passwords  Trusted Platform Module (TPM)  Security Management Software  Computer Tracking Software  If Your Computer Is Lost or Stolen  Security Cable Lock Asecu[...]

If you forget any of your passwords, contact your system administrator or contact Dell (see Contacting Dell ). For your protection, Dell support staff will ask you for proof of your identity to ensure that only an authorized person can use the computer.  Using a Primary/System Password The primary (system) password allows you to protect the comp[...]

TPM is a hardware - based security feature that can be used to create and manage computer - generated encryption keys. When combined with security software, the TPM enhances existing network and computer security by enabling features such as file protection capabilities and protected e - mail. The TPM feature is enabled through a system setup optio[...]

 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.  If Your Compute[...]

Back to Contents Page  System Setup Program Dell™Latitude™D420User'sGuide  Overview  Viewing the System Setup Screens  System Setup Screens  Commonly Used Settings  Overview You can use the system setup program as follows to: l  Set or change user - selectable features — for example, your comp[...]

The Boot Sequence page displays a general list of the bootable devices that may be installed in your computer, including but not limited to the following: l  Diskette Drive l  Modular bay HDD l  Internal HDD l  CD/DVD/CD - RW drive During the boot routine, the computer starts at the top of the list and scans each enabled device for the [...]

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Back to Contents Page  Reinstalling Software Dell™Latitude™D420User'sGuide  Drivers  Software and Hardware Incompatibilities  Restoring Your Operating System  Drivers  What Is a Driver? A driver is a program that controls a device such as a printer, mouse, or keyboard. All devices require a driver pro[...]

Using the Drivers and Utilities CD If using Device Driver Rollback or System Restore does not resolve the problem, then reinstall the driver from the Drivers and Utilities CD (also known as the ResourceCD ).  1. Save and close any open files, and exit any open programs.  2. Insert the Drivers and Utilities CD. In most cases, the CD starts run[...]

 Restoring Your Operating System You can restore your operating system in the following ways: l  Microsoft ® Windows ® XP System Restore returns your computer to an earlier operating state without affecting data files. Use System Restore as the first solution for restoring your operating system and preserving data files. l  If you receiv[...]

 Enabling System Restore If you reinstall Windows XP with less than 200 MB of free hard - disk space available, System Restore is automatically disabled. To see if System Restore is enabled:  1. Click Start ® Control Panel ® Performance and Maintenance ® System ® System Restore .  2. Ensure that Turn off System Restore is unchecked. ?[...]

Back to Contents Page  Specifications Dell™Latitude™D420User'sGuide  Processor Processor type Intel ® Yonah L1 cache 32 KB (internal) L2 cache 2 MB External bus frequency 533  SystemInformation System chipset Intel 945GMS Data bus width 64 bits DRAM bus width 64 bits Processor address bus width 32 bits [...]

 Communications Modem:  Type v.92 56K MDC Controller softmodem Interface Intel High - Definition Audio Network adapter 10/100/1000 Ethernet LAN on system board Wireless internal PCI - e Mini - Card WLAN support; Bluetooth ® wireless technology support; WWAN support via Mini - Card  Video Video type Intel Integrated UMA Graphics Data[...]

 Fingerprint Reader (optional) Type UPEKTCS3TouchStrip™ strip sensor with CMOS active capacitive pixel - sensing technology Power Supply 2.7 V to approx. 3.6 V Connector 48 - ball BGA Array Size 248 x 2 pixels Type UPEKTCS3TouchStrip™stripsensorwithCMOS active capacitive pixel - sensing technology  TouchPa[...]

Back to Contents Page  Width 60.9 mm (2.39 inches) Depth 153.42 mm (6.04 inches) Weight (with cables) 0.46 kg (1.01 lb) Temperature range:  Operating 0°to35°C(32°to95°F) Storage – 40°to60°C( – 40°to140°F)  Physical Height 2.5 cm (1.0 inches) Width 29.5 cm (11.6 inches) Depth 20.98 cm (8.26 in[...]

Back to Contents Page Dell™Latitude™D420User'sGuide For information on other documentation included with your computer, see Finding Information .  Notes, Notices, and Cautions  Abbreviations and Acronyms For a complete list of abbreviations and acronyms, see Glossary . IfyoupurchasedaDell™nSeriescom[...]

Back to Contents Page  Transferring Information to a New Computer Dell™Latitude™D420User'sGuide  Running the Files and Settings Transfer Wizard With the Operating System CD  Running the Files and Settings Transfer Wizard Without the Operating System CD The Microsoft ® Windows ® XP operating system provides a[...]

1. On the Now go to your old computer screen on the new computer, click Next .  2. On the Where are the files and settings? screen, select the method you chose for transferring your settings and files and click Next . The wizard reads the collected files and settings and applies them to your new computer. When all of the settings and files have [...]

Back to Contents Page  NOTE: For more information about this procedure, search support.dell.com for document #PA1089586 (How Do I Transfer Files From My Old Computer to My New Dell Computer Using the Microsoft ® Windows ® XP Operating System?). NOTE: AccesstotheDell™KnowledgeBasedocumentmaynotbeavailable?[...]

Back to Contents Page  Traveling With Your Computer Dell™Latitude™D420User'sGuide  Identifying Your Computer  Packing the Computer  Travel Tips  Identifying Your Computer l  Attach a name tag or business card to the computer. l  Write down your Service Tag and store it in a safe place away from the[...]

Back to Contents Page [...]

Back to Contents Page  Troubleshooting Dell™Latitude™D420User'sGuide   Dell Technical Update Service The Dell Technical Update service provides proactive e - mail notification of software and hardware updates for your computer. The service is free and can be customized for content, format, and how frequently you rec[...]

The computer runs the Pre - boot System Assessment, a series of initial tests of your system board, keyboard, hard drive, and display. l  During the assessment, answer any questions that appear. l  If a failure is detected, the computer stops and beeps. To stop the assessment and restart the computer, press <Esc>; to continue to the nex[...]

 4. When the tests are completed, if you are running the Dell Diagnostics from the Drivers and Utilities CD , remove the CD.  5. When the tests are complete, close the test screen to return to the Main Menu screen. To exit the Dell Diagnostics and restart the computer, close the Main Menu screen.  Dell Support Utility The Dell Support Util[...]

 Ensure that Microsoft ® Windows ® recognizes the drive — Click the Start button and click My Computer . If the floppy, CD, or DVD drive, is not listed, perform a full scan with your antivirus software to check for and remove viruses. Viruses can sometimes prevent Windows from recognizing the drive.  Test the drive — l  Insert [...]

3.  Click Properties ® Tools ® Check Now . 4.  Click Scan for and attempt recovery of bad sectors ® Start .  E- Mail, Modem, and Internet Problems  Check the Microsoft Outlook ® Express Security Settings — If you cannot open your e - mail attachments: 1.  In Outlook Express, click Tools ® Options ® Security . 2.  Click [...]

Cache disabled due to failure — The primary cache internal to the microprocessor has failed. Contact Dell (see Contacting Dell ).  CD drive controller failure — The CD drive does not respond to commands from the computer (see Dell Support Utility ).  Data error — The hard drive cannot read the data that it is attempting to read (see Del[...]

 Keyboard data line failure — For external keyboards, check the cable connection. Run the Keyboard Controller test in the Dell Diagnostics (see Dell Diagnostics ).  Keyboard stuck key failure — For external keyboards or keypads, check the cable connection. Restart the computer, and avoid touching the keyboard or keys during the boot routi[...]

 Shutdown failure — A chip on the system board may be malfunctioning. Run the System Set tests in the Dell Diagnostics (see Dell Diagnostics ).  Time - of - day clock lost power — System configuration settings are corrupted. Connect your computer to an electrical outlet to charge the battery. If the problem persists, try to restore the da[...]

Check the external keyboard — 1.  Shut down the computer, wait 1 minute, and turn it on again. 2.  Verify that the numbers, capitals, and scroll lock lights on the keyboard blink during the boot routine. 3.  From the Windows desktop, click Start ® All Programs ® Accessories ® Notepad . 4.  Type some characters on the external keybo[...]

Run the Program Compatibility Wizard — The Program Compatibility Wizard configures a program so it runs in an environment similar to non - Windows XP operating system environments. 1.  Click Start ® All Programs ® Accessories ® Program Compatibility Wizard ® Next . 2.  Follow the instructions on the screen.  A solid blue screen appea[...]

Check the network cable connector — Ensure that the network cable is firmly inserted into both the network connector on the back of the computer and the network connector.  Check the network lights on the network connector — No light indicates that no network communication exists. Replace the network cable.  Restart the computer and log o[...]

 If you have problems with a Dell - provided Card — Contact Dell (see Contacting Dell ).  If you have problems with a Card not provided by Dell — Contact the card manufacturer.  Power Problems Fill out the Diagnostics Checklist (see Diagnostics Checklist ) as you complete these checks.  Check the power light — When the power light[...]

normal computer operation is not possible on battery power alone. Ensure that the AC adapter is connected to your computer when the computer is docked to a docking device.  Docking While the Computer Is Running If your computer is connected to the Dell D/Port while the computer is running, presence of the docking device is ignored until the AC a[...]

Reinstall the scanner driver — See the scanner documentation for instructions.  Sound and Speaker Problems Fill out the Diagnostics Checklist (see Diagnostics Checklist ) as you complete these checks.  No sound from integrated speakers  Adjust the Windows volume control — Double - click the speaker icon in the lower - right corner of y[...]

2.  Try adjusting the settings.  Check the mouse cable — Shut down the computer. Disconnect the mouse cable, check it for damage, and firmly reconnect the cable. If you are using a mouse extension cable, disconnect it and connect the mouse directly to the computer.  To verify that the problem is with the mouse, check the touch pad — 1.[...]

Move the external subwoofer away from the computer or monitor — If your external speaker system includes a subwoofer, ensure that the subwoofer is at least60cm(2ft)awayfromthecomputerorexternalmonitor.  Eliminate possible interference — Turn off nearby fans, fluorescent lights, halogen lamps, or other applian[...]