Dell DMC, MTC2, G7279 manual Replacing the Battery

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9After the Microsoft Windows desktop appears on your computer, shut down the computer through the Start menu (see page 18).

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.

10Turn off any attached devices and disconnect them from their electrical outlets.

11Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.

12Remove the computer cover (see page 78).

13Remove the password jumper.

Attach the jumper to only one pin so that you do not lose it.

14Replace the computer cover (see page 78).

NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.

15Connect your computer and devices to electrical outlets, and turn them on.

16If you are prompted to press <F1> to continue, press <F1>.

Replacing the Battery

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.

CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.

A coin-cell battery maintains computer configuration, date, and time information. The battery can last several years.

If you have to repeatedly reset time and date information after turning on the computer, replace the battery.

CAUTION: A new battery can explode if it is incorrectly installed. Replace the

3-V CR2032 battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer’s instructions.

1Record all the screens in system setup (see page 82) so that you can restore the correct settings when your perform step 11.

2Shut down the computer through the Start menu (see page 18).

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.

3Turn off any attached devices and disconnect them from their electrical outlets.

4Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.

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Appendix

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Contents W . d e l l . c o m s u p p o r t . d e l l . c o m Abbreviations and Acronyms Contents Mail, Modem, and Internet Problems Program is designed for an earlier Microsoft WindowsResolving Software and Hardware Incompatibilities Advanced TroubleshootingUsing Microsoft Windows XP System Restore Adding or Replacing a Second Hard DriveAppendix Safety Instructions Safety InstructionsW . d e l l . c o m s u p p o r t . d e l l . c o m Finding Information for Your Computer Microsoft Windows License LabelOnline courses Downloads Drivers, patches, and software updatesSupport questions Technical supportSetting Up and Using Your Computer Setting Up a PrinterConnecting a Parallel Printer Printer CableScrews Clips Parallel printer Cable Notches Connecting a USB PrinterParallel connector on computer USB connector on computer Setting Up a Home and Office NetworkConnecting to a Network Adapter Click Checklist for creating a network Connecting to the InternetNetwork Setup Wizard Network wall jack Network cableIf you have a CD, click Use the CD I got from an ISP Setting Up Your Internet ConnectionClick Connect to the Internet Copying CDs and DVDs How to Copy a CD or DVDUsing Blank CD-Rs and CD-RWs Click Exact CopyClick Hardware and click Device Manager Hyper-ThreadingHelpful Tips Turn Off Computer Turn off computer window, click Turn off Booting to a USB DeviceTurning Off Your Computer Finding Solutions Solving ProblemsW . d e l l . c o m s u p p o r t . d e l l . c o m See Floppy drive problems Battery ProblemsDrive Problems Finding Help InformationCD drive problems Back of floppy disk Write-protected Not write- protectedProblems writing to a CD-RW drive DVD drive problemsMail, Modem, and Internet Problems Hard drive problemsError Messages General Problems Computer stops respondingProgram crashes repeatedly Other software problemsProgram stops responding Solid blue screen appearsOther technical problems General hardware problemsIeee 1394 Device Problems Keyboard Problems Mouse ProblemsNetwork Problems Speed light Power ProblemsNetwork integrity Printer Problems Scanner Problems Sound and Speaker Problems No sound from speakersIf the screen is blank Video and Monitor ProblemsNo sound from headphones If the screen is difficult to read Solving Problems Advanced Troubleshooting Diagnostic LightsLight Pattern Problem Description Suggested Resolution If available, install properly Identified a faulty module orError If the problem persists, contactYou have identified a faulty If the problem persists orDifferent connector and restart Connector or reinstalled allMemory module/memory Connector placementThat you are installing are Requirements seeDell Diagnostics Starting the Dell DiagnosticsTab Function Dell Diagnostics Main MenuOption Function Drivers What Is a Driver?Reinstalling Drivers Identifying DriversRestoring Your Operating System Using Windows XP Device Driver RollbackManually Reinstalling Drivers Click Roll Back DriverClick System Restore Using Microsoft Windows XP System RestoreCreating a Restore Point Restoring the Computer to an Earlier Operating StateUsing Dell PC Restore by Symantec Click the System Restore tab Enabling System RestoreClick Performance and Maintenance Click Performance and Maintenance and click SystemAdvanced Troubleshooting On computers with an optional floppy drive Adding Parts Front and Back View of the ComputerFront View Computer. Instead, perform an operating system shutdown Back View Network jack Removing the Computer Cover GuideComputer cover Cover latch Back of computer Looking Inside Your Computer System Board Adding Cards Securing screw Filler bracketNot fully seated card Fully seated card Bracket Card Card cutoutCrossbar Adding or Replacing the AGP Card PCI connector Installing an AGP CardNotch Lever Tab Card clip AGP connector AGP card Card clip lever Slot connectorAdding or Replacing a Second Hard Drive Drive bracket Existing hard driveScrews Drive bracket Adding a Floppy Drive Bottom tab Side hinges Front panel Top tabMiddle tab Tabs Insert Top bracket screw Drive bracket Floppy drive Side hinges Front panel Adding a Second CD or DVD Drive Bottom tab Adding Parts Insert Tabs Drive Alignment screwsDrive Securing screw Side hinges Front panel DDR Memory Overview Memory Installation GuidelinesAdding Memory Installing Memory Securing clips Connector NotchReplacing the Computer Cover Expansion Bus SpecificationsSystem Information AppendixOther factors Ports and ConnectorsMemory DrivesAudio PowerVideo NetworkEnvironmental System SetupOverview Keys Action Viewing Settings System Setup Screens Changing Boot Sequence for the Current Boot Boot SequenceOption Settings Clearing Forgotten Passwords Changing Boot Sequence for Future BootsReplacing the Battery Battery Battery socket FCC Notices U.S. Only Definition of Dell-Installed Software and PeripheralsDell Technical Support Policy U.S. Only Definition of Third-Party Software and PeripheralsClass a Class B Contacting Dell FCC Identification InformationAppendix Appendix Appendix Appendix Appendix Appendix Appendix Area Codes Local Numbers, Toll-Free Numbers Appendix 100 101 102 103 104 105 106 Index Index 107108 Index Index Help files accessing, 9Compatibility, 27 restore to previous operating Index 109 Wizard, 27 reinstalling, 47 scanner, 34 System RestoreWizards Program Compatibility Wizard Index 110