Dell G7279, MTC2, DMC manual Installing Memory

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NOTICE: If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules that you may have, even if you purchased the new modules from Dell. You should install your original memory modules in pairs either in connectors DIMM1 and DIMM2 or connectors DIMM3 and DIMM4. If possible, do not pair an original memory module with a new memory module. Otherwise, your computer may not function at optimal performance.

NOTE: Memory purchased from Dell is covered under your computer warranty.

Installing Memory

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

1Shut down the computer through the Start menu (see page 18).

2Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.

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

3Disconnect any telephone or telecommunication lines from the computer.

4Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.

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

5Remove the computer cover (see page 55).

6Lay the computer on its side so that the system board is on the bottom of the inside of the computer.

NOTE: For easier access to the memory modules, remove the AGP card (see page 62) first.

7If necessary, remove a memory module:

a Press out the securing clip at each end of the memory module connector.

bGrasp the module and pull up.

If the module is difficult to remove, gently ease the module back and forth to remove it from the connector.

8To insert a module, press out the securing clip at each end of the memory module connector.

Adding Parts

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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 WindowsAdvanced Troubleshooting Using Microsoft Windows XP System RestoreResolving Software and Hardware Incompatibilities 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 LabelDownloads Drivers, patches, and software updates Support questionsOnline courses Technical supportSetting Up a Printer Connecting a Parallel PrinterSetting Up and Using Your Computer Printer CableParallel connector on computer Connecting a USB PrinterScrews Clips Parallel printer Cable Notches Connecting to a Network Adapter Setting Up a Home and Office NetworkUSB connector on computer Connecting to the Internet Network Setup WizardClick Checklist for creating a network Network wall jack Network cableClick Connect to the Internet Setting Up Your Internet ConnectionIf you have a CD, click Use the CD I got from an ISP How to Copy a CD or DVD Using Blank CD-Rs and CD-RWsCopying CDs and DVDs Click Exact CopyHelpful Tips Hyper-ThreadingClick Hardware and click Device Manager Turning Off Your Computer Booting to a USB DeviceTurn Off Computer Turn off computer window, click Turn off 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 Battery Problems Drive ProblemsFloppy drive 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 respondingOther software problems Program stops respondingProgram crashes repeatedly Solid blue screen appearsOther technical problems General hardware problemsIeee 1394 Device Problems Keyboard Problems Mouse ProblemsNetwork Problems Network integrity Power ProblemsSpeed light Printer Problems Scanner Problems Sound and Speaker Problems No sound from speakersNo sound from headphones Video and Monitor ProblemsIf the screen is blank If the screen is difficult to read Solving Problems Light Pattern Problem Description Suggested Resolution Diagnostic LightsAdvanced Troubleshooting Identified a faulty module or ErrorIf available, install properly If the problem persists, contactIf the problem persists or Different connector and restartYou have identified a faulty Connector or reinstalled allConnector placement That you are installing areMemory module/memory Requirements seeDell Diagnostics Starting the Dell DiagnosticsOption Function Dell Diagnostics Main MenuTab Function What Is a Driver? Reinstalling DriversDrivers Identifying DriversUsing Windows XP Device Driver Rollback Manually Reinstalling DriversRestoring Your Operating System Click Roll Back DriverUsing Microsoft Windows XP System Restore Creating a Restore PointClick System Restore Restoring the Computer to an Earlier Operating StateUsing Dell PC Restore by Symantec Enabling System Restore Click Performance and MaintenanceClick the System Restore tab Click Performance and Maintenance and click SystemAdvanced Troubleshooting Front View Front and Back View of the ComputerOn computers with an optional floppy drive Adding Parts 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 bracketCrossbar Card Card cutoutNot fully seated card Fully seated card Bracket Adding or Replacing the AGP Card Installing an AGP Card Notch Lever Tab Card clip AGP connectorPCI connector AGP card Card clip lever Slot connectorAdding or Replacing a Second Hard Drive Screws Existing hard driveDrive bracket Drive bracket Adding a Floppy Drive Middle tab Side hinges Front panel Top tabBottom 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 Adding Memory Memory Installation GuidelinesDDR Memory Overview Installing Memory Securing clips Connector NotchReplacing the Computer Cover Specifications System InformationExpansion Bus AppendixPorts and Connectors MemoryOther factors DrivesPower VideoAudio NetworkOverview System SetupEnvironmental System Setup Screens Viewing SettingsKeys Action Option Settings Boot SequenceChanging Boot Sequence for the Current Boot Clearing Forgotten Passwords Changing Boot Sequence for Future BootsReplacing the Battery Battery Battery socket Definition of Dell-Installed Software and Peripherals Dell Technical Support Policy U.S. OnlyFCC Notices 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 107Compatibility, 27 restore to previous operating Index Help files accessing, 9108 Index Wizards Program Compatibility Wizard Wizard, 27 reinstalling, 47 scanner, 34 System RestoreIndex 109 Index 110