Dell DMC, MTC2, G7279 manual Power Problems, Network integrity, Speed light

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network integrity/	activity light
speed light

RESTART THE COMPUTER AND TR Y TO LOG ON TO THE NETWORK AGAIN

CHECK YOUR NETWORK SETTINGS — Contact your network administrator or the person who set up your network to verify that your network settings are correct and that the network is functioning.

CHECK FOR INTERRUPT REQUEST CONFLICTS — See page 49.

Power Problems

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

ADJUST THE POWER PROPERTIES — Your computer may be in standby or hibernate mode. For information on power conservation modes, see the Tell Me How help file, or search for the keyword standby or hibernate in Windows® Help. To access help files, see page 21.

IF THE POWER LIGHT IS BLINKING GREEN — The computer is in standby mode. Press a key on the keyboard or move the mouse to resume normal operation.

IF THE POWER LIGHT IS OFF — The computer is either turned off or is not receiving power.

•Reseat the power cable into both the power connector on the back of the computer and the electrical outlet.

•If the computer is plugged into a power strip, ensure that the power strip is plugged into an electrical outlet and that the power strip is turned on.

•Ensure that the electrical outlet is working by testing it with another device, such as a lamp.

•Bypass power protection devices, power strips, and power extension cables to verify that the computer turns on.

•Ensure that the main power cable is securely connected to the system board.

•Ensure that the front panel cable is securely connected to the system board.

•If the problem persists, contact Dell (see page 90).

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Solving Problems

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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 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 Connecting to the Internet Network Setup WizardClick Checklist for creating a network 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 How to Copy a CD or DVD Using Blank CD-Rs and CD-RWsCopying CDs and DVDs 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 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 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 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 DiagnosticsTab Function Dell Diagnostics Main MenuOption 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 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 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 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 Specifications System InformationExpansion Bus AppendixPorts and Connectors MemoryOther factors DrivesPower VideoAudio NetworkEnvironmental System SetupOverview Keys Action Viewing SettingsSystem 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 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 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