Dell MTC2, G7279, DMC manual Keyboard Problems, Mouse Problems

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Keyboard Problems

RESTART THE COMPUTER —

•If the mouse is functioning, shut down the computer through the Start menu (see page 13). After the computer shuts down, press the power button to restart the computer.

•If the computer does not respond to a keystroke or the mouse, press the power button for at least 8 to 10 seconds until the computer turns off. Press the power button again to restart the computer.

CHECK THE KEYBOARD CABLE —

•Ensure that the keyboard cable is firmly connected to the computer.

•Shut down the computer (see page 13), reconnect the keyboard cable as shown on the setup diagram for your computer, and then restart the computer.

•Check the cable connector for bent or broken pins and for damaged or frayed cables. Straighten bent pins.

•Remove keyboard extension cables and connect the keyboard directly to the computer.

TEST THE KEYBOARD — Connect a properly working keyboard to the computer, and try using the keyboard. If the new keyboard works, the original keyboard is faulty.

CHECK FOR INTERRUPT REQUEST CONFLICTS — See page 49.

Mouse Problems

RESTART THE COMPUTER —

1 Simultaneously press <Ctrl><Esc> to display the Start menu.

2 Type u, press the keyboard arrow keys to highlight Shut down or Turn Off, and then press <Enter>.

3 After the computer turns off, press the power button to restart the computer.

IF YOU CONNECTED THE MOUSE BEFORE TURNING ON THE COMPUTER, RECONNECT THE MOUSE CABLE — 1 Simultaneously press <Ctrl><Esc> to display the Start menu.

2 Type u, press the keyboard arrow keys to highlight Shut down or Turn Off, and then press <Enter>.

3 After the computer turns off, reconnect the mouse cable as shown on the setup diagram for your computer.

4 Start the computer.

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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 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 CableConnecting a USB Printer Parallel connector on computerScrews Clips Parallel printer Cable Notches Setting Up a Home and Office Network Connecting to a Network AdapterUSB connector on computer Click Checklist for creating a network Connecting to the InternetNetwork Setup Wizard Network wall jack Network cableSetting Up Your Internet Connection Click Connect to the InternetIf you have a CD, click Use the CD I got from an ISP Copying CDs and DVDs How to Copy a CD or DVDUsing Blank CD-Rs and CD-RWs Click Exact CopyHyper-Threading Helpful TipsClick Hardware and click Device Manager Booting to a USB Device Turning Off Your ComputerTurn 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 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 responding Program crashes repeatedly Other software problems Program stops responding Solid blue screen appearsOther technical problems General hardware problemsIeee 1394 Device Problems Keyboard Problems Mouse ProblemsNetwork Problems Power Problems Network integritySpeed light Printer Problems Scanner Problems Sound and Speaker Problems No sound from speakersVideo and Monitor Problems No sound from headphonesIf the screen is blank If the screen is difficult to read Solving Problems Diagnostic Lights Light Pattern Problem Description Suggested ResolutionAdvanced Troubleshooting 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 DiagnosticsDell Diagnostics Main Menu Option FunctionTab 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 Front and Back View of the Computer Front ViewOn 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 bracketCard Card cutout CrossbarNot fully seated card Fully seated card Bracket 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 Existing hard drive ScrewsDrive bracket Drive bracket Adding a Floppy Drive Side hinges Front panel Top tab Middle 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 Memory Installation Guidelines Adding MemoryDDR Memory Overview Installing Memory Securing clips Connector NotchReplacing the Computer Cover Expansion Bus SpecificationsSystem Information AppendixOther factors Ports and ConnectorsMemory DrivesAudio PowerVideo NetworkSystem Setup OverviewEnvironmental Viewing Settings System Setup ScreensKeys Action Boot Sequence Option SettingsChanging Boot Sequence for the Current Boot 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 107Index Help files accessing, 9 Compatibility, 27 restore to previous operating108 Index Wizard, 27 reinstalling, 47 scanner, 34 System Restore Wizards Program Compatibility WizardIndex 109 Index 110