Dell G7279, MTC2, DMC manual Network Problems

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IF YOU CONNECTED THE MOUSE AFTER TURNING ON THE COMPUTER, REMOVE THE POWER CABLE, AND THEN

RECONNECT THE MOUSE CABLE — If the mouse is connected after the power is turned on, the mouse appears to be nonfunctional. To make the mouse function properly:

1 While your computer is on, remove the power cable from the back of the computer. 2 Connect the mouse to the computer.

3 Reconnect the power cable.

4 Turn on your computer.

Pressing the power button does not clear the computer’s settings and does not restore mouse functionality.

CHECK THE MOUSE CABLE —

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

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

TEST THE MOUSE — Connect a properly working mouse to the computer, and try using the mouse. If the new mouse works, the original mouse was faulty.

CHECK THE MOUSE SETTINGS —

1 Click the Start button, click Control Panel, and then click Printers and Other Hardware. 2 Click Mouse.

3 Try adjusting the settings.

REINSTALL THE MOUSE DRIVER — See page 45.

CHECK FOR INTERRUPT REQUEST CONFLICTS — See page 49.

Network Problems

CHECK THE NETWORK CABLE CONNECTOR — Ensure that the network cable is connected as shown on page 14.

CHECK THE NETWORK LIGHTS ON THE BACK OF THE COMPUTER — No light indicates that no network communication exists. Replace the network cable.

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 Program is designed for an earlier Microsoft Windows Mail, Modem, and Internet ProblemsAdding or Replacing a Second Hard Drive Advanced TroubleshootingUsing Microsoft Windows XP System Restore Resolving Software and Hardware IncompatibilitiesAppendix 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 Microsoft Windows License Label Finding Information for Your ComputerTechnical support Downloads Drivers, patches, and software updatesSupport questions Online coursesPrinter Cable Setting Up a PrinterConnecting a Parallel Printer Setting Up and Using Your ComputerParallel 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 Network wall jack Network cable Connecting to the InternetNetwork Setup Wizard Click Checklist for creating a networkClick Connect to the Internet Setting Up Your Internet ConnectionIf you have a CD, click Use the CD I got from an ISP Click Exact Copy How to Copy a CD or DVDUsing Blank CD-Rs and CD-RWs Copying CDs and DVDsHelpful 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 Solving Problems Finding SolutionsW . d e l l . c o m s u p p o r t . d e l l . c o m See Finding Help Information Battery ProblemsDrive Problems Floppy drive problemsBack of floppy disk Write-protected Not write- protected CD drive problemsDVD drive problems Problems writing to a CD-RW driveHard drive problems Mail, Modem, and Internet ProblemsError Messages Computer stops responding General ProblemsSolid blue screen appears Other software problemsProgram stops responding Program crashes repeatedlyGeneral hardware problems Other technical problemsIeee 1394 Device Problems Mouse Problems Keyboard ProblemsNetwork Problems Network integrity Power ProblemsSpeed light Printer Problems Scanner Problems No sound from speakers Sound and Speaker ProblemsNo 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 If the problem persists, contact Identified a faulty module orError If available, install properlyConnector or reinstalled all If the problem persists orDifferent connector and restart You have identified a faultyRequirements see Connector placementThat you are installing are Memory module/memoryStarting the Dell Diagnostics Dell DiagnosticsOption Function Dell Diagnostics Main MenuTab Function Identifying Drivers What Is a Driver?Reinstalling Drivers DriversClick Roll Back Driver Using Windows XP Device Driver RollbackManually Reinstalling Drivers Restoring Your Operating SystemRestoring the Computer to an Earlier Operating State Using Microsoft Windows XP System RestoreCreating a Restore Point Click System RestoreUsing Dell PC Restore by Symantec Click Performance and Maintenance and click System Enabling System RestoreClick Performance and Maintenance Click the System Restore tabAdvanced 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 Guide Removing the Computer CoverComputer cover Cover latch Back of computer Looking Inside Your Computer System Board Securing screw Filler bracket Adding CardsCrossbar Card Card cutoutNot fully seated card Fully seated card Bracket Adding or Replacing the AGP Card AGP card Card clip lever Slot connector Installing an AGP CardNotch Lever Tab Card clip AGP connector PCI 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 Drive Alignment screws Insert TabsDrive Securing screw Side hinges Front panel Adding Memory Memory Installation GuidelinesDDR Memory Overview Installing Memory Notch Securing clips ConnectorReplacing the Computer Cover Appendix SpecificationsSystem Information Expansion BusDrives Ports and ConnectorsMemory Other factorsNetwork PowerVideo AudioOverview System SetupEnvironmental System Setup Screens Viewing SettingsKeys Action Option Settings Boot SequenceChanging Boot Sequence for the Current Boot Changing Boot Sequence for Future Boots Clearing Forgotten PasswordsReplacing the Battery Battery Battery socket Definition of Third-Party Software and Peripherals Definition of Dell-Installed Software and PeripheralsDell Technical Support Policy U.S. Only FCC Notices U.S. OnlyClass a Class B FCC Identification Information Contacting DellAppendix Appendix Appendix Appendix Appendix Appendix Appendix Area Codes Local Numbers, Toll-Free Numbers Appendix 100 101 102 103 104 105 106 Index 107 IndexCompatibility, 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