Dell G7279, MTC2, DMC CD drive problems, Back of floppy disk Write-protected Not write- protected

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TEST THE DRIVE

Insert another disk to eliminate the possibility that the original floppy disk is defective.

Insert a bootable floppy disk and reboot the computer.

ENSURE THAT THE DISK IS NOT FULL OR WRITE-PROTECTED Ensure that the disk has available space and that it is not write-protected (locked). See the following figure.

back of floppy disk

write-protected

not write- protected

NOTICE: Do not attempt to clean drive heads with a swab. You may accidentally misalign the heads, which can render the drive inoperable.

CLEAN THE DRIVE Use a commercially available cleaning kit.

CD drive problems

NOTE: High-speed CD drive vibration is normal and may cause noise, which does not indicate a defect in the drive or the CD.

ADJUST THE WINDOWS VOLUME CONTROL Click the speaker icon in the lower-right corner of your screen.

Ensure that the volume is turned up by clicking the slidebar and dragging it up.

Ensure that the sound is not muted by clicking any boxes that are checked.

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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 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 Click Checklist for creating a network Connecting to the InternetNetwork Setup Wizard 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 Copying CDs and DVDs How to Copy a CD or DVDUsing Blank CD-Rs and CD-RWs 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 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 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 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 DiagnosticsOption Function Dell Diagnostics Main MenuTab 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 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 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 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 Expansion Bus SpecificationsSystem Information AppendixOther factors Ports and ConnectorsMemory DrivesAudio PowerVideo 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 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 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