Dell FX160 manual After Working on Your Computer

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5. If applicable, remove the computer stand (see Removing the Computer Stand).

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

6. Remove the computer cover (see Removing the Computer Cover).

After Working on Your Computer

After you complete any replacement procedures, ensure you connect any external devices, cards, cables, etc. before turning on your computer.

1.Replace the computer cover (see Replacing the Computer Cover).

2.Replace the computer stand (see Replacing the Computer Stand).

CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the computer

3.Connect a network cable to your computer, if necessary.

4.Connect your computer and all attached devices to their electrical outlets.

5.Turn on your computer.

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Contents Model DC01T September 2008 Rev. A00 Replacing the Antenna Antenna Removing the Antenna Page Before Working on Your Computer Working on Your ComputerRecommended Tools After Working on Your Computer Replacing the Cable Guide Cable GuideRemoving the Cable Guide Replacing the Coin-Cell Battery Coin-Cell BatteryRemoving the Coin-Cell Battery Replacing the Computer Cover CoversRemoving the Computer Cover Replacing the Side Cover Removing the Side CoverPeg Peg retainer Side cover hooks Side cover hook slots2 Finding Information Replacing the Hard Drive Bracket Assembly Hard Drive Assembly OptionalRemoving the Hard Drive Bracket Assembly Replacing the Hard Drive Removing the Hard DriveReplacing the Hard Drive Fan Removing the Hard Drive FanReplacing the Processor Heatsink Assembly Processor Heatsink AssemblyRemoving the Processor Heatsink Assembly Page DellConnect Online Services Technical Support and Customer ServiceGetting Help Obtaining AssistanceAutoTech Service Problems With Your OrderAutomated Order-Status Service Mobilesupport@us.dell.com Support@us.dell.comContacting Dell Before You CallReplacing the I/O Board BoardRemoving the I/O Board Cable guide metal tab Metal clip Replacing a Memory Module MemoryRemoving a Memory Module Page Replacing the Nvram Module Nvram ModuleRemoving the Nvram Module Back to Contents Replacing the Power Supply Power SupplyRemoving the Power Supply Page Reinstalling Drivers and Utilities Reinstalling SoftwareDrivers Identifying DriversClick the Drivers tab→ Roll Back Driver Manually Reinstalling DriversStarting System Restore Re-imaging Operating Systems Installed on NvramUndoing the Last System Restore Windows Vista Only Restoring Your Operating SystemReinstalling Windows XP or Windows Vista User Accounts and PasswordsBefore you Begin Click Start → Control PanelClick Control Panel → User Accounts Click Administrative Tools → UserManagerClick User Accounts Replacing the Computer Stand Computer StandRemoving the Computer Stand Removing the System Board Assembly System Board AssemblySystem Board Connectors Replacing the System Board Perform the procedure in After Working on Your Computer Entering the Bios Setup Utility System SetupBios Setup Utility Screens Bios Setup Utility OptionsBoot Sequence Setup LockSelect Specific Boot Device Clearing Forgotten PasswordsChanging Boot Sequence for Future Boots Click Save this program to disk, and then click OK Clearing Cmos SettingsFlashing the Bios Back to Contents Back to Contents Power Lights TroubleshootingDiagnostic Lights Diagnostic Light Codes During PostBeep Codes Code Description Suggested Resolution Repetitive Short beepsSystem Messages Replace the battery see Replacing the Coin-Cell BatteryWhen to Use the Dell Diagnostics Dell DiagnosticsStarting the Dell Diagnostics From Your Hard Drive Hardware TroubleshooterPage Option Function Dell Diagnostics Main MenuBattery Problems Solving ProblemsDrive Problems Tab FunctionProblems writing to an optical drive Optical drive problems optional, externalHard drive problems Adjust the Windows volume controlError Messages Mail and Internet ProblemsClick Properties→ Tools→ Check Now Click Start→ Control Panel→ Add or Remove ProgramsLockups and Software Problems Keyboard ProblemsComputer does not start up Computer stops respondingProgram crashes repeatedly Other software problemsProgram is designed for an earlier Windows operating system Solid blue screen appearsMouse Problems Memory ProblemsClick Start → Control Panel→ Hardware and Sound→ Mouse Network ProblemsPower Problems Verify that the printer is recognized by Windows Printer ProblemsDouble-clickPrinters and Faxes Click Start → Control Panel→ Hardware and Sound→ PrinterSound and Speaker Problems Scanner ProblemsNo sound from speakers Verify that the scanner is recognized by Microsoft WindowsNo sound from headphones Video and Monitor ProblemsCheck the monitor power light Dell Technical Update ServiceCheck the diagnostic lights See Diagnostic Lights Screen is blank Screen is difficult to readPage Enabling Selective USB Use the Onboard Devices screen to enable Selective USBSelective USB Replacing the Wireless Card Wireless CardRemoving the Wireless Card