Dell FX160 manual Replacing the System Board

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8.Disconnect the I/O board cables from the system board.

9.Disconnect the 12V power supply connector from the system board (see System Board Connectors).

10.Remove the cable guide (see Removing the Cable Guide).

11.Remove the two screws on the back corners of the system board that secure it to the chassis.

1	cable guide retaining screw	2	system board retaining screw (2)

NOTE: When removing the system board from the chassis, the thermal gap pad between the chassis and the processor may not allow the system board to lift out freely. You may have to break the bond between the gap pad and the bottom of the system board. Keep the gap pad with the chassis.

12. Carefully lift the front edge of the system board remove the board from the chassis.

Replacing the System Board

1.Move the system board into the chassis at about a 30-degree angle, aligning the connectors on the back edge of the board with the cutouts on the back panel, then lower the system board into place.

2.Replace the cable guide (see Replacing the Cable Guide).

3.Replace the two screws on the back corners of the system board that secure it to the chassis (see System Board Connectors).

4.Connect the 12V power supply connector to the system board.

5.Replace the I/O board (see Replacing the I/O Board).

6.Connect the I/O board cables to the system board.

7.Replace the cable guide (see Replacing the Cable Guide)

8.Replace the memory module(s) (see Replacing a Memory Module).

9.Replace the wireless card if it was removed (see Replacing the Wireless Card).

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Contents Model DC01T September 2008 Rev. A00 Replacing the Antenna AntennaRemoving 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 Obtaining Assistance Technical Support and Customer ServiceDellConnect Online Services Getting HelpMobilesupport@us.dell.com Support@us.dell.com Problems With Your OrderAutoTech Service Automated Order-Status ServiceContacting 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 Identifying Drivers Reinstalling SoftwareReinstalling Drivers and Utilities DriversClick the Drivers tab→ Roll Back Driver Manually Reinstalling DriversRestoring Your Operating System Re-imaging Operating Systems Installed on NvramStarting System Restore Undoing the Last System Restore Windows Vista OnlyClick Start → Control Panel User Accounts and PasswordsReinstalling Windows XP or Windows Vista Before you BeginClick 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 Bios Setup Utility Options System SetupEntering the Bios Setup Utility Bios Setup Utility ScreensBoot 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 Diagnostic Light Codes During Post TroubleshootingPower Lights Diagnostic LightsBeep Codes Code Description Suggested Resolution Repetitive Short beepsSystem Messages Replace the battery see Replacing the Coin-Cell BatteryHardware Troubleshooter Dell DiagnosticsWhen to Use the Dell Diagnostics Starting the Dell Diagnostics From Your Hard DrivePage Option Function Dell Diagnostics Main MenuTab Function Solving ProblemsBattery Problems Drive ProblemsAdjust the Windows volume control Optical drive problems optional, externalProblems writing to an optical drive Hard drive problemsClick Start→ Control Panel→ Add or Remove Programs Mail and Internet ProblemsError Messages Click Properties→ Tools→ Check NowComputer stops responding Keyboard ProblemsLockups and Software Problems Computer does not start upSolid blue screen appears Other software problemsProgram crashes repeatedly Program is designed for an earlier Windows operating systemMouse Problems Memory ProblemsClick Start → Control Panel→ Hardware and Sound→ Mouse Network ProblemsPower Problems Click Start → Control Panel→ Hardware and Sound→ Printer Printer ProblemsVerify that the printer is recognized by Windows Double-clickPrinters and FaxesVerify that the scanner is recognized by Microsoft Windows Scanner ProblemsSound and Speaker Problems No sound from speakersNo sound from headphones Video and Monitor ProblemsScreen is blank Screen is difficult to read Dell Technical Update ServiceCheck the monitor power light Check the diagnostic lights See Diagnostic LightsPage Enabling Selective USB Use the Onboard Devices screen to enable Selective USBSelective USB Replacing the Wireless Card Wireless CardRemoving the Wireless Card