Dell GX200 manual Disconnect all cables from the system board

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1.If possible, enter System Setup and print the System Setup screens.

2.Remove the computer cover.

3.Remove the system battery by carefully prying it out of its socket with your fingers or with a blunt, nonconducting object such as a plastic screwdriver.

When you replace the system battery, orient the new battery with the "+" facing up. Insert the battery into its socket and snap it into place.

4.Replace the computer cover and reset the chassis intrusion detector.

System Board

Figure 28. System Board Removal

1boardSystem

2Screw

To remove the system board, perform the following steps:

1.Remove the computer cover.

2.Disconnect all cables from the system board.

3.Rotate the system power supply out of the way.

4.Remove the RIMMs.

5.Remove the microprocessor.

6.Remove the AGP card brace and the AGP video card.

7.Slide all externally accessible drives and brackets partially out of the chassis.

8.Slide the hard-disk drive partially out of the chassis.

9.Remove the screw that secures the system board to the bottom of the chassis (see Figure 28).

10.Slide the system board toward the front of the chassis until it stops.

11.Carefully raise the front of the system board and lift the board out of the chassis at an angle. To replace the system board, perform the following steps:

1.Install the RIMMs and the microprocessor/airflow shroud/heat sink assembly on the replacement board.

2.Configure the settings of the replacement board.

Set the jumpers on the replacement system board so that they are identical to those on the existing system board, unless you are performing a microprocessor upgrade.

3.Replace the system board in the chassis.

4.Push down near each slot to engage the grounding clip onto its corresponding tab.

5.Push evenly on both sides of the system board as you slide and lock it into position (do not twist the system board).

6.Reinstall the mounting screw.

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Contents Initial release 18 April Last revised 31 Jul Precautionary Measures OverviewRecommended Tools You have removed the computer coverInternal Views Computer CoverComputer Cover Replacement Eject, Power, and Reset Buttons Front-Panel InsertsChassis Intrusion Switch Reset the chassis intrusion detectorControl Panel Drives Inch Diskette DriveInch Drive Remove the diskette drive and bracketHard-Disk Drive to Bracket Installation If not already done, remove the computer coverSystem Power Supply Replace the computer coverExpansion-Card Cage Riser BoardsSystem Board Components PCI/ISA Riser Board OptionalSystem Board Jumpers System-Board Jumper Settings Description Expansion CardsSystem Board Labels Expansion-Card Installation Expansion-Card RemovalRemove the computer cover Memory Removing a RimmMicroprocessor/Cooling Fan/Heat Sink Assembly Microprocessor/Cooling Fan/Heat Sink AssemblySystem Battery Microprocessor Package InstallationSystem Board System Board RemovalBack to Contents Microprocessor/Airflow Shroud/Heat Sink Assembly Computer Cover Internal View Inside the ChassisExpansion-Card Cage Remove the hard-disk drive cage Inch Diskette Drive RemovalInch Drive Removal 25-Inch Drive Removal Hard-Disk Drive Replacement Hard-Disk Drive InsertionSystem Power Supply Rotation System Power Supply RemovalRotate the system power supply System Power Supply InstallationSystem Board Jumpers Expansion Cards Expansion-Card Replacement Expansion Card RemovalMidsize Chassis PCI Riser Board Microprocessor/Airflow Shroud/Heat Sink Assembly Rimm InstallationHeat Sink Assembly Removal Securing the microprocessor package Disconnect all cables from the system board Back to Contents Overview Mini Tower Chassis Orientation View Computer Cover Replacement Front Bezel Front Bezel RemovalFront-Panel Inserts Chassis Intrusion Switch Remove the control panel from the front panel Diskette Drive RemovalRemove the front bezel Drive Bracket AttachmentNew Drive Insertion Remove the computer cover Remove the front bezel Hard-Disk Drive Removal From BracketDrive Bracket Insertion Into Chassis System Power Supply Mini Tower Chassis PCI Riser Board Mini Tower Chassis PCI/ISA Riser Board System Board Jumpers CD-ROM audio interface connector Expansion Card Installation Memory Microprocessor/Airflow Shroud/Heat Sink Removal Microprocessor package Socket release lever ZIF socket System Battery Remove the airflow shroud from the microprocessor Replace the airflow shroud Replace the expansion-card cage Overview Orientation View Computer Cover Replacement Eject and Power Buttons Remove the drive shelf Remove the power supplyChassis Intrusion Switch Preliminary Steps Hard-Disk DriveDrive Bracket Removal Hard-Disk Drive Cable Attachment CD-ROM Drive CD-ROM Drive RemovalSystem Power Supply Riser Board PCI Riser BoardSystem Board Jumpers System-Board Jumper Settings Description Bit PCI Expansion Card Example Expansion Card Removal Memory Microprocessor/Cooling Fan/Heat Sink Assembly Microprocessor Package Removal Replace the computer cover and restart the system Replace the drive shelf assembly