Service Manual

Replacing the system board
WARNING: Before working inside your computer, read the safety information that shipped with your computer and
follow the steps in Before working inside your computer. After working inside your computer, follow the instructions
in
After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at
www.dell.com/regulatory_compliance.
NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup
program after you replace the system board.
NOTE: Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program.
You must make the appropriate changes again after you replace the system board.
Procedure
1 Replace the processor.
2 Align the ports on the system-board assembly with the slots on the chassis and align the system-board assembly in place.
3 Replace the nine screws (#6-32x6) that secure the system-board assembly to the chassis.
4 Route and connect the cables that you disconnected from the system-board assembly.
NOTE: For information on system-board connectors, see “system-board components”.
Post-requisites
1 Replace the processor liquid-cooling assembly.
2 Replace the memory modules.
3 Replace the graphics card or multiple graphics cards.
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