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.
4 Replace the top fan.
5 Replace the wireless card.
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