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 Slide the I/O ports on the system board into the slots on the chassis and align
the screw holes on the system board with the screw holes on the chassis.
2 Replace the screws that secure the system board to the chassis.
3 Route and connect the cables that you disconnected from the system board.
For more information, see “System-board components.”
Post-requisites
1 Replace the processor.
2 Replace the processor fan and heat sink assembly.
3 Replace the wireless card.
4 Replace the solid-state drive.
5 Replace the graphics card.
6 Replace the memory modules.
7 Follow the procedure from step 9 to step 10 in “Replacing the power-supply
unit”.
8 Replace the right-side cover.
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