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 desired
changes again after you replace the system board.
Procedure
Place the system board on a flat surface.
Post-requisites
1 Replace the wireless card.
2 Replace the coin-cell battery.
3 Replace the heat-sink assembly.
4 Follow the procedure from step 2 to step 7 in “Replacing the power-adapter
port”.
5 Replace the display assembly.
6 Follow the procedure from step 5 to step 9 in “Replacing the palm rest”.
7 Follow the procedure from step 3 to step 7 in “Replacing the solid-state
drive”.
8 Replace the base panel.
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