Removing 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 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.
NOTE: Before disconnecting the cables from the system board, note the location of the connectors so that you can
reconnect them correctly after you replace the system board.
Prerequisites
1 Remove the base panel.
2 Follow the procedure from step 1 to step 5 in “Removing the solid-state drive”.
3 Follow the procedure from step 1 to step 8 in “Removing the palm rest”.
4 Remove the display assembly.
5 Follow the procedure from step 1 to step 5 in “Removing the power-adapter port”.
6 Remove the heat-sink assembly.
7 Remove the coin-cell battery.
8 Remove the wireless card.
Procedure
After performing the prerequisites, we are left with the system board.
1 system board
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