Removing the system board
NOTE: 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.
NOTE: Before disconnecting the cables from the system board, note the location of the connectors so that you can
reconnect the cables correctly after you replace the system board.
Prerequisites
1. Remove the base cover.
2. Remove the battery.
3. Remove the memory modules.
4. Remove the solid-state drive.
5. Remove the wireless card.
6. Remove the fan.
NOTE:
Remove the heat sink from the system board only when you want to replace the system board. To replace
the keyboard, power button with fingerprint reader, and palm-rest and antenna assembly, remove the system board
assembly along with the heat sink.
7. Remove the heat sink.
Procedure
1. Remove the two screws (M2.5x4) that secure the left display hinge to the system board.
2. Lift the left display hinge from the system board.
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Removing the system board 67
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