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.
Topics:
• Procedure
• Post-requisites
Procedure
1 Replace the coin-cell battery.
2 Replace the heat sink.
3 Replace the wireless card.
4 Insert the ports on the system board into the slots on the computer base and
gently place the system board on the computer base.
5 Align the screw holes on the system board with the screw holes on the
computer base.
6 Replace the screws that secure the system board to the computer base.
7 Slide the I/O-board cable into the connector on the I/O board and press down
the latch to secure the cable.
8 Connect the speaker and front AlienFX LED cables to the system board.
9 Turn the computer over.
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Replacing the system board 83
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