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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 dell.com/regulatory_compliance.
NOTE: Your computer’s Service Tag is stored in the system board. You
must enter the Service Tag in the system setup after you replace the
system board.
Procedure
1 Replace the heat-sink assembly.
2 Align the screw holes on the system-board assembly with the screw
holes on the computer base.
3 Replace the screws that secure the system-board assembly to the
computer base.
4 Connect the power-adapter port cable and speaker cable to the system
board.
5 Adhere the display cable to the fan.
6 Slide the display cable and I/O-board cable into the respective
connectors and press down the latches to secure the cables.
7 Adhere the tape that secures the display cable to the system board.
8 Slide the antenna cables through the slot on the computer base.
9 Close the display and turn the computer over.
10 Route the antenna cables on the computer base.
Post-requisites
1 Replace the optical-drive connector board.
2 Replace the battery-connector board.
3 Replace the palm rest.
4 Replace the keyboard.
5 Replace the wireless card.
6 Follow the procedure from step 4 to step 5 in replacing the optical drive.
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