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
1 Connect the power-adapter port cable to the system board.
CAUTION: To avoid damaging the system board, ensure that no
cables are placed under it.
2 Slide the I/O-board cable into its connector on the system board and
press down the latch to secure the cable.
3 Connect the power-adapter port cable to the system board
4 Turn the system board over.
5 Slide the ports on the system board into the slots on the palm-rest
assembly and place the system board on the palm-rest assembly.
6 Align the screw hole on the system board with the screw hole on the
palm-rest assembly.
7 Replace the screw that secures the system board to the palm-rest
assembly.
8 Adhere the tape to the antenna cables.
9 Connect the speaker cable to the system board.
10 Slide the display cable into its connector on the system board and press
down the latch to secure the cable.
11 Turn the computer over and open the display as far as possible.
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