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 appropriate
changes again after you replace the system board.
Procedure
1 Connect the power-adapter port cable to the system board.
2 Adhere the tape that secures the power-adapter port cable to the system board.
3 Turn the system board over.
4 Align the screw holes on the system board with the screw holes on the palm-
rest assembly.
5 Replace the two screws (M2x3) that secures the system board to the palm-rest
assembly.
6 Connect the touch-pad cable and close the latch to secure the cable.
7 Connect the speaker cable to the system board.
8 Connect the I/O-board cable and close the latch to secure the cable.
9 Connect the hard-drive cable and close the latch to secure the cable.
10 Connect the power-button board cable and close the latch to secure the cable.
11 Connect the display cable and close the latch to secure the cable.
12 Adhere the tape that secures the display cable to the system board.
13 Close the display hinges.
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