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 Align the screw hole on the system board with the screw hole on the palm rest
and keyboard assembly.
2 Replace the screw (M2x4) that secures the system board to the palm rest and
keyboard assembly.
3 Close the right display hinge.
4 Replace the three screws (M2.5x5) that secure the right hinge to the system
board.
5 Connect the power-adapter port cable and speaker cable to the system board.
6 Slide the keyboard back-light cable and keyboard cable into their respective
connectors on the system board and close the latches.
7 Slide the touchpad cable and hard-drive cable into their respective connectors
on the system board and close the latches.
8 Slide the I/O-board cable and nger-print reader cable into their respective
connectors on the system board and close the latch.
9 Slide the power-button board cable into the connector on the system board and
close the latch.
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