Removing the I/O board
NOTE: 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.
Prerequisites
Remove the base cover.
Procedure
1. Using the pull tab, disconnect the I/O-board cable from the I/O board.
2. Open the latch and disconnect the fingerprint-reader cable from the I/O board.
3. Disconnect the coin-cell battery cable from the I/O board.
4. Remove the two screws (M2.5x4) that secure the right display hinge to the I/O board.
5. Lift the right display hinge from the I/O board.
6. Remove the screw (M2x3) that secures the I/O board to the palm-rest assembly.
7. Slide and lift the I/O board off the palm-rest assembly.
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Removing the I/O board 35