Replacing 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.
Procedure
1. Slide the I/O board into the slots on the palm-rest assembly.
2. Align the screw hole on the I/O board with the screw hole on the palm-rest assembly, and replace the screw (M2x3) that
secures the I/O board to the palm-rest assembly.
3. Close the right display hinge.
4. Replace the two screws (M2.5x4) that secure the right display hinge to the I/O board.
5. Connect the coin-cell battery cable to the I/O board.
6. Slide the fingerprint-reader cable into the connector on the I/O board and close the latch to secure the cable.
7. Connect the I/O-board cable to the I/O board.
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Replacing the I/O board 37