I/O board
Removing the I/O board
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
The following image indicates the location of the I/O-board and provides a visual representation of the removal procedure.
1. Remove the three screws (M2.5x4.5) that secure the left display hinge to the I/O board and palm-rest and keyboard
assembly.
2. Open the left-display hinge at an angle of 90 degrees.
3. Peel the tape that secures the I/O-board cable to the I/O board.
4. Open the latch, and disconnect the I/O-board cable from the I/O board.
5. Open the latch, and disconnect the fingerprint reader-cable from the I/O board.
6. Disconnect the coin-cell battery cable from the I/O board.
7. Remove the screw (M2x3.5) that secures the I/O board to the palm-rest and keyboard assembly.
8. Slide and lift the I/O board off the palm-rest and keyboard assembly.
Installing the I/O board
If you are replacing a component, remove the existing component before performing the installation procedure.
The following image indicates the location of the I/O board and provides a visual representation of the installation procedure.
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Removing and installing components
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