2. Open the latch and disconnect the power-button cable (or fingerprint-reader cable, if applicable) from the I/O board.
3. Open the latch and disconnect the I/O-board cable from the I/O board.
4. Disconnect the coin-cell battery cable from the I/O board.
5. Remove the screw (M2x3) that secures the I/O board to the palm-rest and keyboard assembly.
6. Lift the I/O board off the palm-rest and keyboard assembly.
Installing the I/O board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the I/O board and provides a visual representation of the installation procedure.
Steps
1. Place the I/O board on the palm-rest and keyboard assembly.
2. Replace the screw (M2x3) that secures the I/O board to the palm-rest and keyboard assembly.
3. Connect the power-button cable (or the fingerprint-reader cable, if applicable) to the I/O board and close the latch.
4. Connect the I/O-board cable to the I/O board and close the latch.
5. Connect the coin-cell battery cable to the I/O board.
6. Adhere the tape that secures the I/O-board cable to the I/O board.
Next steps
1. Install the display assembly.
2. Install the base cover.
3. Follow the procedure in After working inside your computer.
Removing and installing components
47
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