4. Disconnect the I/O board cable from the I/O board.
5. Disconnect the coin-cell battery cable from the I/O board.
6. Lift the fingerprint-reader cable connector latch and disconnect the optional fingerprint-reader cable from the I/O board.
7. Remove the screw (M2x3) that secures the I/O board to the palm-rest and keyboard assembly.
8. 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 process.
About this task
The following image(s) indicate the location of the I/O board and provides a visual representation of the installation procedure.
Steps
1. Align the screw holes on the I/O board with the screw holes on the system board and palm-rest and keyboard assembly.
2. Align the ports on the I/O board to the slots on the palm-rest and keyboard assembly.
3. Place the I/O board on the palm-rest and keyboard assembly.
4. Replace the two screws (M2x3) that secure the I/O board to the palm-rest and keyboard assembly.
5. Connect the I/O board cable to the I/O board.
6. Close the latch and replace the clear adhesive tape.
7. Connect the coin-cell battery cable to the I/O board.
8. Connect the optional fingerprint-reader cable to the I/O board and close the latch to secure the cable.
9. Close the right-display hinge.
10. Replace the two screws (M2.5x5) that secure the right-display hinge of the display assembly to the system board.
Next steps
1. Install the 3-cell battery or 4-cell battery, whichever is applicable.
Removing and installing components
41
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