I/O board
Removing the I/O board
Prerequisites
1. Follow the procedure in Before working inside your computer.
NOTE: Ensure that your computer is in Service Mode. For more information see, step 6 in Before working inside your
computer.
2. Remove the base cover.
3. Remove the left fan.
About this task
The following image(s) indicate the location of the I/O board and provides a visual representation of the removal procedure.
Steps
1. Remove the two screws (M2x2) that secure the left-display hinge to the palm-rest and keyboard assembly.
2. Lift the left-display hinge to an angle of 90 degrees.
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. Open the latch and disconnect the fingerprint-reader cable from the I/O board.
NOTE: This step is applicable to computers shipped with the optional fingerprint reader.
6. Remove the screw (M2x2) that secures the I/O board to the palm-rest and keyboard assembly.
7. Lift at an angle and remove the universal headset port to release the I/O board from the palm-rest and keyboard assembly.
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Removing and installing components
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