Figure 55. Installing the I/O board
Steps
1. Place the I/O board on the palm-rest and keyboard assembly.
2. Align the screw holes on the I/O board with the screw holes on the palm-rest and keyboard assembly.
3. Replace the screw (M2x3) that secure the I/O board to the palm-rest and keyboard assembly.
4. Connect the I/O-board cable to the connector on the I/O board and close the latch.
5. Connect the power-button with fingerprint-reader cable to the connector on the I/O board and close the latch.
NOTE: This step is only applicable to computers shipped with the optional fingerprint reader.
6. Close the left display hinge and align the screw holes on the left display hinge with the screw holes on the I/O board.
7. Replace the two screws (M2.5x4.5) that secure the left display hinge to the palm-rest and keyboard assembly.
Next steps
1. Install the base cover for computers shipped with an aluminum chassis.
2. Follow the procedure in After working inside your computer.
Power button with fingerprint reader
Removing the power-button with fingerprint reader for computers
shipped with a plastic chassis
CAUTION: The information in this section is intended for authorized service technicians only.
Prerequisites
1. Follow the procedure in Before working inside your computer.
NOTE: Ensure that your computer is in Service Mode. For more information see, Before working inside your computer.
2. Remove the base cover for computers shipped with a plastic chassis.
3. Remove the I/O board for computers shipped with a plastic chassis.
82
Removing and installing Field Replaceable Units (FRUs)
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