3. Remove the base cover.
4. Remove the heat sink.
5. Remove the left fan.
About this task
The following image(s) indicate the location of the power-button board and provides a visual representation of the removal
procedure.
Steps
1. Remove the three screws (M2.5x5) that secure the left-display hinge to the I/O board.
2. Pry open the left-display hinge at an angle of 90 degrees.
3. Lift the power-button with fingerprint-reader cable-connector latch and disconnect the power-button with fingerprint-
reader cable from the I/O board.
NOTE: This step is only applicable for computers shipped with the optional fingerprint reader.
4. Lift the power-button board cable-connector latch and disconnect the power-button board cable from the I/O board.
5. Peel the tape that secures the power-button with optional fingerprint reader cable and power-button board cable to the
palm-rest and keyboard assembly.
6. Remove the screw (M2x3) that secures the power-button board to the palm-rest and keyboard assembly.
7. Lift the power-button with optional fingerprint reader off the palm-rest and keyboard assembly.
Installing the power-button board
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
46
Removing and installing components
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