3. Exit Service Mode.
4. Follow the procedure in After working inside your computer.
Power-button board with fingerprint reader
Removing the power-button board
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Enter Service Mode.
3. Remove the base cover.
4. Remove the GPU fan.
5. Remove the heat sink.
About this task
The following images indicate the location of the power-button board and provide a visual representation of the removal
procedure.
Steps
1. Disconnect the power-button cable from the I/O board.
2. Peel the adhesive tape securing the power-button cable to palm-rest and keyboard assembly.
3. Remove the screw (M2x4) that secures the power-button board with the cable to the palm-rest and keyboard assembly.
4. Lift the power-button board with the cable off the palm-rest and keyboard assembly.
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Removing and installing components
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