Service Manual

Power button
Removing the power-button with optional fingerprint reader
Prerequisites
1. Follow the procedure in Before working inside your computer.
2. Remove the base cover.
3. Remove the 4-cell battery or the 6-cell battery, whichever applicable.
4. Remove the fan (4-cell battery) or the fan (6-cell battery), whichever applicable.
5. Remove the I/O board.
About this task
The following images indicate the location of the power-button with optional fingerprint reader and provides a visual
representation of the removal procedure.
Steps
1. Remove the three screws (M2x3) that secure the power-button bracket to the palm-rest and keyboard assembly.
2. Open the latch and disconnect the power-button cable from the fingerprint-reader board.
3. Remove the two screws (M2x3) that secure the power-button with optional fingerprint reader to the palm-rest and
keyboard assembly.
4. Lift the power-button, along with its cable, off the palm-rest and keyboard assembly.
Installing the power button
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
Removing and installing components
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