3. Remove the left fan.
4. Remove the heat sink.
5. Remove the power-button board.
About this task
The following image(s) indicate the location of the power button with optional fingerprint reader and provides a visual
representation of the removal procedure.
Steps
1. Peel the Mylar that covers the fingerprint-reader cable.
2. Remove the screw (M2x2) that secures the power button with optional fingerprint reader to the palm-rest and keyboard
assembly.
3. Open the latch and disconnect the fingerprint-reader cable from its connector on the system board.
NOTE: Steps 1, 3 and 4 are only applicable for systems shipped with a fingerprint reader
4. Peel the fingerprint-reader cable off the palm-rest and keyboard assembly.
5. Lift the power button with optional fingerprint reader off the palm-rest and keyboard assembly.
Installing the power button with optional fingerprint reader
CAUTION: The information in this section is intended for authorized service technicians only.
Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
NOTE:
If either the system board or the heat sink is replaced, use the thermal grease provided in the kit to ensure that
thermal conductivity is achieved.
The following image(s) indicate the location of the power button with optional fingerprint reader and provides a visual
representation of the installation procedure.
70
Removing and installing Field Replaceable Units (FRUs)
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