Installing The Power Button With Fingerprint Reader - Dell P121G Service Manual

Steps
1. Remove the screw (M2x3) that secures the power-button shield to the palm-rest and keyboard assembly.
2. Peel the mylar tape that secures the power-button shield to the palm-rest and keyboard assembly.
3. Lift the power-button shield off the palm-rest and keyboard assembly.
4. Peel off the tape that secures the power-button cable to the palm-rest and keyboard assembly.
5. Remove the screw (M2x5) that secures the power button to the palm-rest and keyboard assembly.
6. Open the latch and disconnect the power-button cable from the power-button board.
7. Lift the power button along with its cable off the palm-rest and keyboard assembly.
8. Peel the tape that secures the fingerprint-reader cable to the palm-rest and keyboard assembly.
9. Open the latch and disconnect th fingerprint-reader cable from the power-button board.
10. Peel the fingerprint-reader cable from the palm-rest and keyboard assembly.
11. Lift the fingerprint-reader cable, and the power-button board off the palm-rest and keyboard assembly.

Installing the power button with fingerprint reader

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the power button with fingerprint reader and provides a visual representation of
the installation procedure.
50 Removing and installing components