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

Installing the power button

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 and provides a visual representation of the installation
procedure.
Steps
1. Using the alignment posts, place the power button into its slot on the palm-rest and keyboard assembly.
2. Replace the screw (M2x3) that secures the power button to the palm-rest and keyboard assembly.
3. Align the screw hole on the power-button board to the screw hole on the palm-rest and keyboard assembly.
4. Replace the screw (M2x3) that secures the power-button board to the palm-rest and keyboard assembly.
5. Connect the power-button board cable to the connector on the system board and close the latch.
6. Adhere the power-button board cable to the palm-rest and keyboard assembly.
Next steps
1. Install the power-adapter
2. Install the display assembly.
3. Install the system board.
4. Install the speakers.
5. Install the 4-cell battery
6. Install the base cover.
7. Follow the procedure in

Removing the power button with fingerprint reader

Prerequisites
1. Follow the procedure in
48 Removing and installing components
port.
or the 3-cell battery.
After working inside your
Before working inside your
computer.
computer.