Installing The Power Button With Fingerprint Reader (Optional) - Dell P139G Service Manual

Steps
1. Remove the single (M2x2.5) screw that secures the power button to the palm-rest.
2. Lift the power button with fingerprint reader (optional) out of the system.

Installing the power button with fingerprint reader (optional)

About this task
NOTE: The system board can be installed with the heat sink attached in order to simplify the procedure and preserve the
thermal bond between the system board and heat sink.
The following images indicate the location of the power button with fingerprint reader (optional) and provide a visual
representation of the removal procedure.
48 Removing and installing components