HP ProBook 640 G2 Notebook PC, HP ProBook 645 G2 Notebook PC, HP ProBook 650 G2 Notebook PC and HP ProBook 655 G2 Notebook PC - Maintenance and Service Guide

2. Turn the computer over, and then disconnect the power button board cable (1), the speaker cable (2),
and the ngerprint reader board cable (3).
3. Carefully disconnect the plastic clips (1) on the front edge, and then remove the top cover (1).
Reverse this procedure to install the top cover.
To remove the TouchPad:
1. Disconnect the TouchPad cables (1) and (2).
Component replacement procedures 67