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

b. Rotate the top of the display panel downward (1) onto the keyboard.
c. Disconnect the cable from the connector (2), and then remove the panel (3).
84 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts