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

7. If it is necessary to replace the WWAN antenna cables (select products only, remove the 3 screws from
each side (1), and then remove the WWAN antenna cables (2).
8. If it is necessary to replace the webcam:
a. Disconnect the cable (1) from the webcam.
b. Detach the webcam (2) from the display enclosure.
The webcam module is available using spare part number 840722-001.
9. If it is necessary to replace the microphone board:
a. Disconnect the cable (1) from the microphone board.
86 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts