HP 640 ProBook G3 Series Maintenance And Service Manual page 92

4. If it is necessary to replace the WLAN antenna cables, remove the 3 screws from each side (1), and then
remove the WLAN antenna cables (2).
5. 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).
6. If it is necessary to replace the webcam:
a. Disconnect the cable (1) from the webcam.
84 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts