HP 640 ProBook G3 Series - Page 93

b. Detach the webcam (2) from the display enclosure.
7. If it is necessary to replace the microphone board:
a. Disconnect the cable (1) from the microphone board.
b. Detach the microphone board (2) from the display enclosure.
Reverse these procedures to reassemble and install the display assembly components.
Display assembly 85