HP ProBook 11 G1 Education Edition Maintenance And Service Manual page 64

1. Disconnect the power connector cable (1) from the system board.
2. Disconnect the WLAN antenna cables (2) from the terminals on the WLAN module.
NOTE:
black WLAN antenna cable connects to the WLAN module #1/Aux terminal.
3. Disconnect the display panel cable (3) from the system board.
4. Disconnect the speaker cable (4) from the system board.
5. Release the speaker cable (5) from the retention clip built into the base enclosure.
6. Release the ZIF connector (1) to which the hard drive LED board cable is attached, and then disconnect
the hard drive LED board cable from the system board.
56 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
The #1/white WLAN antenna cable connects to the WLAN module #1/Main terminal. The #2/