HP EliteOne 705 G1 Maintenance & Service Manual page 60

5. Lift the module to a 45-degree angle, and then pull it away to remove it from the socket (3).
To install the WLAN module, reverse the removal procedures.
When connecting the antennas cables, connect the cable labeled "1" to the MAIN connector on the module
and the cable labeled "2" to the AUX connector on the module.
NOTE: WLAN modules are designed with a notch to prevent incorrect insertion.
50 Chapter 5 Removal and Replacement Procedures ENWW