HP EliteBook 840 G2 Notebook PC Maintenance And Service Manual page 71

3. Remove the WLAN module (3) by pulling the module away from the slot at an angle.
NOTE:
NOTE: If the WLAN antennas are not connected to the terminals on the WLAN module, the protective
sleeves must be installed on the antenna connectors, as shown in the following illustration.
Reverse this procedure to install the WLAN module.
ENWW
WLAN modules are designed with a notch to prevent incorrect insertion.
Component replacement procedures 61