HP EliteBook 840r G4 Maintenance And Service Manual page 50

3. Remove the WLAN module by pulling the module away from the slot at an angle (3).
NOTE:
NOTE:
sleeves must be installed on the antenna connectors, as shown in the following illustration.
Reverse this procedure to install the WLAN module.
40 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts
WLAN modules are designed with a notch to prevent incorrect insertion.
If the WLAN antennas are not connected to the terminals on the WLAN module, the protective