HP EliteBook 820 G1, HP EliteBook 725 G2, & EliteBook 720 G1 Notebook PCs - Maintenance and Service Guide

3. Remove the WLAN module (3) by pulling the module away from the slot at an angle.
NOTE: If the WLAN antenna cables are not connected to the terminals on the WLAN module, protective
sleeves should be installed on the antenna connectors, as shown in the following illustration.
Reverse this procedure to install the WLAN module.
Component replacement procedures 79