HP ProBook 6550b Maintenance And Service Manual page 91

7. Remove the WLAN module (4) by pulling it away from the slot at an angle.
NOTE: WLAN modules are designed with a notch (5) to prevent incorrect insertion of the
WLAN module into the WLAN module slot.
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.
Component replacement procedures 83