HP EliteBook 8570p Maintenance And Service Manual page 101

3. Remove the WLAN module (3) by pulling the module away from the slot at an angle.
NOTE: WWAN modules are designed with a notch (4) to prevent incorrect insertion.
NOTE: If the WWAN antennas are not connected to the terminals on the WWAN module,
the protective sleeves must be installed on the antenna connectors, as shown in the following
illustration.
Reverse this procedure to install the WWAN module.
Component replacement procedures
93