Wwan Module - HP ProBook 4525s Maintenance And Service Manual

4. Remove the battery (see
5. Remove the following components:
a. Switch cover and keyboard (see
b. Thermal shield (see
Remove the WLAN module:
1. Position the computer right-side up with the front toward you.
2. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
NOTE:
The white WLAN antenna cable is connected to the WLAN module "Aux" terminal.
3. Remove the two Phillips PM2.0×4.0 screws (2) that secure the WLAN module to the computer.
(The edge of the module opposite the slot rises away from the computer.)
4. Remove the WLAN module (3) by pulling the module away from the slot at an angle.
NOTE:
Reverse this procedure to install the WLAN module.

WWAN module

NOTE: Only computers with UMA graphics include a WWAN module.
NOTE: The spare part number for the HP un2420 Broadband Module is 531993-010.
Battery on page
Thermal shield on page
The black WLAN antenna cable is connected to the WLAN module "Main" terminal.
WLAN modules are designed with a notch (4) to prevent incorrect insertion.
48).
Switch cover and keyboard on page
59)
Component replacement procedures
49)
61