HP 530 Maintenance And Service Manual page 46

Remove the WLAN module:
Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
1.
NOTE:
gray WLAN antenna cable is connected to the WLAN module "Aux" terminal.
Remove the two Phillips PM2.0×4.0 screws (2) that secure the WLAN module to the system board.
2.
(The edge of the module opposite the slot rises away from the computer.)
Remove the WLAN module (3) by pulling the module away from the slot at an angle.
3.
NOTE:
Reverse this procedure to install a WLAN module.
38 Chapter 4 Removal and replacement procedures
The black WLAN antenna cable is connected to the WLAN module "Main" terminal. The
WLAN modules are designed with a notch (4) to prevent incorrect installation.