Maintenance and Service Guide

WLAN module
The WLAN module installs into a connector on the system board.
For a list of available WLAN modules, see Computer major components on page 4.
To remove the WLAN module:
1. Prepare the computer for disassembly (Preparation for disassembly on page 17).
2. Remove the access panel (Access panel on page 18).
3. Remove the drive cage (Drive cage on page 22).
4. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
NOTE: The WLAN antenna cable labeled “1” connects to the WLAN module “Main” terminal labeled “1”.
The WLAN antenna cable labeled “2” connects to the WLAN module “Aux” terminal labeled “2”.
5. Remove the Phillips screw (2) that secures the WLAN module to the computer. (The edge of the module
opposite the slot rises away from the computer.)
6. Remove the WLAN module (3) by pulling the module away from the slot at an angle.
NOTE: WLAN modules are designed with a notch to prevent incorrect insertion.
Reverse this procedure to install the WLAN module.
WLAN module 43