Removal and replacement procedures
Remove the WLAN module:
CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in
the computer by the governmental agency that regulates wireless devices in your country or region. If you replace the module
and then receive a warning message, remove the module to restore computer functionality, and then contact technical support
through Help and Support.
1. Remove the wireless antenna cables from the clip 1 built into the hard drive bracket.
2. Disconnect the WLAN antenna cables 2 from the terminals on the WLAN module.
The black WLAN antenna cable is connected to the WLAN module "Main" terminal. The white WLAN
antenna cable is connected to the WLAN module "Aux" terminal.
3. Remove the Phillips PM2.0×4.0 screw 3 that secures the WLAN module to the system board. (The WLAN
module tilts up.)
4. Remove the WLAN module 4 by pulling it away from the slot at an angle.
WLAN modules are designed with a notch 5 to prevent incorrect insertion of the WLAN module into
the WLAN module slot.
Reverse this procedure to install the WLAN module.
Maintenance and Service Guide