6.Remove the WLAN module (3) by pulling it away from the slot at an angle.
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.
NOTE: WLAN modules are designed with a notch (4) to prevent incorrect insertion into the WLAN module slot.
Reverse this procedure to install a WLAN module.
Component replacement procedures 53