Before removing the WLAN module, follow these steps:
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
Disconnect all external devices connected to the computer.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
Remove the battery (see
Remove the WLAN module:
Position the computer with the front toward you.
Loosen the Phillips PM2.0×5.0 screw (1) that secures the WLAN module compartment cover to the
Lift the right side of the WLAN module compartment cover (2), swing the cover up and to the left,
and remove the cover. The WLAN module compartment cover is included in the Plastics Kit, spare
part number 448171-001.
Disconnect the WLAN antenna cables (1) from the WLAN module.
The main WLAN antenna cable (labeled with the number 1 or with a black band) is
connected to the WLAN module "Main" terminal. The white WLAN antenna cable (labeled with the
number 2 or with a white band) is connected to the WLAN module "Aux" terminal. Computer models
equipped with an 802.11a/b/g/n WLAN module will have an additional wireless antenna
cable (2) (labeled with the number 3 or with a yellow band). Disconnect this cable.
Remove the two Phillips PM2.5×5.0 screws (3) that secure the WLAN module to the system board.
(The edge of the module opposite the slot rises away from the computer.)
Battery on page
Component replacement procedures