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Before removing the WLAN module, follow these steps:
1.
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.
2.
Disconnect all external devices connected to the computer.
3.
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.
4.
Remove the battery (see
Battery on page 37).
5.
Remove the hard drive bay cover (see
Hard drive on page 38).
Remove the WLAN module:
1.
Position the computer with the front toward you.
2. Disconnect the two WLAN antenna cables (1) from the WLAN module.
NOTE: 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 two Phillips PM2.0×4.0 screws (2) that secure the WLAN module to the computer. (The
edge of the module opposite the slot rises away from the computer.)
4. Remove the WLAN module (3) by pulling it away from the slot at an angle.
NOTE: WLAN modules are designed with a notch (4) to prevent incorrect installation into the
WLAN module slot.
Reverse this procedure to install a WLAN module.
Component replacement procedures 43