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WLAN module
Description Spare part number
Intel 802.11a/g/n WLAN module 441086-001
Intel 802.11a/b/g WLAN module 451861-001
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 36).
5.
Remove the memory/WLAN module compartment cover (see
Memory module on page 43).
Remove the WLAN module:
1. 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.
NOTE: Computer models equipped with an 802.11a/g/n WLAN module will have an additional
wireless antenna cable (2), yellow in color. Disconnect the yellow WLAN antenna cable from the
WLAN module middle terminal.
2. Remove the two Phillips PM2.0×4.0 screws (3) that secure the WLAN module to the computer. (The
edge of the module opposite the slot rises away from the computer.)
3. Remove the WLAN module (4) by pulling it away from the slot at an angle.
NOTE: WLAN modules are designed with a notch (5) to prevent incorrect installation into the
WLAN module slot.
46 Chapter 4 Removal and replacement procedures