WLAN module
Description Spare part number
Intel® Centrino® Wireless-N 1030 + Bluetooth combo w/ *2 antennas (802.11 b/g/n, Bluetooth 3.0) 631956-005
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 device functionality, and then contact technical support.
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 base enclosure screws (see
Base enclosure on page 25).
5. Remove the keyboard (see
Keyboard on page 26).
6. Remove the top cover (see
Top cover on page 28).
7. Disconnect the battery cable (see
Battery on page 32).
Remove the WLAN module:
1. Disconnect the USB/Audio board cable from the system board (1).
2. Disconnect the #1 and #2 WLAN antenna cables from the WLAN module.
NOTE: The #1 WLAN antenna cable is connected to the WLAN module #1 terminal. The #2
WLAN antenna cable is connected to the WLAN module #2 terminal.
3. Remove the Phillips PM 2.0×2.5 screw (3) that secures the WLAN module to the system board.
(The WLAN module tilts up.)
36 Chapter 4 Removal and replacement procedures
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