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WLAN module
Description Spare part number
Intel® Centrino® Wireless-N 1030 + Bluetooth combo w/ *2 antennas (802.11 b/g/n, Bluetooth 3.0) 670290-005
Atheros 9485GN 802.11b/g/n 1×1 WiFi and 3012 Bluetooth 4.0 Combo Adapter 655795-005
Broadcom 4313GN 802.11b/g/n 1×1 WiFi and 20702 Bluetooth 4.0 Combo Adapter 657325-005
802.11 b/g/n HMC 1×1 WiFi adapter 675794-005
Atheros AR9565 802.11 b/g/n 1×1 WiFi Adapter 690019-005
Ralink 802.11 b/g/n 1×1 WiFi + Bluetooth 4.0 Combo Adapter 690020-005
Atheros HB125 802.11 b/g/n 1×1 WiFi + Bluetooth 4.0 Combo Adapter for use in Brazil 699834-201
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 display panel (see
Display panel on page 39).
5. Remove the base enclosure (see
Base enclosure on page 42).
6. Disconnect the battery cable (see
Battery on page 43).
Remove the WLAN module:
1. Disconnect the #1 and #2 WLAN antenna cables from the WLAN module (1).
NOTE: The #1 WLAN antenna cable is connected to the WLAN module #1 main terminal. The
#2 WLAN antenna cable is connected to the WLAN module #2 auxiliary terminal.
2. Remove the 1 Phillips PM 2.0×2.5 screw (2) that secures the WLAN module to the
system board. (The WLAN module tilts up.)
52 Chapter 4 Removal and replacement procedures