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WLAN module
Description Spare part number
Atheros 9485GN 802.11b/g/n 1×1 WiFi and 3012 Bluetooth 4.0 Combo Adapter, for use with
computer models equipped with an AMD processor or select models equipped with an
Intel processor
655795-001
Broadcom 4313GN 802.11b/g/n 1×1 WiFi and 20702 Bluetooth 4.0 Combo Adapter, for use with
computer models equipped with an Intel processor or select models equipped with an
AMD processor
657325-001
Intel Centrino Advanced-N 6230, for use only with computer models equipped with an Intel
processor
631956-001
Ralink 5390GN 802.11b/g/n 1×1 WiFi Adapter, for use with computer models equipped with an
Intel processor or select models equipped with an AMD processor
630703-001
Realtek RTL8191SE 802.11b/g/n 1×1 WiFi Adapter, for use with computer models equipped with
an AMD processor or select models equipped with an Intel processor
640926-001
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 battery (see
Battery on page 37).
5. Remove the service door (see
Optical drive on page 39).
Remove the WLAN module:
1. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
NOTE: The 1/black WLAN antenna cable is connected to the WLAN module 1/Main terminal.
The 2/gray WLAN antenna cable is connected to the WLAN module 2/Aux terminal.
2. Remove the Phillips M2.5×5.0 screw (2) that secures the WLAN module to the system board.
(The WLAN module tilts up (3).)
Component replacement procedures 45