WLAN module
Description Spare part number
For use on all computer models:
Atheros 9485GN 802.11b/g/n 1×1 WiFi and 3012 Bluetooth 4.0 Combo Adapter 655795-001
Atheros WB225 1×1 802.11b/g/n Bluetooth Combo Adapter 675794-001
Broadcom 4313GN 802.11b/g/n 1×1 WiFi and 20702 Bluetooth 4.0 Combo Adapter 657325-001
Ralink RT5390F 802.11b/g/n 1×1 WLAN module 670691-001
Intel Centrino Wireless-N 2230 WLAN module for use only on computer models equipped with an
Intel processor
670290-001
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.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 48).
5. Remove the service cover (see
Hard drive on page 49).
Remove the WLAN module:
1. Loosen the captive screw (1) that secures the wireless module compartment cover to the computer.
2. Lift the right side of the wireless module compartment cover (2) until it rests at an angle.
62 Chapter 4 Removal and replacement procedures
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