WLAN module
Description Spare part number
Atheros 9485GN 802.11b/g/n 1×1 WiFi and 3012 Bluetooth 4.0 Combo Adapter 655795-001
Broadcom 4313GN 802.11b/g/n 1×1 WiFi and 20702 Bluetooth 4.0 Combo Adapter 657325-001
Intel Centrino Advanced-N 6230 WLAN module 631956-001
Ralink 5390GN 802.11b/g/n 1×1 WiFi Adapter 630703-001
Ralink RT5390R 802.11bgn 1×1 Wi-Fi Adapter 691415-001
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 34).
Remove the WLAN module:
1. Slide the battery/service cover latch (1) to release the service cover.
2. Release the service cover (2) by sliding it toward the front of the computer.
NOTE: When releasing the service cover, it may be helpful to apply additional pressure to the
front/left corner (3) of the service cover.
36 Chapter 4 Removal and replacement procedures
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