WLAN module
Description Spare part number
Atheros AR9485 802.11b/g/n WiFi Adapter 675794-005
Qualcomm QCA9565 802.11bgn 1x1 Wi-Fi + BT4.0 Combo Adapter 733476-005
Ralink RT3290LE 802.11b/g/n 1×1 WiFi and Bluetooth 4.0 Combo Adapter 690020-005
Realtek RTL8188EE 802.11bgn Wi-Fi Adapter 709848-005
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. 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 bottom cover (see
Bottom cover on page 28).
5. Disconnect the battery.
Remove the WLAN module:
1. Disconnect the WLAN antenna cable (1) from the terminal on the WLAN module.
NOTE: The WLAN antenna cable connects to the WLAN module “Main” terminal labeled “1”.
2. Remove the two Phillips PM2.0×3.5 screws (2) that secure the WLAN module to the system board. (The
WLAN module tilts up.)
32 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts
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