WLAN module
Description Spare part number
Atheros AR9485 802.11b/g/n 1x1 WiFi Adapter 675794-005
Ralink RT3290LE 802.11bgn 1x1 Wi-Fi and Bluetooth 4.0 Combo Adapter 690020-005
Atheros AR9565 802.11bgn 1x1 WiFi + BT4.0 combo Adapter for use in Brazil 712639-205
Realtek RTL8188EE 802.11bgn Wi-Fi Adapter 709848-005
Realtek RT8723BE 802.11bgn 1x1 Wi-Fi + BT4.0 Combo Adapter 753077-005
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 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 49), and then remove the following components:
●
Service cover (see
Service cover on page 55)
●
Keyboard (see
Keyboard on page 57)
●
Top cover (see
Top cover on page 60)
To remove the WLAN module:
1. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
NOTE: The #1 WLAN antenna cable is connected to the WLAN module Main terminal. The #2 WLAN
antenna cable is connected to the WLAN module Aux terminal.
2. Remove the Phillips PM2.0×3.0 screw (2) that secures the WLAN module to the system board. (The
WLAN module tilts up.)
Component replacement procedures 71
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