WLAN module
Description Spare part number
For use only on computer models equipped with an Intel processor:
Broadcom BCM43142 802.11 bgn 1x1 Wi-Fi + BT4.0 HMC Combo Adapter 753076-001
Intel Dual Band Wireless-AC 7260 802.11 ac 2×2 WiFi + BT 4.0 Combo Adapter 756753-001
Intel Dual Band Wireless-AC 3160 802.11ac 1×1 WiFi + BT 4.0 Combo Adapter 710662-001
Ralink RT3290LE 802.11b/g/n 1×1 WiFi and Bluetooth 4.0 Combo Adapter 690020-001
Realtek RTL8188EE 802.11bgn Wi-Fi Adapter 709848-001
Intel Dual Band Wireless-AC 3160 802.11 ac 1x1 WiFi + BT 4.0 Combo Adapter 784638-001
Intel Dual Band Wireless-AC 7260 802.11AC 2x2+ BT 4.0 Combo Adapter 784650-001
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 34).
Remove the WLAN module:
1. Close the computer.
2. Turn the computer upside down with the front toward you.
3. Loosen the Phillips PM2.5×5.0 captive screw (1) that secures the service cover to the computer.
4. Lift the back edge of the service cover (2) until it detaches from the computer.
Component replacement procedures 35