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Reverse this procedure to install a memory module.
WLAN module
Description Spare part number
Broadcom BCM4352 802.11ac 2×2 Wi-Fi + BT 4.0 Combo Adapter 724935-001
Intel Centrino Advanced-N 6235 WLAN module 670290-001
Intel Dual Band Wireless-AC 3160 802.11ac 1×1 WiFi + BT 4.0 Combo Adapter 710662-001
Intel Wireless-N 7260BN 802.11b/g/n 2×2 WiFi + BT 4.0 Combo Adapter 717384-001
Mediatek MT7630E 802.11b/g/n 1×1 Wi-Fi and Bluetooth 4.0 Combo Adapter 710418-001
Qualcomm Atheros AR9565 802.11b/g/n 1×1 WiFi + BT 4.0 Combo Adapter 733476-001
Qualcomm Atheros AR9485GN 802.11b/g/n 1×1 Wi-Fi Combo Adapter 675794-001
Ralink RT3290LE 802.11b/g/n 1×1 Wi-Fi Bluetooth 4.0 Combo Adapter 690020-001
Realtek RTL 8188EE 802.11b/g/n 1×1 Wi-Fi Combo Adapter 709848-001
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 46).
5. Remove the service cover (see
Service cover on page 47).
52 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts