WLAN module
Description
Spare part number
Realtek RTL8723BE-VB 802.11b/g/n 1×1 WiFi + Bluetooth 4.0 Combo Adapter
843338-001
Intel Dual Band Wireless-AC 3168 802.11 AC 1×1 WiFi + Bluetooth 4.2 Combo Adapter
852511-001
Intel Dual Band Wireless-AC 7265 802.11 AC 2×2 WiFi + Bluetooth 4.2 Combo Adapter (non-vPro)
860883-001
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 unscrewing the power cord from the AC outlet, and
then unscrewing the AC adapter from the computer.
4.
Remove the bottom cover (see
5.
Remove the battery (see
).
Remove the WLAN module:
1.
Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
NOTE:
The WLAN antenna cable labeled “1” connects to the WLAN module “Main” terminal labeled “1”.
The WLAN antenna cable labeled “2” connects to the WLAN module “Aux” terminal labeled “2”. If
the computer is equipped with an 802.11a/b/g/n WLAN module, the yellow WLAN antenna cable
connects to the middle terminal on the WLAN module.
2.
Remove the one Phillips PM2.5×3.0 screw (2) that secures the WLAN module to the computer. (The edge
of the module opposite the slot rises away from the computer.)
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Chapter 5 Removal and replacement procedures for Customer Self-Repair parts
