WLAN module
Description Spare part number
Intel 7265 Dual Band Wireless-AC 802.11ac Dual Band 2x2 NGFF Wi-Fi 7265NGW abgn+ac Adapter 793840-005
Broadcom 943228 abgn 2x2 + BT 4 LE PCIe+USB NGFF 2230 797884-005
Realtek RTL8723BE 802.11b/g/n 1x1 Wi-Fi + BT4.0 Combo Adapter 792610-005
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 o 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 rst 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 26).
5. Remove the optical drive (see Optical drive on page 27), if installed.
6. Remove the bottom cover (see Bottom cover on page 34).
To remove the WLAN module:
1. Disconnect the WLAN antenna cable (1) from the terminal on the WLAN module.
NOTE: The number of antenna cables may vary.
NOTE: The #1 WLAN antenna cable is connected to the WLAN module Main terminal.
If two antennas are connected, 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 39
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