WLAN module
Description Spare part number
Realtek RTL8822BE 802.11ac 2×2 WiFi + Bluetooth 4.2 924813-855
Intel Wireless-AC 9560 802.11ac 2×2 WiFi + Bluetooth5 (non-vPro) L22634-005
Intel Wireless-AC 9461 802.11ac 1×1 WiFi + Bluetooth5 (non-vPro) L25889-005
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 technical support.
Before removing the WLAN module, follow these steps:
1. Turn o 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 the power from the computer by rst unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
3. Disconnect all external devices from the computer.
4. Remove the bottom cover (see Bottom cover on page 25).
5. Disconnect the battery (see Battery on page 27).
Remove the WLAN module:
1. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
NOTE: Some models have only one antenna cable.
The WLAN antenna cable labeled "1/MAIN" connects to the WLAN module "Main" terminal. The WLAN
antenna cable labeled "2/AUX" connects to the WLAN module "Aux" terminal.
2. Remove the Phillips M2.0×3.0 screw (2) that secures the WLAN module to the computer. (The WLAN
module tilts up.)
28 Chapter 5 Removal and replacement procedures for Authorized Service Provider parts
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