WLAN module
Table 6-3 WLAN module description and part number
Description Spare part number
Realtek RTL8822CE 802.11ac 2 × 2 Wi-Fi + Bluetooth 5 L44796-005
IMPORTANT: 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. Prepare the computer for disassembly (Preparation for disassembly on page 27).
2. Remove the bottom cover (see Bottom cover on page 28).
3. Disconnect the battery (see Battery on page 37).
Remove the WLAN module:
1. Remove the plastic protector from on top of the antenna terminals on the WLAN module (1).
2. Disconnect the WLAN antenna cables (2) from the terminals on the WLAN module.
NOTE: Models have either one or two WLAN antennas. On models with two antennas, the #1/white
WLAN antenna cable connects to the WLAN module #1/Main terminal. The #2/black WLAN antenna cable
connects to the WLAN module #1/Aux terminal.
3. Remove the Phillips M2.0 × 2.5 screw (3) that secures the WLAN module to the bottom cover. (The WLAN
module tilts up.)
4. Remove the WLAN module (4) by pulling the module away from the slot at an angle.
NOTE: If the WLAN antenna is not connected to the terminal on the WLAN module, a protective sleeve must
be installed on the antenna connector, as shown in the following illustration.
38 Chapter 6 Removal and replacement procedures for authorized service provider parts
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