3. If the WWAN module antenna is not connected to the terminal on the WWAN module, install a
protective sleeve on the antenna connector, as shown in the following illustration.
To install the WWAN module, reverse the removal procedures.
WLAN module
To remove the WLAN module, use this procedure and illustration.
Table 5-4
WLAN module descriptions and part numbers
Description Spare part number
Intel AX211 Wi-Fi 6e + Bluetooth 5.2 M.2 2230 160 MHz CNVi WW WLAN module M53366-001
Intel AX211 Wi-Fi 6e + Bluetooth 5.2 M.2 2230 vPro 160 MHz CNVi WW WLAN module M53363-001
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 (see Preparation for disassembly on page 39).
2. Remove the bottom cover (see Bottom cover on page 39).
3. Disconnect the battery cable from the system board (see Battery on page 41).
Remove the WLAN module:
1. Carefully disconnect the WLAN module antenna cables (1) from the WLAN module.
NOTE: Computer models have either one or two WLAN module antennas. On models with two
antennas, the #1 white WLAN module antenna cable connects to the WLAN module #1 Main
terminal. The #2 black WLAN module antenna cable connects to the WLAN module #1 Aux terminal.
44
Chapter 5 Removal and replacement procedures for authorized service provider parts
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