Wlan Module - HP EliteBook 840 G9 Maintenance And Service Manual

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.
Reverse this procedure to install the WWAN module.

WLAN module

To remove the WLAN module, use this procedure and illustration.
Table 5-4 WLAN module descriptions and part numbers
Description
Intel AX211 Wi-Fi 6e + Bluetooth 5.2 M.2 2230 160 MHz CNVi WW WLAN module
Intel AX211 Wi-Fi 6e + Bluetooth 5.2 M.2 2230 vPro 160 MHz CNVi WW WLAN module
IMPORTANT:
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
2. Remove the bottom cover (see
3. Disconnect the battery cable from the system board (see
Remove the WLAN module:
1. Carefully disconnect the WLAN module antenna cables from the WLAN module (1).
NOTE:
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.
50 Chapter 5 Removal and replacement procedures for authorized service provider parts
To prevent an unresponsive system, replace the wireless module only with a wireless module
Bottom cover on page
Computer models have either one or two WLAN module antennas. On models with two antennas,
Preparation for disassembly on page
45).
Battery on page
Spare part number
M53366-001
M53363-001
45).
47).