3.
Remove the battery from the computer (2).
To insert the battery, reverse the removal procedures.
WLAN module
To remove the WLAN module, use this procedure and illustration.
Table 5-3
WLAN module descriptions and part numbers
Description
Spare part number
Intel Wi-Fi 6 AX211 802.11ax (2 × 2) and Bluetooth 5.2 (non-vPro), M.2 2230
M53366-001
Intel Wi-Fi 6 AX211 802.11ax (2 × 2) and Bluetooth 5.2 (vPro), M.2 2230
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 40
2.
Remove the bottom cover (see
3.
Remove the battery (see
Remove the WLAN module:
1.
Carefully disconnect the two antenna cables from the module (1).
2.
Remove the Phillips M2.0 × 2.0 screw (2), and then remove the WLAN module (3).
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.
WLAN module
43