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3.
Remove the battery from the computer (3).
To replace the battery, reverse the removal procedures.
WLAN module
To remove the WLAN module, use this procedure and illustration.
Table 6-4
WLAN module descriptions and part numbers
Description
MediaTek MT7921 Wi-Fi 6 Bluetooth 5.3 WW WLAN
MediaTek RZ616 Wi-Fi 6E Bluetooth 5.3 AIM-T WLAN
IMPORTANT:
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
2.
Remove the bottom cover (see
3.
Remove the battery (see
Remove the WLAN module:
1.
Remove the plastic antenna protector from the module (1).
2.
Carefully disconnect the antenna cables from the module (2).
3.
Remove the Phillips M2.0 × 2.5 screw (3), and then remove the WLAN module from the computer (4).
NOTE:
black WLAN antenna cable connects to the WLAN module Aux terminal.
To prevent an unresponsive system, replace the wireless module only with a wireless
Bottom cover on page
Battery on page
The #1 white WLAN antenna cable connects to the WLAN module Main terminal. The #2
Preparation for disassembly on page
37).
39).
Spare part number
M74879-005
M53366-005
32).
WLAN module
41
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