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4.
Remove the battery from the computer (5).
To replace 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
Intel Wi-Fi 6 AX201-W 802.11ax (2 × 2) and Bluetooth 5 (non-vPro)
Realtek RTL8822CE 802.11ac 2 × 2 Wi-Fi + BT 5 (MU-MIMO supported)
WLAN module protective tape
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.
Remove the plastic protector from the antenna connectors on the WLAN module (1).
2.
Carefully disconnect the antenna cables from the module (2).
NOTE:
black WLAN antenna cable connects to the WLAN module #1 Aux terminal.
3.
Remove the Phillips M2.0 × 2.5 screw (3).
26
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
The #1 white WLAN antenna cable connects to the WLAN module #1 Main terminal. The #2
Preparation for disassembly on page
23).
Battery on page
Spare part number
L92724-005
L44796-005
L92736-001
23).
24).
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