To install the camera and display panel, reverse these procedures.
WLAN module
To remove the WLAN module, use this procedure and illustration.
Table 6-3 WLAN module descriptions and part numbers
Description Spare part number
Intel AX211 Wi-Fi 6e Bluetooth 5.2 WLAN M53366-005
Mediatek Wi-Fi 6 MT7921 + Bluetooth 5.2 M74879-005
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 37).
2. Remove the bottom cover (see Bottom cover on page 37).
3. Disconnect the battery cable from the system board (see Battery on page 39).
Remove the WLAN module:
1. Remove the plastic that covers the antennas (1).
2. Remove the Phillips M2.0 × 2.5 screw (2).
3. Carefully disconnect the two antenna cables from the module (3), and then pull the module out of the
socket to remove it (4).
NOTE: When installing a WLAN module, be sure to match the numbers on the antenna cables with the
numbers next to the connectors on the module.
44 Chapter 6Removal and replacement procedures for authorized service provider parts
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