8. When installing the touchpad and bracket, be sure that the rubber bumper is installed on the
bottom of the touchpad bracket in the location shown in the following illustration.
To install the touchpad, reverse this procedure.
WLAN module
To remove the WLAN module, use this procedure and illustration.
Table 5-5
WLAN module description and part number
Description Spare part number
Intel AX211 Wi-Fi 6E Bluetooth 5.3 WLAN N85244-001
MediaTek MT7921 Wi-Fi 6 + Bluetooth 5.3 N85245-001
WLAN module bracket (available in the Bracket Kit) N85234-001
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 (Preparation for disassembly on page 28).
2. Remove the bottom cover (see Bottom cover on page 28).
3. Disconnect the battery cable from the system board (see Battery on page 29).
Remove the WLAN module:
1. Remove the Phillips M2.0 × 3.0 screw (1) that secures from the bracket on the WLAN module, and
then remove the bracket (2).
2. Disconnect the antenna cables from the module terminals (3).
3. Remove the module (4) by pulling it away from the slot at an angle.
NOTE: WLAN modules are notched to prevent incorrect installation.
34
Chapter 5 Removal and replacement procedures for authorized service provider parts
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