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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 5-4
WLAN module description and part number
Description
Intel AX211 Wi-Fi 6E Bluetooth 5.3 WLAN
MediaTek MT7921 Wi-Fi 6 + Bluetooth 5.3
WLAN module bracket (available in the Bracket Kit)
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
2.
Remove the bottom cover (see
3.
Disconnect the battery cable from the system board (see
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 (3) from the module terminals.
3.
Remove the module (4) by pulling the it away from the slot at an angle.
NOTE:
To prevent an unresponsive system, replace the wireless module only with a wireless
Bottom cover on page
WLAN modules are notched to prevent incorrect installation.
(Preparation for disassembly on page
28).
Battery on page
Spare part number
N85418-001
N85419-001
N85029-001
28).
29).
WLAN module
33
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