WLAN module
Description
Spare part number
Intel Dual band wireless-AC 8260 802.11ac 2x2 WiFi + BT 4.2 Combo Adaptor (non-vPro)
855631-001
WLAN board cable
855628-001
CAUTION:
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.
Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2.
Disconnect the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the bottom cover (see
).
5.
Disconnect the battery cable from the system board (see
Remove the WLAN module:
1.
Disconnect the WLAN cable from the system board (1).
2.
Remove the Phillips PM1.0×2.5 screw (2) that secures the WLAN bracket to the computer.
3.
Remove the WLAN bracket (3).
4.
Disconnect the WLAN antenna cables (1) from the WLAN module terminals.
NOTE:
The WLAN antenna cable labeled “1/MAIN” connects to the WLAN module “Main” terminal. The
WLAN antenna cable labeled “2/AUX” connects to the WLAN module “Aux” terminal.
Component replacement procedures
31