Removal
Base Cover
Identify the base cover highlighted in blue.
Loosen the captive screws that secure the base cover.
Pry the base cover near the hinges to release it from the system.
Remove the base cover by loosening the sides and front.
Wireless Module (WWAN)
Identify the wireless module (WWAN) highlighted in blue.
Loosen the screw that secures the bracket.
Remove the bracket that secures the WWAN antenna cables.
Using a plastic scribe, disconnect the antenna cables from the WWAN.
Remove the WWAN card from the connector on the system board.
Install
Wireless Module (WWAN)
Identify the wireless module (WWAN) location highlighted in blue.
Insert the WWAN card into the connector on the system board.
Connect the black cable to the auxiliary (black triangle).
Connect the white cable to the main (white triangle).
Install the bracket to secure the WWAN antenna cables.
Tighten the screw to secure the WWAN bracket.
Base Cover
Identify the base cover location highlighted in blue.
Align the base cover tabs to the slots, press the cover until it clicks into place.
Tighten the captive screws that secure the base cover to the system.