Removal
Base Cover
Identify the base cover highlighted in blue.
Loosen the captive screws that secure the base cover.
Using a plastic scribe, pry the base cover from the recesses located near the hinges.
Remove the base cover by loosening the sides and front.
Battery Cable
Identify the battery cable highlighted in blue.
Using the pull tab, lift up to disconnect the battery cable from the system board.
Press and hold the power button for 10 seconds to ground the system and remove residual static electricity.
Wireless Module (WWAN)
Identify the wireless module (WWAN) highlighted in blue.
Remove the screw that secures the WWAN card bracket
Slide and remove the WWAN card bracket off the WWAN card
Using a plastic scribe, disconnect the antenna cables from the WWAN. Note the cable connections.
Slide to remove the WWAN from the connector.
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.
Install the screw to secure the WWAN card bracket
Battery Cable
Identify the battery cable location highlighted in blue.
Push down to connect the battery cable to the connector on the system board.
Base Cover
Identify the base cover location highlighted in blue.
Install the base cover and press the edges and sides until it snaps into place.
Tighten the screws to secure the base cover to the system.