Removal
Base Cover
Identify the base cover highlighted in blue
Loosen the captive screws that secure the base cover to the system base.
Using a plastic scribe or a flat head screwdriver, gently pry clips on the base cover to release them from the slots on the system base.
Lift the base cover off the system base.
Battery Cable
Identify the battery cable highlighted in blue.
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 metal bracket to the wireless module (WWAN).
Using a plastic scribe or a flat head screwdriver, gently disconnect the cables from the connectors on the wireless module (WWAN).
Remove the wireless module (WWAN) from the connector on the system board.
Install
Wireless Module (WWAN)
Identify the wireless module (WWAN) location highlighted in blue
Insert the wireless module (WWAN) into the connector on the system board.
Connect the cables to the connectors on the wireless module (WWAN).
Install the screw to secure the wireless module (WWAN) to the system.
Battery Cable
Identify the battery cable highlighted in blue
Route the battery cable through the routing clip and connect the battery cable to the connector on the system board.
Base Cover
Identify the base cover location highlighted in blue
Align the base cover tabs to the slots on the edges, press the edges of the cover until it clicks into place.
Tighten the captive screw that secures the base cover to the system base.