Removal
Base Cover
Align the system with the outline to enable the AR lock.
Loosen the captive screws that secure the base cover to the system
Pry open the base cover from the smart-card reader slot at the bottom right side of the base cover.
Lift the base cover starting from the bottom edge and remove it from the system.
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.
Loosen the captive screw that secures the WWAN bracket.
Remove the bracket and screw from the system.
Disconnect the cables from the connectors on the WWAN.
Remove the WWAN 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 White / Grey to the ANT0.
Connect the Blue to the ANT1.
Connect the Orange to the ANT2.
Connect the Black / Grey to the ANT3.
Install the bracket that secures the WWAN.
Tighten the captive screw that secures the WWAN.
Battery Cable
Identify the battery cable location highlighted in blue.
Connect the battery cable to the connector on the system board.
Base Cover
Identify the base cover location highlighted in blue.
Slide the base cover into its slot until it clicks into place.
Tighten the captive screws to secure the base cover to the system.