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.
Lift the base cover off the palm rest assembly.
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.
WWAN (Wireless Module)
Identify the wireless module (WWAN) highlighted in blue.
Lift the WWAN card shield off the WWAN card.
Remove the screw that secures the WWAN card bracket.
Remove the bracket that secures the WWAN antenna cables.
Disconnect the antenna cables from the WWAN.
Remove the WWAN card from the connector on the system board.
Heatsink
Install
Heatsink
WWAN (Wireless Module)
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 antenna cables.
Install the screw to secure the WWAN card bracket.
Align and place the WWAN card shield over the 4G WWAN card.
Battery Cable
Identify the battery cable location highlighted in blue.
Connect the battery cable to the system board.
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.