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.
Grasp the left side and the right side of the base cover and remove the base cover from the system.
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.
Battery
Wireless Module (WLAN)
Wireless Module (WWAN)
Chassis Frame
Identify the chassis frame highlighted in blue.
Remove the screw that secures the chassis frame and optional fingerprint bracket.
Disconnect the speaker cable and unroute it from the routing guides. Note the cable routing.
Remove the screws that secure the chassis frame to the system.
Lift to remove the chassis frame.
Install
Chassis Frame
Identify the chassis frame highlighted in blue.
Align and place the chassis frame on the system chassis.
Install the screws to secure the chassis frame to the system.
Install the screw that secures the chassis frame and optional fingerprint bracket.
Route the speaker cable along the chassis frame.
Connect the speaker cable to the system board.
Wireless Module (WWAN)
Wireless Module (WLAN)
Battery
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.
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.