Removal
Base Cover
Identify the base cover highlighted in blue.
Loosen the captive screws that secure the base cover to the palm rest assembly.
Using a plastic scribe, pry open the base cover along the gap formed near the display hinges.
Lift the base cover off the palm rest assembly.
Identify the base cover location highlighted in blue.
Align the base cover with the screw holes, place it on the palm rest assembly, and snap it into place.
Tighten the captive screws to secure the base cover to the palm rest assembly.
Wireless Module (WLAN)
Identify the wireless card (WLAN) highlighted in blue.
Remove the screw that secures the WLAN card bracket to the system board.
Lift the WLAN bracket from the WLAN card.
Disconnect the antenna cables (black and white cables) from the wireless module.
Slide and lift the WLAN card from the system board.
Install
Wireless Module (WLAN)
Identify the wireless card (WLAN) location highlighted in blue.
Slide and install the wireless card into the slot on the system board.
Connect the white cable to the main (white triangle).
Connect the black cable to the auxiliary (black triangle).
Install the WLAN bracket on the WLAN card.
Install the screw that secures the WLAN card bracket to the system board.
Base Cover
Identify the battery cable location highlighted in blue.
Connect the battery cable to its connector on the system board.