Removal
Base Cover
Identify the base cover highlighted in blue.
Loosen the screws that secure the base cover to the palm rest assembly.
Remove the screws that secure the base cover to the palm rest assembly.
Pry the base cover starting from the top left corner at the hinge and continuing on all sides to loosen it from the palm rest assembly.
Remove the base cover off the palm rest assembly.
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.
I/O Board
Identify the I/O board highlighted in blue.
Remove the screws that secures the left display hinge to the palm rest assembly.
Open the left display hinge at an angle of 90 degrees.
Remove the screw that secures the I/O board to the palm rest assembly.
Slide and remove the I/O board from the palm rest assembly.
Install
I/O Board
Identify the I/O board location highlighted in blue.
Slide and install the I/O board on the palm rest assembly.
Install the screw that secures the I/O board to the palm rest assembly.
Close the left display hinge and align it with the screw holes.
Install the screws that secures the left display hinge to the palm rest assembly.
Battery Cable
Identify the battery cable location highlighted in blue.
Connect the battery cable to its connector on the system board.
Base Cover
Identify the base cover location highlighted in blue.
Place the base cover and press on the sides of the cover to snap it into place.
Tighten the screws that secure the base cover to the palm rest assembly.
Install the screws that secure the base cover to the palm rest assembly.