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.
Loosen the base cover by working on the left, right and bottom sides to open the base cover.
Remove the base cover from 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.
Heat Sink
Identify the heat sink highlighted in blue.
Loosen the screws that secure the heat sink to the system board. Loosen in reverse order.
Remove the heat sink from the system board.
Use the alcohol pad to clean the system board and heatsink (as shown in the video).
Install
Heat Sink
Identify the heat sink location highlighted in blue.
Apply a pea sized amount of thermal material as shown.
Install the heat sink on the system board and align it with the screw holes.
Tighten the screws that secure the heat sink. Tighten in order. Do not over tighten.
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 and press the edges of the cover until it clicks 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.