Removal
Base Cover
Identify the base cover highlighted in blue.
Loosen the screws on the base cover.
Remove the screws that secure the base cover to the palm rest assembly.
Using a plastic scribe, pry the base cover from the hinge area and continue prying on all its sides to loosen the base cover.
Lift the base cover off the palm rest assembly.
Battery Cable
Identify the battery cable highlighted in blue.
Disconnect the battery cable from the connector on 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. Ensure heatsink is cool before removal.
Loosen the captive screws that secure the heat sink. Loosen in reverse order.
Lift and remove the heat sink off the system.
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.
Place the heat sink on the system board and align the screw holes.
Tighten the captive 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 connector on the system board.
Base Cover
Identify the base cover location highlighted in blue.
Place the base cover on the palm rest assembly and snap into place.
Tighten the screws that secure the base cover.
Install the screws that secure the base cover to the palm rest assembly.