Removal
Base Cover
Identify the base cover highlighted in blue.
Loosen the captive screws that secure the base cover to the palm rest assembly.
Pry open the base cover from the recesses that are located in the U shaped indents at the top edge of the base cover near the hinges.
Lift 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.
Fan and Heat sink Assembly
Identify the fan and heat sink assembly highlighted in blue.
Disconnect the fan cable from the system board.
Remove the screws that secure the fan to the palm rest assembly.
Loosen the screws that secure the heat sink to the system board. Loosen in reverse order.
Remove the fan and heat sink assembly from the palm rest assembly.
Use the alcohol pad to clean the system board and heatsink (as shown in the video).
Install
Fan and Heat sink Assembly
Identify the fan and heat sink assembly location highlighted in blue.
Apply a pea sized amount of thermal material (as shown in the video).
Align and place the fan and heat sink assembly on the palm rest assembly.
Tighten the screws that secure the heat sink to the system board. Tighten in order. Do not over tighten.
Install the screws that secure the fan to the palm rest assembly.
Connect the fan cable to the system board.
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 and place the base cover on the palm rest assembly and snap it into place.
Tighten the captive screws that secure the base cover to the palm rest assembly.