Removal
Base Cover
Identify the base cover highlighted in blue.
Loosen the captive screws that secure the base cover.
Pry the base cover near the hinges to release it from the system.
Remove the base cover by loosening the sides and front.
Battery Cable
Identify the battery cable highlighted in blue.
Using the pull tab, lift up to 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.
Heatsink Assembly
Identify the heatsink assembly highlighted in blue.
Disconnect the system fan cable from the system board.
Remove the screws that secure the fan to the system board.
Loosen the captive screws that secure the heatsink. Loosen in reverse order.
Remove the heatsink assembly from the system.
Use the alcohol pad to clean the heatsink (as shown in the video)
Install
Heatsink Assembly
Identify the heatsink assembly location highlighted in blue.
Apply a pea sized amount of thermal material as shown.
Install the heatsink assembly into the slot on the system board and align the screw holes.
Tighten the screws that secure the heatsink to the system board. Tighten in order.
Install the screws that secure the fan to the system board.
Connect the system fan cable to the connector on the system board.
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.
Align the base cover tabs to the slots, press the cover until it clicks into place.
Tighten the captive screws that secure the base cover to the system.