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 system.
Using a plastic scribe, pry the base cover from the hinges around the outside to loosen.
Lift the base cover off the palm rest and keyboard assembly.
Battery Cable
Identify the battery cable highlighted in blue.
Peel the tape that secures the battery cable.
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 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.
Battery Cable
Identify the battery cable location highlighted in blue.
Connect the battery cable to the connector on the system board.
Adhere the tape that secures the battery cable.
Base Cover
Identify the base cover location highlighted in blue.
Place the base cover on the system and snap into place.
Tighten the screws that secure the base cover.
Install the screws that secure the base cover to the system.