Removal
Base Cover
Identify the base cover highlighted in blue.
Using a Torx #5, remove the screws that secure the base cover to the system.
Place fingers into the recess at the top edge and move your hands to both sides to pry the base cover.
Lift the base cover off the system.
Battery Cable
Identify the battery cable highlighted in blue.
Loosen the screw that secures the battery connector bracket to the system board.
Unhook and lift the battery connector bracket off the system board.
Using the pull tab, 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.
Heatsink
Identify the heat sink highlighted in blue.
In reverse sequential order (4>3>2>1), loosen the captive screws that secure the heat sink assembly.
Lift the heat sink from the system board.
Use the alcohol pad to clean the thermal paste from the system board and heatsink (as shown in the video).
Install
Heatsink
Identify the heat sink location highlighted in blue.
Apply a pea sized amount of thermal material as shown. Replace thermal pads if needed.
Install the heat sink on the system board and align with the screw holes.
In sequential order (1>2>3>4), tighten the captive screws that secure the heat sink assembly. 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.
Slide the hook of the bracket under the system board and install the bracket to the system board.
Tighten the screw that secures the battery connector bracket 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.
Using a Torx #5, install the screws that secure the base cover to the system.