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.
Fan
Identify the fan highlighted in blue.
Disconnect the fan cable from its connector on the system board.
Remove the screws that secure the fan to the palm rest assembly.
Lift the fan off the palm rest assembly.
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).
USB board
Identify the USB board highlighted in blue.
Remove the screws that secure the left display hinge to the system board.
Pry open the left display assembly hinge at a 90 degree angle.
Remove the screw that secures the USB board to the palmrest assembly.
Lift the USB board from the palm rest assembly and flip it over by folding the USB board cable gently.
Hold the USB board in place and lift the latch to disconnect the USB board cable from the USB board.
Remove the USB board and place the USB board cable back on the palmrest assembly.
Install
USB board
Identify the USB board location highlighted in blue.
Position the USB board and ensure that the USB board cable latch of the USB board is visible.
Fold the USB board cable, connect the USB board cable to the USB board and close the latch.
Flip over and install the USB board and fold the cable back towards the palm rest assembly.
Install the screw that secures the USB board to the palm rest assembly.
Close the left display hinge and align the screw holes.
Install the screws that secure the left display hinge.
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.
Fan
Identify the fan location highlighted in blue.
Install the fan in the slot on the palm rest assembly and align the screw holes.
Install the screws that secure the fan to the palm rest assembly.
Connect the fan cable to its 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.
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.