Removal
Base Cover
Identify the base cover highlighted in blue.
Loosen the captive screws that secure the base cover to the computer.
Pry open the base cover from the smart card reader slot at the bottom right side of the base cover.
Lift the base cover starting from the bottom edge and push it towards the rear to remove it from the computer.
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 20 seconds to ground the system and remove residual static electricity.
Heat sink
Identify the heatsink highlighted in blue.
Disconnect the power adapter cable from system board.
Peel the power adapter cable from the heat sink assembly.
Disconnect the two fan cables from the connectors on the system board.
Loosen the captive screws that secure the heat sink assembly to the system board.
Peel the tape on heatsink.
Lift the heat sink assembly to remove it from the computer.
Use the alcohol pad to clean the heatsink (as shown in the video).
PB board
Power Button
Identify the power button highlighted in blue.
Remove the screws that secure the power button in its slot on the computer.
Remove the power button from the computer.
Install
Power Button
Identify the power button location highlighted in blue.
Install the power button into its slot on the computer.
Install the screws to secure the power button in place.
PB board
Heat sink
Identify the heatsink location highlighted in blue.
Apply a pea sized amount of thermal material as shown.
Align and insert the heat sink assembly into its slot on the computer.
Tighten the screws that secure the heat sink.
Adhere the tape on heatsink.
Connect the two fan cables to the connector on the system board.
Adhere the power adapter cable on the heat sink assembly.
Connect the power adapter 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.
Slide the base cover into its slot until it clicks into place.
Tighten the captive screws to secure the base cover to the computer.