How to replace the Heat Sink on a Dell 14 Plus DB14255

This 3D experience gives you the step by step process of replacing the Heat Sink and a Dell14Plus DB14255. The procedure will also include removing the Base Cover, Battery Cable and reinstalling them.

Removal

Base Cover

1. Identify the base cover highlighted in blue.
2. Loosen the screws that secure the base cover to the palm rest assembly.
3. Remove the screws that secure the base cover to the palm rest assembly.
4. Using a plastic scribe, pry the base cover from the hinge area and continue prying on all its sides to loosen the base cover.
5. Remove the base cover from the palm rest assembly.

Battery Cable

1. Identify the battery cable highlighted in blue.
2. Disconnect the battery cable from the system board.
3. Press and hold the power button for 10 seconds to ground the system and remove residual static electricity.

Heat Sink

1. Identify the heat sink highlighted in blue.
2. Loosen the screws that secure the heat sink to the system board. Loosen in reverse order.
3. Remove the heat sink from the system board.
4. Use the alcohol pad to clean the system board and heatsink (as shown in the video).

Install

Heat Sink

1. Identify the heat sink location highlighted in blue.
2. Apply a pea sized amount of thermal material as shown.
3. Align and install the heat sink on the system board.
4. Tighten the screws that secure the heat sink. Tighten in order. Do not over tighten.

Battery Cable

1. Identify the battery cable location highlighted in blue.
2. Connect the battery cable to the system board.

Base Cover

1. Identify the base cover location highlighted in blue.
2. Align the base cover and press the edges of the cover until it clicks into place.
3. Tighten the screws that secure the base cover to the palm rest assembly.
4. Install the screws that secure the base cover to the palm rest assembly.