How to replace the Heat Sink on a Dell 14 Plus 2-in-1 DB04250

This 3D experience gives you the step by step process of replacing the Heat Sink and a Dell 14 Plus 2-in-1 DB04250. The procedure will also include removing the Base Cover, Battery Cable and reinstalling them.

Removal

1. Base Cover
   • Identify the base cover highlighted in blue.
   • Loosen the screws that secure the base cover to the palm rest assembly.
   • Remove the screws that secure the base cover to the palm rest assembly.
   • Pry the base cover starting from the top left corner at the hinge and continuing on all sides to loosen it from the palm rest assembly.
   • Remove the base cover from the palm rest assembly.
2. Battery Cable
   • Identify the battery cable highlighted in blue.
   • 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.
3. Heat Sink
   • Identify the heat sink highlighted in blue.
   • Loosen the screws that secure the heat sink to the system board. Loosen in reverse order.
   • Remove the heat sink from the system board.
   • Use the alcohol pad to clean the system board and heatsink (as shown in the video).

Install

1. Heat Sink
   • Identify the heat sink location highlighted in blue.
   • Apply a pea sized amount of thermal material as shown.
   • Align and install the heat sink on the system board.
   • Tighten the screws that secure the heat sink. Tighten in order. Do not over tighten.
2. Battery Cable
   • Identify the battery cable location highlighted in blue.
   • Connect the battery cable to the system board.
3. 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.
   • Tighten the screws that secure the base cover to the palm rest assembly.
   • Install the screws that secure the base cover to the palm rest assembly.