Disassembly and Assembly of Heatsink 8420B

Heatsink 8420B Disassembly

1. Remove the acrylic upper cover by unscrewing 4 CM3x5x5 screws.

2. Loosen heatsink screws diagonally for even stress distribution.

3. Gently disconnect the fan interface.

Heatsink 8420B Assembly

1. Apply thermal paste evenly on the SoC.

2. Align the heatsink and bracket with the mounting holes.

3. Tighten screws diagonally to ensure even pressure.

4. Connect the fan interface securely.