Dell Precision 3660 Manuel De Maintenance page 62

CAUTION: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in
your skin can reduce the heat transfer capability of the thermal grease.
2. Remove the side cover.
3. Open the PSU cage.
NOTE: Voltage-regulator (VR) heat sinks are only required for systems with an 8 core 65W CPU, a 6 core 125W CPU or an 8 core
125W CPU.
About this task
The following image indicates the location of the Voltage-regulator (VR)
heat sink and provide a visual representation of the removal procedure.
Steps
1. Loosen the four captive screws that secure the Voltage-regulator (VR) heat sinks to the system board.
2. Lift the Voltage-regulator (VR) heat sink off the system board.
62 Retrait et installation de composants