Intel Core 2 Duo Processor - Figure 27. Step 6 - Applying the Thermal Grease

CPU Thermal Solution (Heatsink) Installation
Development Kit User’s Manual 77
5. Clean the die of the processor with isopropyl alcohol before the heatsink is
attached to the processor. This ensures that the surface of the die is clean.
6. Remove the tube of thermal grease from the package and use it to coat the
exposed die of the CPU with the thermal grease. (See the figure below.)
Figure 27. Step 6 - Applying the Thermal Grease
7. Pick up the heatsink and squeeze the activation arm until it comes in contact with
the base plate that is attached to the heatsink base. This will cause the springs on
the heatsink attachment mechanism to compress. (See the figure below)