Chapter 5 534. Press the load lever (1) and engage the load lever back into place. (2).5. Apply the thermal interface material.a. Use an alcohol pad to wipe off the old thermal grease from the heat sink and the processor socketretention plate.b. Apply a thin layer of an approved thermal interface material before installing the heatsink.6. Make sure that only a very thin layer is applied so that both contact surfaces are still visible.Reinstalling the Heatsink1. Position the heatsink over the processor and make sure the heatsink screws are aligned with the holes onthe mainboard.