84 Installing and removing sled componentsFigure 30. Applying thermal grease on the top of the processor1 processor 2 thermal grease3 thermal greasesyringe3 Place the heat sink onto the processor.4 Tighten one of the four screws to secure the heat sink to the system board.5 Tighten the screw diagonally opposite to the first screw youhave tightened.NOTE: Do not over-tighten the heat sink retention screws when installing the heat sink. To prevent over-tightening, tightenthe retention screw until resistance is felt, and stop after the screw is seated. The screw tension should not be more than 6in-lb (6.9 kg-cm).6 Repeat the procedure for the remaining two screws.Next steps1 Followthe procedure listed inthe After working inside your systemsection.2 While booting, press F2 to enter System Setup and verifythat the processor information matches the newsystem configuration.3 Run the system diagnostics to verify that the new processor operates correctly.Processor blank and DIMM blankThe processor blank and DIMM blank supplied with your system aids indirecting airflowover the unused processor sockets and DIMMslots.CAUTION: If you are permanently removing a processor, you must install a socket protective cap and a processor blank andDIMM blank in the vacant socket to ensure proper system cooling. The processor blank and DIMM blank covers the vacantsockets for the DIMMs and the processor.
