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Figure 19. Applying thermal grease on the top of the processor
1. processor 2. thermal grease
3. thermal grease syringe
3. 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 you tightened.
NOTE: Do not over-tighten the heat sink retention screws when installing the heat sink. To
prevent over-tightening, tighten the retention screw until resistance is felt, and stop once the
screw is seated. The screw tension should be no more than 6 in-lb (6.9 cm-kg).
6. Repeat the procedure for the remaining two screws.
Next steps
1. Install the cooling shroud.
2. Follow the procedure listed in After working inside your system.
3. While booting, press <F2> to enter System Setup and check that the processor information matches
the new system configuration.
4. Run system diagnostics to verify that the new processor operates correctly.
Related Tasks
Installing the cooling shroud
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