Dell EMC PowerEdge C6420 Manual page 86

Figure 32. Applying thermal grease on top of the processor
6 Place the heat sink on the processor and push down until the bracket locks onto the heat sink.
NOTE:
• Ensure that the two guide pin holes on the bracket match the guide holes on the heat sink.
• Ensure that the pin 1 indicator on the heat sink is aligned with the pin 1 indicator on the bracket before placing the heat
sink on the processor and bracket.
Figure 33. Installing the heat sink onto the processor
86 Installing and removing system components