Dell PowerEdge C6220 - Manual (Page 165)

Installing System Components | 165
CAUTION: Using excess thermal grease can cause grease to contact the
processor shield, which can cause contamination of the processor socket.
8 Place the heat sink on the processor. See Figure 3-11.
9 Using a Phillips screwdriver, tighten the heat-sink retention screws. See
Figure 3-11.
10 Replace the system-board assembly. See "Installing a System-Board
Assembly" on page 158.
11 Reconnect the system to its electrical outlet and turn on the system,
including any attached peripherals.
12 Press to enter the System Setup program, and check that the
processor information matches the new system configuration. See
"System Setup Options at Boot" on page 62.