Nvidia 754 - Manual (Page 19)

Installation
Page 3-3
Step 3
Close the socket by lowering and
locking the actuation lever.
Apply thermal compound to the top of
the CPU. Step 4
Insert the heatsink as shown above.
Press the clips in the direction of the
arrows shown in Figure 4 to secure the
assembly to the CPU socket.
Step 5
Plug the CPU fan power into the mainboard’s
CPU fan connector.
The installation is complete.