Chapter 2: Installation
5. Do not rub the CPU against the surface or against any pins of the socket to avoid damaging the CPU or the socket.)
6.With the CPU inside the socket, inspect the four corners of the CPU to make sure that the CPU is properly installed.
7.Use your thumb to gently push the load lever down to the lever lock.
CPU properly installed 
Load lever locked
into place
Warning: You can only install the CPU inside the socket only in one direction. Make sure that it is properly inserted into the CPU socket before closing the load plate. If it doesn't close properly, do not force it as it may damage your CPU. Instead, open the load plate again and