System Upgrade 8-238. Place the CPU carefully on the socket.TIPS: Pay attention to the orientation of the CPU.The CPU and socket have pin marks to preventmisinsertion.Pin marks9. After pressing the CPU softly against the socket, closethe levers to fasten it.10. Remove the film of the cool sheet that is affixed onthe heat sink.11. Place the heat sink on top of the CPU.12. Fasten the heat sink with its clip.Engage the clip holes with tabs on the sides of the retention: engage one hole first andengage the other holding the first hole.