3.Carefully close the microprocessor release lever to the closed position to secure the microprocessor in the socket.
4.Clean the grease from the heat sink assembly and apply new grease on the microprocessor.
5.Align the heat sink assembly on top of the microprocessor, and make sure the four screws in the heat sink align with the holes in the system board.
6.Follow this sequence to install the four screws that secure the heat sink assembly to the system board:
