3.Disconnect the heat sink and fan assembly cable from the system board. See “Identifying parts on the system board” on page 9.
4.Remove the heat sink and fan assembly from the system board by pivoting the lever 1 securing the heat sink and fan assembly until it is fully in the up position. Carefully lift the heat sink and fan assembly off the system board.
Note: It helps to remove the hard disk drive before this step. See “Replacing a hard disk drive” on page 25.
Figure 19. Removing the heat sink and fan assembly
5.Place the new heat sink and fan assembly into position and lower the lever to secure the heat sink and fan assembly.
6.Connect the heat sink and fan assembly cable to the microprocessor fan connector on the system board.
7.Go to Chapter 4, “Completing the parts replacement,” on page 35.
24ThinkCentre Hardware Installation and Replacement Guide
