6. Position the new heat sink on the plastic retention bracket so that the four
screws are aligned with the posts on the system board. Tighten the four
screws1to the heat sink and fan assembly to the system board.
7. Connect the microprocessor fan cable to the microprocessor fan connector on
the system board.
8. Go to Chapter 4, “Completing the parts replacement,” on page 33.
Figure 31. Replacing the screws to the heat sink and fan assembly
26 Hardware Installation and Replacement Guide