Lenovo ThinkCentre M57p - Manual (Page 35)

3. Remove the heat sink from the system board by pivoting the lever 1 securing
the heat sink until it is fully in the up position. Carefully lift the heat sink off of
the system board. See Figure 22.
4. Place the new heat sink into position and lower the lever to secure the heat
sink.
5. Go to Chapter 4, “Completing the parts replacement,” on page 41.
Figure 22. Removing the heat sink
Chapter 3. Installing options and replacing hardware 27