User Guide

Mac Pro Take Apart — Processor Heatsinks 70
Using a long-handled, magnetized 3 mm athead hex screwdriver, loosen the four captive 2.
mounting screws for the upper processor heatsink in the order indicated below.
Lift the heatsink straight up and out of the enclosure.3.
Move the memory cage out of the way so that you can locate the cable connector for the 4.
lower processor heatsink.
Disconnect the cable. 5.
Repeat steps 2 and 3 for the lower processor (CPU B) heatsink.6.