Dell Precision 7920 Owner's Manual page 52

d Use a torx screwdriver to pry the CPU off the processor heat sink module. Place the blade between the clip and the CPU.
NOTE: A flatbed screwdriver or plastic scribe can also be used as well.
e Unlatch the CPU from the two keying latches on the processor carrier and gently lift the CPU.
NOTE: Avoid touching the CPU contacts with your
fingers.
52 Removing and installing components