10. Allow the heatsink to cool.
11. Remove the heatsink:
a. Loosen one pair of diagonally opposite screws halfway, then loosen the other pair of screws (callouts 1 and 2).
b. Completely loosen all screws in the same sequence.
c. Remove the heatsink from the processor backplate (callout 3).
12. Open the processor load plate:
a. Push the processor locking lever down to unclip it, and then pivot it to the vertical position (callout 1).
b. Open the processor load plate (callout 2).