Dell POWEREDGE E11S Owner's Manual page 80

10 Position your thumb firmly over the processor socket-release lever and
release the lever from the locked position by pushing down and pulling out
from under the tab. Rotate the lever 90 degrees upward until the processor
is released from the socket. See Figure 3-19.
11 Use the tab on the processor shield to rotate shield upward and out of the
way. See Figure 3-19.
Figure 3-19. Removing a Processor
1
1 socket-release lever
3 notches in processor (2)
5 ZIF socket
80
Installing System Components
6
2 processor
4 processor shield
6 socket keys (2)
2
4
5
3