Dell Dimension E520 - Manual (Page 66)

66
Removing and Installing Parts
4 Locate the three hinge tabs on the bottom edge of the computer.
5 Grip the sides of the computer cover and pivot the cover up, using the bottom hinges as leverage
points.
6 Release the cover from the hinge tabs and set it aside in a secure location.
1 cover latch release 2 computer cover 3 back of computer
4 bottom hinges
2
1
3
4