Dell Dimension E520 Owner's Manual page 66

1 cover latch release
4 bottom hinges
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.
66
Removing and Installing Parts
1
2 computer cover
2
3
4
3 back of computer