Dell Dimension 4400 Owner's Manual page 64

64
Adding Parts
Lift both hinge arms to the horizontal position.
5
Use the two view slots to align the pivot bar with the two pivot-bar
6
slots.
view slots (2)
hinge arms in
horizontal
position
NOTICE:
Using excessive force to pull the hinge arms into place may damage
the arms or the front panel.
Pull the arms toward you until they snap into place.
7
If the hinge arms don't snap back into place on the first attempt,
slightly reposition the arms and try again.
pivot-bar slots (2)
pivot bar