Dell Dimension 8250 - Manual (Page 13)

1. Shut down the computer through the Start menu.
2. Disconnect the power cable from your computer.
3. Remove the front door, if it is attached.
The front door snaps off of the two hinge arms.
4. Remove the front-panel insert above the front-door bay area.
Pull the bottom of the insert with your fingers to remove it.
5. Lift both hinge arms to the horizontal position.
6. Use the two view slots to align the pivot bar with the two pivot-bar slots.
7. Pull the arms toward you until they snap into place.
If the hinge arms don't snap back into place on the first attempt, slightly reposition the arms and try again.
8. After the hinge arms clip into place, lower and raise the arms two or three times to properly seat them.
9. Reattach the front-panel insert.
10. Reconnect the power cable to your computer.
11. Reattach the front door .
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions listed in your Owner's Manual.
NOTICE: Using excessive force to pull the hinge arms into place may damage the arms or the front panel.