Dell Dimension 4500 - Manual (Page 14)

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 as described in " Reattaching the Front Door ."
Opening the Computer Cover
1. Shut down the computer .
NOTICE: Using excessive force to pull the hinge arms into place may damage the arms or the front panel.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in " Safety Instructions ."