Dell Dimension 2100 - Manual (Page 17)

To remove the front panel:
1. Remove the computer cover .
2. While facing the front of the computer, press in the front-panel release tab the top of the computer.
3. Swing the front panel away from the computer, disengage the two retaining hooks at the bottom of the front panel, and carefully pull it away
from the computer.
4. To replace the front panel, fit the two front-panel retaining hooks into their corresponding slots on the computer frame. Rotate the front panel
toward the computer until the front panel latches into position.
3.5-Inch Front Panel Insert
To remove a 3.5-inch insert:
1. Remove the front panel .
2. From the back of the front panel, press the release tab to the side.
3. Rotate the insert toward you, and remove it from the front panel.
Upper 3.5-Inch Drive
1 Front-panel release tab
2 Retaining hooks
1 Insert
2 Tabs (2)
3 Release tab