Dell XPS/Dimension XPS Gen 3 - Manual (Page 33)

Front Panel
Removing the Front Panel
1. Follow the procedures in " Before You Begin ."
2. Disconnect and remove all disk drives (for more information, see "Drives").
3. Release the front panel by pressing each of the seven front-panel release tabs.
4. Close the computer cover halfway and pull the front panel away from the computer.
Front LED Board
CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of
your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.