Dell XPS/Dimension XPS - Manual (Page 22)

6. If you are installing a new floppy drive rather than replacing a drive, remove the front- panel inserts.
From inside the drive bay, gently press on each side of the insert until it pops out.
7. Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents.
8. Close the computer cover .
9. Connect your computer and devices to electrical outlets, and turn them on.
10. After you turn on your computer, press when you are prompted to enter setup mode.
11. Highlight Drive Configuration and press .
12. Use the left and right arrows to change Diskette Drive A from Not Installed to 3.5 inch, 1.44 MB.
13. Press .
14. Highlight Integrated Devices (LegacySelect Options) and press .
15. Ensure that the Diskette Interface entry is set to Auto. If necessary, use the left and right arrows to set it to Auto.
16. Press .
17. Press .
18. Press to Save changes and Exit.
The computer restarts.
19. See the documentation that came with the drive for instructions on installing any software required for drive operation.
CD/DVD Drive
Removing a CD/DVD Drive
1. Follow the instructions in " Before You Begin ."
2. Open the computer cover .
3. Disconnect the power and CD/DVD drive cables from the back of the drive.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual.