Dell XPS 720 (Mid 2007) - Manual (Page 83)

Troubleshooting
83
NOTE:
The next steps change the boot sequence for one time only. On the next start-up, the computer boots
according to the devices specified in the system setup program.
5 When the boot device list appears, highlight CD/DVD/CD-RW Drive and press <Enter>.
6 Press any key to Boot from CD-ROM.
7 Follow the instructions on the screen to complete the installation.
Troubleshooting Software and Hardware Problems
If a device is either not detected during the operating system setup or is detected but incorrectly
configured, you can use the Hardware Troubleshooter to resolve the incompatibility.
Windows XP:
1 Click Start and click Help and Support.
2 Type
hardware troubleshooter in the Search field and click the arrow to start the search.
3 Click Hardware Troubleshooter in the Search Results list.
4 In the Hardware Troubleshooter list, click I need to resolve a hardware conflict on my computer, and
click Next.
Windows Vista:
1 Click Start
and click Help and Support.
2 Type
hardware troubleshooter in the search field and press <Enter> to start the search.
3 In the search results, select the option that best describes the problem and follow the remaining
troubleshooting steps.