Dell XPS 420 (Late 2007) - Manual (Page 187)

Appendix
187
• Onboard or USB CD-ROM Drive — The computer attempts to boot
from the CD drive. If no CD is in the drive, or if the CD has no operating
system, the computer attempts to boot from the next bootable device.
• USB Device — Insert the memory device into a USB port and restart the
computer. When
F12 = Boot Menu appears in the upper-right corner of
the screen, press . The BIOS detects the device and adds the USB
option to the boot menu.
NOTE:
To boot to a USB device, the device must be bootable. To ensure that
your device is bootable, check the device documentation.
Changing Boot Sequence for the Current Boot
You can use this feature, for example, to restart your computer to a USB
device such as a floppy drive, memory key, or CD-RW drive.
NOTE:
If you are booting to a USB floppy drive, you must first set the floppy drive to
OFF in system setup (see "System Setup Options" on page 180).
1 If you are booting to a USB device, connect the USB device to a USB
connector (see "Front View" on page 15).
2 Turn on (or restart) your computer.
3 When
F2 = Setup, F12 = Boot Menu appears in the upper-right
corner of the screen, press .
If you wait too long and the operating system logo appears, continue to
wait until you see the Microsoft Windows desktop, then shut down your
computer (see "Before You Begin" on page 99) and try again.
The Boot Device Menu appears, listing all available boot devices. Each
device has a number next to it.
4 At the bottom of the menu, enter the number of the device that is to be
used for the current boot only.
For example, if you are booting to a USB memory key, highlight USB
Device and press .
NOTE:
To boot to a USB device, the device must be bootable. To make sure
your device is bootable, check the device documentation.
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