Dell Alienware X51 (Early 2012) - Manual (Page 17)

System Setup 17
Changing Boot Sequence for the Current Boot
You can use this feature to change the current boot sequence, for example,
to boot from the optical drive to run Dell Diagnostics from the Drivers and
Utilities disc. The previous boot sequence is restored at the next boot.
1 If you are booting from a USB device, connect the USB device to a
USB connector.
2 Turn on (or restart) your computer.
3 When
F2 Setup, F12 Boot Options
appears in the lower-right
corner of the screen, press .
NOTE: 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 and
try again.
The Boot Device Menu appears, listing all available boot devices.
4 On the Boot Device Menu choose the device you want to boot from.
For example, if you are booting to a USB memory key, highlight USB
Storage Device and press .
Changing Boot Sequence for Future Boots
1 Enter system setup. See "Entering System Setup" on page 11.
2 Use the arrow keys to highlight the Boot menu option and press
to access the menu.
NOTE: Write down your current boot sequence in case you want to restore it.
3 Press the up- and down-arrow keys to move through the list of devices.
4 Press plus (+) or minus (–) to change the boot priority of the device.
book.book Page 17 Tuesday, January 17, 2012 10:32 PM