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XPS 14 9440 Owner's Manual

F12 One Time Boot menu

To enter the One Time Boot menu, turn on your computer, and then press F12 immediately.
NOTE:It is recommended to shut down the computer, if it is on.

The F12 One Time Boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options are:

  • Removable Drive (if available)
  • STXXXX Drive (if available)
    NOTE:XXX denotes the SATA drive number.
  • Optical Drive (if available)
  • SATA Hard Drive (if available)
  • Diagnostics

The boot sequence screen also displays the option to access System Setup.


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