Owner's Manual (PDF)
Page 151
... priority of the device. and down your current boot sequence in the lower-right corner of devices. 4 Press plus (+) or minus (-) to run Dell Diagnostics from the Drivers and Utilities disc. Changing Boot Sequence for the Current Boot You can use this feature to change the current boot sequence, for Future Boots...
... priority of the device. and down your current boot sequence in the lower-right corner of devices. 4 Press plus (+) or minus (-) to run Dell Diagnostics from the Drivers and Utilities disc. Changing Boot Sequence for the Current Boot You can use this feature to change the current boot sequence, for Future Boots...