System Setup Program 125
• Modular bay HDD
• Internal HDD
• Optical Drive
During the boot routine, the computer starts at the top of the list and scans
each enabled device for the operating system start-up files. When the
computer finds the files, it stops searching and starts the operating system.
To control the boot devices, select (highlight) a device by pressing the down-
arrow or up-arrow key, and then enable or disable the device or change its
order in the list.
• To enable or disable a device, highlight the item and press the space bar.
Enabled items appear as white and display a small triangle to the left;
disabled items appear blue or dimmed without a triangle.
• To reorder a device in the list, highlight the device and then press <u> or
<d> (not case-sensitive) to move the highlighted device up or down.
Boot sequence changes take effect as soon as you save the changes and exit
the system setup program.
Performing a One-Time Boot
You can set a one-time-only boot sequence without entering the system setup
program. (You can also use this procedure to boot the Dell Diagnostics on the
diagnostics utility partition on your hard drive.)
1
Shut down the computer through the
Start
menu.
2
If the computer is connected to a docking device (docked), undock it. See
the documentation that came with your docking device for instructions.
3
Connect the computer to an electrical outlet.
4
Turn on the computer. When the DELL logo appears, press <F12>
immediately.
If you wait too long and the Windows logo appears, continue to wait until
you see the Windows desktop. Then shut down your computer and try
again.
5
When the boot device list appears, highlight the device from which you
want to boot and press <Enter>.
The computer boots to the selected device.
