Service manual

Using the System Setup Program: Dell Inspiron 4150
● CD/DVD/CD-RW 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 sequence, you can select (highlight) devices (by pressing the and
keys) and then enable or disable the device or change their order in the list.
● To enable or disable a device, highlight the item and press . 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 or (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 going into the system setup program. (You can
also use this procedure to boot to the Dell Diagnostics on the Diagnostics utility partition on your hard
drive.)
1. Turn off the computer.
2. If the computer is connected to a docking device (docked), undock it. See the documentation
that came with the docking device for instructions.
3. Connect the computer to an electrical outlet.
4. Turn on the computer. When the Dell logo appears, press 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
.
The computer boots to the selected device.
The next time you reboot the computer, the normal boot order is restored.
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