Dell Inspiron 4150 - Manual (Page 40)

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.
l 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.
l 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.
Changing Printer Modes
Set the Parallel Mode option according to the type of printer or device connected to the parallel connector. To determine the correct mode to use, see the
documentation that came with the device.
Setting Parallel Mode to Disabled disables the parallel port and the port's LPT address, freeing its interrupt for another device to use.
Changing COM Ports
Serial Port allows you to map the serial port COM address or disable the serial port and its address, freeing that interrupt for another device to use.
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HINT: You can only boot (start up) your computer from a CD, CD-RW, or DVD drive installed as a fixed optical drive. You cannot boot from one of these
modules installed in the module bay.