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System Setup Program 87
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.
The next time you reboot the computer, the previous boot order is restored.
Changing COM Ports
Serial Port, which is located in the Onboard Devices category, allows you to map the serial port COM
address or disable the serial port and its address, which frees computer resources for another device to
use.