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Overriding the boot-device sequence
When you turn on the unit, the BIOS checks the boot-devices for an operating
system, according to the specific sequence in the Boot menu. However, it is
possible to override this sequence and have the BIOS check a device that you
specify, regardless of its position in the Boot menu. This is possible using the
Boot Manager utility.
Boot Manager utility
Overriding the boot-device sequence is useful in cases when you occasionally need
to boot the operating system from another device. The Boot Manager utility
overrides the BIOS settings for the current boot, but returns to the original settings
for any subsequent boot. The advantage of this utility is that you do not have to
enter the BIOS Setup Utility to change the settings, and then enter the program
a second time to change these settings back to their original configuration.
The procedure to execute this utility is as follows:
1. During POST, press the Esc key.
2. From the presented window, select the Boot Manager utility. The Boot Manager
utility menu will appear. Displayed in this menu is a list of devices from which
the operating system can be booted.
Boot Option Menu
Boot_device1
Boot_device2
Internal EFI Shell
#
and
ENTER to select an option, ESC to exit
Overriding the boot-device sequence
Boot Manager
$
to change option,
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