Lenovo 3000 Series - Manual (Page 51)

Lenovo Notebook Computer User Guide
Use [Fn] and [F6] to alter the priority.
3.2.5.2 Excluded from boot order menu
This menu displays the USB devices system used to boot up, such as
USB HDD, USB CD etc. You can press [Fn] and [F6] to add them to
the “Boot priority order”
3.2.6 The Exit menu
Once you have made all of your selections from the various menus
in the Setup program, you should save your changes and exit Setup.
3.2.6.1 Exit Saving Changes
Once you have finished making your selections, choose this option
from the Exit Menu to ensure the values you selected are saved to
Non‐Volatile RAM.
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