Exiting From The Setup Utility Program - Lenovo 40221GU Hardware Maintenance Manual

Chapter 5. Using the Setup Utility

Exiting from the Setup Utility program

When you finish viewing or changing settings, press Esc to return to the
Setup Utility program menu (you might have to press Esc several times).
If you want to save the new settings, select Save changes and Exit before
you exit. Otherwise, your changes will not be saved.
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