Asus ROG MAXIMUS XII HERO WI-FI Manual page 34

14. FlexKey button (Reset)
Press the FlexKey button to reboot the system. You may also configure the button and
assign a quick access feature such as activating Safe Boot or turning Aura lighting on
or off to the button.
This button set to [Reset] by default. You can assign a different function to this button in
the BIOS settings.
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Chapter 1: Product Introduction