This might help unlocking advanced menu in insyde h20 bioses, thanks to Heavyhoma from bios-mods
It worked for me!
https://www.bios-mods.com/forum/Thread-Acer-v5-573g-Advanced-menu
05-18-2016, 04:10 PM (This post was last modified: 05-19-2016, 12:14 PM by
Heavyhoma.) BIOS Acer v. 2.30 Insyde h2o rev 3.7. Easy unlock menu)))) No flash firmware, no bios mod!!
Picture
https://drive.google.com/open?id=0B9mZukKW5aXOYjZIMHVqaXdidWc
Enter bios F2. Press Tab + Fn. Nothing. Save and exit. Enter bios. Congratulation))))))
But after shotdown settings is dissaper - no problem)