I accidentally discovered that pressing Fn-F on my VivoBook S15 cycles through Whisper Mode, Balanced Mode and Performance Mode. What are these three modes and where do they fall under Windows 10?
I could find no mention of Fn-F in the manual dlcdnets .asus. com/pub/ASUS/nb/X521EA/0409_E16506_X521EA_EQ_A.pdf
What other secret key combinations are there?