I pressed CMOS button on by accident (instead of power on). What did I reset? Gosh I don't even remember what settings I changed before in bios :( : r/gigabyte
How to Clear CMOS (AKA Reset BIOS Settings)
How to clear CMOS on ASUS PRIME B450M-A (and II) Motherboard: 2 Methods
How to clear CMOS on a gigabyte motherboard - Quora