BIOS Changed

Specs: Mobo: Gigabyte B560 DS3H AC Cpu: I5 no integrated graphics Gpu: gigabyte 3060 oc 12gb Ram: 2x8 Ddr4 Tforce vulcanz Storage intel ssd 660p series Psu: unsure cause I don’t want to complete tear the case down. This is my brothers gaming pc that he had bought from a company and he’s used it...

I recently built a new machine: Core i7 6700K Sapphire R9 390 NITRO Asus Maximuss VIII Ranger Z170 32GB G.Skill DDR4 @ 2400 2xSSDs + 2xHDDs 750 Watt Thermaltake Tough Power Very odd issue I'm having is when I attempt to very slightly OC' the CPU - When going from default 4.2Ghz (turbo) to...