Guy who installed me this PC said i have newest BIOS… so i dont know what to do now, but cpu-z says i have bios F2 but on official motherboard website there are f3 f4 f5 bios… GA-AX370-Gaming 5 (rev. 1.0) Key Features | Motherboard - GIGABYTE Global
i found only 1 critical error, + many other errors…
PC crashing when processor performing on ± 100%… i cannot find auto-tweak option in bios 
it seems its not here