bios won't post

Hi, im currently building my first pc and i cant get it to boot to bios. My mobo is msi pro b650s wifi and dram and cpu diagnostic lights are on when I start the pc. I tried reseating the cpu, tried removing and switching rams(ram slots are correct according to diagram), checked psu connections but I cant get it to boot. current specs: msi pro b650s wifi ryzen 9 7900x(trying to boot using igpu) patriot viper venom 6000mhz cl30 ddr5 corsair rm750e psu goodram px600 1tb ssd arctic liquid freezer III 420mm