I have a 1000 w cobra power 80 plus gold power supply, yes I have checked cables several times unplugged them, plugged them back again. Even tried with another power supply to be safe there are no faulty connections, same result.
I got mostly a new system
MSI B650 tomahawk wifi
AMD Ryzen 9 7900x
Nvidia GeForce 3080 ti
G-Skill trident Z5 neo rgb F5-6000J3636F16GX2-TZ5NR
I connected all the cables and the system starts all the fans and rgb start to light up. On the motherboard the ezdebug led for cpu and ram start to...