Question No post, bios update?

[Well27]

I have built a ryzen 5 2600 and b450 tomahawk system ( rx 580 8gb GPU ).
I remember doing some sort of bios update to get it to post(the debug led says cpu and ram are fine but vga never lights up). Yesterday, After trying to boot on xmp 2 i was getting no post so i cleared cmos.But now i can't Remember what update it was!Can someone help me?

 

[jay32267]

"says cpu and ram are fine but vga never lights up"

Are the cpu and ram leds staying lit? If so, that generally indicates a problem.

 

[Well27]

No, they are not.They Just light up and the off.