Full system specs... Cpu, Gpu, Mobo, monitor etc and very important make and model of PSU then someone can help !! The info above is a wee-bit threadbare!!
I changed my case.
It used to always work before I switched.
not new.
Make idk and model is the Corsair VS550
And Ryzen 3 1200
Corsair vengeance 2×4 GB ram
Radeon 580