Question No signal to monitor from GPU

Aug 21, 2019
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I just recently bought the parts to build a PC and everything worked fine for about 3 weeks when one of my RAM sticks stopped working so i replaced those and now my graphics card will not display anything to the screen. It has power and the fans are spinning but nothing displays when I boot it all up. I tried replacing the original GPU with the same model but the same problem still remains. Right now im just using the on board graphics.

Parts:

Mobo- B450M Bazooka V2
CPU- Ryzen 3 2200G
RAM- CORSAIR vengeance DDR4 8gb
GPU- PowerColor Red Dragon Radeon RX570

Any help would be much appreciated.