gpu artifacting

Hi there! I am a beginner builder and just built my first computer last January this year and I'm currently having a problem with my rig and I am not sure what to point at. It all started in July 5 when I've turned on my computer after coming home from work, the motherboard light just lit up...

*note - most of this post was created using Google's speech to text so if there are a bunch of grammar mistakes that's why. Hey everyone I recently upgraded to a 5800x3D from a 3900X. So far I've been happy with the benchmarks and system performance but I have been noticing some strange...