When you call the mechanic and he asks you what is wrong with your car and you say " it ain't working, how can I fix it? " what do you think the mechanic is going to ask you next?
With absolutely no information on anything except your "STUFF" is having error 195 see if this will help. mind you, just a completely 100% guess based on your post: https://www.amd.com/en/support/kb/faq/gpu-kb195