I'm asking if the Ryzen 9 is 5900x is a bad match for the motherboard: A520M PRO (MS-7D14). A computer engineer says that is it, and the conversation is their explanation.
I bought a Ryzen 9 5900x a year ago, but my brother couldn't figure out how to get my pc to start with it. Good news is that I know what I likely need to do. Bad news is that It's been a year, so I can't return it.
I'm talking to the partner of a best friend who is helping me upgrade my pc, and...