I don't understand the issue.
I don't understand the issue.
I understand all components work well together, but your motherboard isn’t recognizing the CPU. At first the fan failed, then it started after grounding. Now a red light appears on the 18-pin power cord indicating detection failure, yet everything powers up and fans spin. I’ve replaced the motherboard and PSU, but the issue persists. My PSU functions correctly. I’m unsure what to do.
Consider reinstalling RAM and the CPU. If this doesn't resolve the issue, it likely means the CPU or motherboard is faulty—probably the CPU. If you have a friend with a Ryzen system, ask them to test it first; this can help confirm the problem before proceeding with returns.
Tried another board, but the CPU seems to be nonfunctional. Also verify that the EPS connector is securely attached. It's hard to pinpoint exactly which component is faulty; it probably points to the CPU, though if the issue repeats with a replacement, the motherboard might be the problem.