Three Years of Gaming, Then Five Weeks of AI Renders, Then a Melted Plug.
Somebody posted a photograph of a melted power socket on an RTX 4090 that had been fine for three years. They started generating video in mid August. By 20 September the machine shut down every time a render began. We cannot diagnose their card and neither can anyone else online, but the mechanism behind this failure class is documented, and it explains why a workload change can expose something a gaming load was hiding.