I have an AMD Ryzen 5800X3D and I experienced overheating for the first time last night, which caused my PC to shut down. After reapplying thermal paste, the temperatures went from a normal idle of 55°C to a shocking 110°C during just 30 minutes of gaming! I'm really at a loss for what to do here.
5 Answers
If you’re using an AIO cooler, check if the pump is functioning. If it’s vibrating like usual, that’s a good sign, but you might want to ensure that water is circulating properly. If one of the pipes feels significantly cooler than the other, that could indicate a problem.
It sounds like your cooler might not be properly mounted. A sudden jump from 55°C to 110°C is really concerning. You should definitely check to make sure it’s securely attached and not loose.
Have you tried underclocking your CPU? Setting the all core to around -30 could help stabilize temperatures. Many users report significant drops in temps with that adjustment.
Make sure you cleaned the old thermal paste off properly with rubbing alcohol before applying new paste and re-mounting the cooler. It's important for ensuring good thermal contact.
It could be an issue with the cooler installation or maybe your AIO cooler is faulty. If you're unsure, a good way to test would be to replace it with a new one to see if that resolves the heating problem.
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