I recently picked up a used Ryzen 5 3600 and tested it with a couple of games like Rust and Fortnite for around 20 minutes without any issues. However, when I ran Cinebench to check the CPU temperatures, something strange happened. The CPU temperatures were hovering around 86-87°C, with CCD0 peaking at 89.8°C but generally sitting at 87.6°C. After about 10 minutes, my monitor turned off even though the PC was still running—no blue screen or anything. I searched online for solutions and consulted with Gemini, who mentioned it might be an issue with my power supply or motherboard.
I'm currently using an old Njoy Woden 650W power supply, which has a questionable 80+ gold certification, and my motherboard is an ASUS PRIME A320M-A. I was advised to enable Precision Boost Overdrive (PBO), which reduced my CPU's GHz to 3.88 during Cinebench, allowing it to run for about 16-17 minutes before the monitor went black again. The VRMs were incredibly hot to the touch—burningly so after only a few seconds. What steps can I take to prevent this from happening?
2 Answers
I’d recommend making sure that your BIOS settings are dialed in properly. Try to avoid any AI overclocking or tuning features, and just enable D.O.C.P. and PBO manually. Also check if your BIOS and AMD chipset drivers are up to date and make sure your memory is running at the supported speeds (3200MHz-3600MHz). Honestly, it sounds like that power supply is not up to par—consider getting it tested or replacing it. You’ll also want to improve your cooling. Something like the Arctic Liquid Freezer III 360mm pro black really helps to lower temperatures significantly. Don't forget to clean any dust out of your PC, too!
You might want to try adding a case fan that directs airflow at the VRMs to cool them down. Another option is to invest in some small adhesive heatsinks for better heat dissipation. Just remember, running Cinebench stress tests can really push your hardware, so some users suggest avoiding them altogether if you're experiencing issues.
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