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Recent Random Reboots


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In the last two/three weeks I have been have a number of unexplained reboots. Hardware wise nothing has changed and I don't believe it's a software issue. The reboot sometimes happens hours after gaming, or it can happen a few minutes after turning the computer while it is idle. Some times it will reboot 2 or 3 times in a row. It has even reboot twice while being in the bios menu. It feels very much the same problem as this old post.

The Windows event logs just has EventID 41 Kernel-Power.

These are the steps I have try so far to debug the issue:

  1. Monitored the temperatures, they holds steady under benchmark
  2. Swapped out the video card (3090) for RX5700 xt
  3. Taken out 2 of the 4 sticks of memory
  4. Taken out the other 2 sticks of memory

The setup up:

  • CPU: AMD Ryzen 5 3600X
  • CPU Cooler: Corsair H55
  • Mobo: Gigabyte X570 Aorus Pro
  • Memory: 4x 8GB DDR4-3200 CL16
  • NVME: Sabrent Rocket 2 TB M.2-2280
  • Video: 3090 which was a upgrade in August from RX 5700 XT
  • Case: Corsair 110R
  • PSU: Corsair RM750X
  • Fans 2x Corsair ML120
  • Cables: All the ones provided by the PSU.

The machine was built in December 2019 with the only upgrade being the video card in August. As I mentioned before it has been running sweetly for the last few years and 3 months with the new video card.

I have update all of the drivers to the latest. Including the bios which was pretty scary with a machine that randomly reboots.

My gut feel is that there might be an issue with the PSU.

  1. Is there anyway to confirm that without using a second PSU?
  2. Any stats I could look at?
  3. Is there anything else I can try to debug the problem?

Thank you in advance for any help you can offer.

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