I've been dealing with random shutdowns on my CyberPowerPC, which was working fine about two months ago. My build features a 7900XTX GPU, an MSI PRO X870P motherboard, and a 7800X3D CPU. I've tested both the 1000W modular PSU that came with the PC and a Corsair RM1000x replacement, suspecting a power supply issue.
The shutdowns happen about 5-10 minutes after booting, where the monitors go black and peripheral LEDs turn off, but the case fans stay lit. Afterward, it takes 2-3 minutes for the computer to reboot. I've noticed that swapping the 7900XTX for my older 2060 Super resolves the problem, leading me to think the issue might be related to the GPU or power supply. After sending the 7900XTX for RMA, the new card had the same shutdown issues, and switching the PSU didn't help either. The 2060 Super remains stable in the system.
Given this, do you think the motherboard or another component might be causing these random shutdowns? It's not overheating since temperatures are low, and I see no relevant logs in the event viewer. Any suggestions would be greatly appreciated!
4 Answers
Have you checked if there are any errors reported in the Windows logs? Running a tool to gather system info might shed some light as well. You can use something like 'Specify' to compile logs and hardware details. It can really help narrow down the culprit. If you get anything that seems off, it might point to the motherboard or another component.
It sounds like you've done most of the troubleshooting already, but let's delve a bit deeper. Since you mentioned the computer works fine with the 2060 Super, it indeed points towards the 7900XTX or its compatibility with your motherboard. The fact that the computer takes a while to reboot suggests it could be a power issue, even though you've tried different PSUs. It might be worthwhile to double-check the motherboard’s power connections and make sure everything’s seated properly. Also, have you looked into BIOS updates? Sometimes a simple update can fix compatibility issues with new hardware.
I agree with User123AX on this. Checking power connections and BIOS updates is a must. Also, try resetting the BIOS to defaults after the update. It’s a bit of a hassle but could resolve weird compatibility issues. If you continue to face problems, it might hint at a failing motherboard. Have you tried running hardware diagnostics? These tools can sometimes catch issues that aren't visible, even if there are no BSODs.
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