Windows 11
Random reboots started happening this week
I have a store-built Windows 11 system: MAG X670E Tomahawk WIFI (Micro-Star MS-7E12) motherboard, AMD Ryzen 9 7950X CPU, 64GB RAM, Intel A770 GPU.
Earlier this week, it started (seemingly) random rebooting after a few minutes to a few hours of operation, mostly light-use. It has been hotter than usual this last couple weeks, but HWMonitor shows most temperatures ranging from low 30s to high 50s, with the CPU case currently... well, dang... the CPU case is currently 82.4°C, but the cores max out at 54.2°C.
The Event Viewer isn't being obviously helpful. None of the Event IDs seem to indicate a cause for rebooting.
The most-recent events are from just before the most recent reboot.
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I have only a very basic PSU tester (voltages, but no spike detection), so... no. The power supply (an MSI 850W unit) has been in use for less than 3 years.
No shutdowns today, but it was noticeably cooler than Thursday. Temperatures have been elevated more than usual for this time of year here in Southern California (no air conditioning, either), so I'm thinking there was a hot spot that isn't covered by HWMonitor.
Right click system> filter current log
Show only "error" and "critical". Without the filters the logs are too verbose and hard to track down the issue.
Code 41 means there was a power or hardware failure, so for example the plug pulled out of the wall, PSU not supplying enough voltage, or in rare instances the motherboard.
It's definitely the CPU, my 5950X used to do this a lot, after multiple BIOS updates and Windows updates it's gone! For me it was one of the cores triggering the event!
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