My computer keeps having random hard crashes without minidumps. Sometimes, the CPU's lights remain on, but the screen is black and the computer is oth

[Microsoft Windows]

It seems to crash more often when playing demanding games, but sometimes randomly shuts down even when idle or just websurfing. No crash logs are produced, and I'm not sure how to read my event viewer logs. I've attached screenshots; do let me know how I can upload the event logs themselves if they would help diagnose the problem. My specs: 1,200 Watt PSU (I upgraded from an 850 Watt PSU which also had the same problem, so I don't think it's a PSU issue) AMD Ryzen 7 7800X3D MSI PRO B650-S WIFI (MS-7E26) Zotac RTX 3090 Ti 32GB DDR5 SDRAM from Corsair Microsoft Windows 11 Enterprise (x64) Bui

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