My PC occasionally shuts down and immediately restarts while gaming or running GPU-intensive applications. It happens when the GPU is near 99% usage, usually no more than once or twice per day. The problem started after I replaced my graphics card and power supply.
Current hardware:
- Gigabyte B760M DS3H AX DDR4 motherboard
- Intel Core i7-12700 processor
- NVIDIA GeForce RTX 5060 Ti graphics card — recently installed
- Corsair Vengeance LPX 32GB DDR4-3200 memory
- Samsung 980 Pro 1TB NVMe SSD
- Corsair CX650 power supply — recently installed; previously used a CX550
The UPS makes a clicking sound when the shutdown occurs, so I'm unsure whether the UPS is failing or having trouble handling the system's load. Could the issue be caused by the PSU, UPS, GPU temperatures, or sudden power spikes?
I've also had separate blue-screen problems when XMP is enabled, including BAD_POOL_CALLER and Kernel Mode Heap Corruption. The two memory modules have different revision numbers, so I'm considering replacing them with a matched kit. I'm especially concerned because unexpected shutdowns are causing unsaved work in After Effects.
2 Answers
For the blue screens, look in C:WindowsMinidump for crash dumps and analyze several of them rather than relying only on the error names. They may point to a driver or memory-related issue. Until the hardware is stable, disable XMP and avoid critical unsaved work during stress testing; enabling automatic project backups in After Effects would also reduce the risk of losing work.
Check whether the GPU is overheating or whether its driver installation became unstable after the upgrade. Use an overlay to log GPU temperature, hotspot temperature, clock speed, and power draw during a workload. A clean graphics-driver installation can also help. Since the shutdown is a complete power loss rather than a normal crash, prioritize the UPS, PSU, cables, and temperatures before focusing only on Windows.
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