如何确定是 GPU 还是 PSU 导致关机?

如何确定是 GPU 还是 PSU 导致关机?

几天前,我的 PC 一直处于持续 (在负载下 15-20 分钟) 关机状态,这种现象是自发发生的。这些关机就像有人拔掉了我 PC 的插头,然后又启动了一样 - 没有 BSOD。我已经采取了所有常规步骤来确定导致它们的原因,但我仍然不知所措。我唯一的直觉是它与我的 GPU 或 PSU 的用电量有关 - 很难区分哪个是,因为 GPU 消耗的电量很大。有没有办法 (除了更换零件) 判断是什么导致了关机?OCCT GPU 和电源测试导致关机 - 但温度正常。CPU 测试不会导致崩溃。我认为这意味着它与功率有关,但是总功率从未超过 550w。

我可以监控 OCCT 或 HWInfo 中的任何指标吗?

以下是我的系统以及我尝试诊断或修复该问题的方法:

- HWINFO Monitoring temperature (all averages and max temps are in
  normal range when shutting off- nothing above 85c)
- Checked fans (all working and at good RPMs)
- Removed dust and airflow obstructions
- Temp throttling not even triggering before crash
- Updated CPU, GPU drivers, as well as Windows
- Ran Windows Memory Tool, System File Checker, and antivirus scan
- Reviewed Event Viewer but the logs are not informative and just    indicate a shutdown occurred
- Disabled fast boot
- Checked SSDs and are all healthy
- Moved plug from power bar and tried different outlets.
- Removed extra SSD but OCCT GPU benchmark still causes crash
- Reseated GPU, Ram, and SSD
- Cleared CMOS

系统:

Windows 11 Home
Intel Core i5-12600KF
MSI PRO Z690-A DDR4(MS-7D25)
GIGABYTE RTX 3080 GAMING OC LHR (GV-N3080GAMING OC-10GD_A)
32GB DDR4-3200
PSU 850W Coolmaster fully module

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