Question: Is it possible for PC to shut down unexpectedly without triggering a BSOD, even when under any load?
Question: Is it possible for PC to shut down unexpectedly without triggering a BSOD, even when under any load?
The core issue lies in the fact that the PC shuts down abruptly at any time, even when the PSU isn’t under heavy load, without triggering BSODs. Until the residual voltage drops, it remains unresponsive. The abnormal behavior remains puzzling, as this has never been seen before.
The highest power draw recorded on the watt meter reached 507 watts once in three years. With a 1000-watt PSU and considering the overall system usage, there appears to be sufficient power capacity. I suspect the fault might not be with the PSU itself. The voltage levels (5V, 3.3V, 12V) seem standard, and all stress tests, benchmarks (Superposition, OCCT, 3D Mark, Fur Mark, etc.), passed without issues. Both the PSU and the PC have been serviced, and no irregularities were found.
The system can power down under load or even without load. I attribute this to recent Microsoft updates, which are known for instability. It’s possible the power supply is the culprit, though this seems unlikely. I’ve attached the eventvwr logs for reference.
start ubuntu and verify the process there as well
reset the BIOS using a jumper
switch to another power supply unit
inspect components on a different machine
A "correct" power supply tester includes digital loads and additional tools. A multimeter only confirms the presence of a DC rail beyond the ATX specifications. I’d likely examine all rails using a storage scope to assess ripple voltage, which might point to a failing capacitor on the secondary side. It’s simpler to temporarily replace the PSU if needed.
If you’re operating at DDR4-3200 (the highest AMD recommendation for the 5700X), consider disabling XMP overclocking and reverting to the JEDEC default speeds of 2133 or 2400MT/s.
Have you completed a full MemTest86 run on your RAM? Even a single error could be causing crashes.
https://www.memtest86.com/
What applications are active when the system freezes, or is it random? I previously experienced crashes with Topaz Video AI until they released an update.
It’s true you’re using Windows 11, while I’m still on 10, but I haven’t encountered issues across multiple PCs and updates for years. Maybe version 10 is stuck in a long update cycle? I could test by running a Hyper-V VM with Windows 11.
After inspecting hardware, I usually install an affordable SATA SSD and reinstall Windows from a USB ISO. This process takes about 15 minutes from booting a USB stick to getting the Desktop ready, followed by another two hours for configuring Windows and running stability tests on the freshly installed system.
Thank you for your help, the issue ended up being with the power supply, so I swapped it with the same Corsair RM 1000x. MemTest passed. It seems the unit couldn't handle the load or there was insufficient power on one of the lines. Without an oscilloscope, I couldn't inspect all components directly. So far, the "flight" works fine with another power supply. I'll keep checking and hope nothing else comes up. Good health <3
During past power fluctuations, it seems the power supply might have experienced issues, possibly due to components like capacitors or resistors. Initially, problems were isolated, but over time they increased in frequency, leading to shutdowns. For the future, what might be causing this? Which part of the power supply handles loads or maintains a steady current?
Thank you as well, the issue was with the power supply, which I clearly recognized, but I still wanted to confirm. Good health <3
Most parts of a switched mode power supply are tasked with keeping output voltages steady. The flows on the 3.3V, 5V and 12V lines aren't consistent; they change constantly based on usage. Determining the cause is challenging, but it seems likely a semiconductor—such as a diode, transistor, or integrated circuit—might be involved. Without disassembling the PSU during testing, it's hard to pinpoint exactly what failed in your previous unit.
Power spikes could be contributing to its failure. I observed electric fixtures bursting when a generator kicked on during an outage. I recorded a voltage of 300V AC, then went to the generator site and asked staff to lower it to 240V. Equipment has limits before it can withstand stress, which likely led to costly repairs for the hotel management, especially if the fluorescent lights in many rooms needed fixing.
The label on a standard modern ATX PSU indicates 100V to 240V at 50/60Hz AC. My local power supply is 240V, and I've encountered voltages exceeding 250V at someone else's residence. PSUs can function above 240V or below 100V, but such extremes—even brief ones—can cause damage. Eventually, I'll need to clarify the standards used in PSU labeling, which seem to restrict operation outside this range. Despite extensive Electrical Safety and EMC testing in labs, I don’t recall specific details.