Hey there! I've been dealing with some frustrating random USB disconnections for over five years now. Sometimes all my connected devices disconnect for a split second, which happens around 2-3 times daily. I'm starting to think that my motherboard might be protecting my USB devices because it detects unstable power. So, I'm wondering if there's a way to check if my motherboard is receiving inconsistent voltage levels over a longer period? Here are my specs:
- Case: Corsair 5000D Airflow
- CPU: AMD Ryzen 9 5900X
- GPU: MSI Suprim X 3090
- Motherboard: MSI MEG X570 ACE
- CPU Cooler: NZXT Kraken Z73
- RAM: G Skill TridentZ Neo 2x32 GB @ 3600Mhz
- PSU: Corsair 1000W Gold
- Storage: 3x Samsung 970 Pro 2TB
- Fans: 4x Corsair LL120
I've already tried a lot of things like getting a new PSU, buying two UPS systems (the first one was offline and didn't have average voltage regulation), turning off USB selective suspend settings, ensuring my power plan is set to ultimate performance, updating the BIOS multiple times, and more. If anyone has suggestions or ways to monitor this voltage issue, please let me know!
2 Answers
Using an oscilloscope could help you monitor voltage levels, but you need to know where to connect the leads. Have you tried plugging your setup into a different circuit in your house or even a different location? It might sound weird, but sometimes the wiring can mess things up.
You can’t really check the voltage over time without some proper tools, like an oscilloscope. But have you made sure to disable any power-saving settings for the USB controllers? Also, check for any visible shorts in your setup. I/O shields can help if you don’t see any obvious problems.
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