Version 19043.1348.
Motherboard is and old ASUS P6T Deluxe V2 with Core i7 920
GPU is Radeon R9 290

I disabled power saving for all USB devices in Device manager, but that didn't help.

The...

Windows is set up to turn off display after 10 minutes of inactivity.

I installed a new graphics card yesterday, and now when the monitors turn off, windows plays the sound of USB disconnected...

Thanks for your reply!

Since it only happens sometimes, it's very hard to troubleshoot it using safe mode/other account - since it may take a week before it happens... (and I need to use the...

Version 10.0.19043.1348 (but happened in previous builds too).

I put my desktop PC to sleep. Normally it works fine, and resumes fine when I turn it on again.

But sometimes it will turn off...