3d switching from high speed hub to full speed?

I have found that occasionally my Nvidia stereo controller will switch from a highspeed usb hub to a full speed usb hub. It then prompts me to connect it to a usb 2.0...well, it is contected to a usb 2.0. Why is it switching from a hub thats fast enough, to one that isnt. I could just as easily disable the annoying message, but I have been having TONS of problems with it flickering at random intervals. Not sure what is causing it, I do occasionally have high dpc latency...though, yet again. Not sure what is causing that either.

Main ? is why would it change from a high speed hub in device manager, to a full speed one..without me changing usb ports in the first place?
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More about switching high speed full speed
  1. Try to switch of the power saving mode for the USB ports from the device manager. it might solve the problem. It's something " Allow the device to switch itself off to save power" remove the Tick from there.
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