Need to go into your power management/power plan
You can find it in the control panel
Set your power options to high performance and then go to the drop down menu and adjust the settings to where your USB port/hub power is not controlled by Windows 7,8,10 OS
You want/need your USB PORTS to have/always have constant power
This should fix your issues, if you have already been using it with your USB ports power settings adjusted this way, then you may be having issues with your PSU or may need a powered USB hub
Hope this helps
TC