One day my external hdd (WD elements 2tb) And headphones (redgear hellfury pro) stopped working.other devices like pendrives were also not showing up. I went in device manager and tried uninstalling and then installing nothing happened. After looking on the internet i figured i need an external powered usb hub. So I bought that and now my hdd and pen drives are working just fine but when i insert the usb headphones all of my usb devices that are plugged in the usb hub stop working. Need help