To use an usb 30 controller in a virtualbox virtual machine under windows 7, you must first go to the usb section of your virtual machine's settings then, select : controller 30 (xhci) in the windows 7 guest operating system, you will see that windows couldn't automatically install the driver for the used usb bus controller since it doesn't. Usb 3 0 driver windows 7 virtualbox. Note: the intel
