If your USB device is not recognized by your computer, try running the Fix It utility provided by Microsoft. If it doesn't help, press the Windows + R key combination, type devmgmt.msc and click OK. Expand the Universal Serial Bus controllers list, right-click the USB driver and select Uninstall. Reboot your PC, plug in the USB device and click the Scan for hardware changes icon from Device Manager. Windows should automatically find an install the driver. If it doesn't work, you can check the Microsoft Support page for further solutions.