Once the best drivers for the device are already installed, click Close tab to exit. Check if USB Device Descriptor Request Failed) still occurs. Solution 7: Disable USB Power saving mode ...

If you receive The request failed due to a fatal device hardware error while copying files between an external hard disk or when you have multiple disks connected see ...

There are several factors that can cause Unknown USB device (Device Descriptor failed) wherein USB device is not recognized such as hardware issues with the USB port, a corrupt or outdated drivers ...