1. Make sure you have properly connected a USB memory key or external drive and that it is powered up. USB keys and slim portable drives are usually powered directly by the Kwilt device, but if your external drive requires to be powered by an external power adaptor, make sure it is connected to an electrical source with the power adaptor supplied by your hard drive vendor.
2. Check that your hard drive or memory key is readable from your computer. Once you can confirm it is readable from your computer, plug it back to the USB cable of your Kwilt and it should be recognized and accessible.