Axion 7 Widescreen Portable Handheld Tv Black Pretty Good, But... Can't Get Pictures On Digital Photo Frame..."no Media"?

Can't get pictures on digital photo frame..."no media"? - axion 7 widescreen portable handheld tv black pretty good, but...

I have an Axion 7 "Digital Frame, and I have put pictures on an SD card and connect to my laptop with a USB port and one part said" no "media. Any help appreciated.
Thank you.