I have a new HD220 that I just received about a month ago. I was using it in my office for testing playback quality of client provided videos before loading onto units in the field (uploading content via local networking). The unit worked just fine for about a week then it just stopped working and all I see is the yellow Upd LED staying on. I have tried multiple times to reboot with and without the SD card.
Any clues on what I can do to get this unit working again?