I had then same problem with the Mini HDMI on my new Solo. After 2 days of tech support on the phone and having to take the solo apart to see if the cable was plugged into the board... I noticed under a powerful magnifying glass that the mini hdmi cable on the solo was buggered up!.. Very disappointed in Solo... the cable should be much better quality and not so stiff so it will not tear up camera's ports!!! Plus customer service tech call center is WAY TOO LOUD!!! the tech spent most of the time saying..." What, I can't hear you", or I didn't understand you... and I said its because all the other loud people talking on both sides of you..... That's all I could here too, is other people talking