I think class 10 sd cards are not supported. I've tried with two separate ones. The same files work on class 4...
Anyone noticed the same issue? Or I am doing something wrong?
-- MaxeMitch

Actually, it doesn't seem to depend on class. but some cards I just can't seem to get to be recognised. I tried reformatting them in every possible way. Does anyone know another trick, or an idea what the issue could be?