i am still having frustrations with the C2 also. i tested all the usb cables i have to see which ones worked with it, found one that did make it auto record once plugged in. last night i am on my way to work, plug it in... it just charges it... doesn't auto record, even though it did from a wall charger. unplug it and replug it a few times... nothing. get to work try a wall charger... nothing... just charging. so i start recording manually, then unplug it. now when i plug it in, it starts auto recording again. but for some reason it just decided it didnt want to 3-4 times prior.
i am going to try it more today, but I work 72 hours this week, dont have a day off until sunday, and I just switched to over nights so my sleep schedule is all kinds of messed up so I have little time this week to do much.