My V2 has had a dodgy USB connection since day 1. I spoke with our local rep about it but I didn't want to part with it at the time so threw it in the draw.
Now the Cobra project is back on I got it out and had to find out what was wrong, it was annoying me real bad had it would disconnect if you even looked at it sideways.
To my suprise and probably yours, I found the 4 pins of the USB receptacle have not been soldered to the board.
I can take it to town and get it soldered but thought I would alert support in case they want to grease it and shove it in the power port of the lazy robot that forgot its job.
Pic of unsecured pins and paperwork sent to support@efilive.com