Originally Posted by Turnstone
I had the same problems with my Kobo Touch. Tried everything (different computers, different cables etc.) and finally contacted the customer service. They recommended a factory reset, but with no results. In the end it seemed that the USB port of the Kobo was broken and I could exchange it for a new one at the shop where I bought it!
This is the problem I was trying to rule out because:
1. I am out of warranty, and
2. It was a gradual problem. When things break, they tend to stop working suddenly and completely.