I would say, from reports on this forum, you may have problems using a particular cable or port. Once you find a cable and port that work, it is solid. I've had 6 Kobos and didn't have any problems until my latest laptop; one USB port is unreliable, so I a different USB port and don't have any problems.
Calibre always connects reliably for me.
Last edited by John F; 05-07-2021 at 02:16 PM.
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