Are you sure calibre ever saw this device? Kobo updated the hardware in the Aura Edition 2 and Aura H2O Edition 2 and changed one of the USB IDs used. The KoboTouch driver had to be updated to handle this. This was done in calibre 3.20. No version of calibre before that would have been able to see your device.
Anyway, the answer is to update calibre.
Last edited by davidfor; 05-28-2018 at 08:16 PM.
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