Originally Posted by kovidgoyal
The default path that books are saved under has changed. I suggest deleting all files on your card and resending with calibre.
OK, I will do. only one more question: If I resend them to sd, they will be stored again under non-default path, so I will not be able to see them in ereader, as is happening now. Before that, How can I restore default path?, the one I had before which was working...