Thread: Calibre doesn't detect books on device
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Old 02-21-2021, 08:13 AM   #6
davidfor
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Posts: 24,905
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Join Date: Jul 2011
Location: Sydney, Australia
Device: Kobo:Touch,Glo, AuraH2O, GloHD,AuraONE, ClaraHD, Libra H2O; tolinoepos
Quote:
Originally Posted by Apollucas View Post
The file is 2.257 bytes large.
Do you have the right units for that? 2.257MB would be more likely.
Quote:
Now that you mention it, I don't see those books in my default reader.
By, "my default reader", do you mean the nickel (the Kobo application)? If so, are you putting the books on the device in a place that nickel does not search? Or are you only using KOReader.

To be clear about somethings:
  • The KoboTouch driver reads the database that nickel uses to find the books that are on the device.
  • For a book to be seen as on a Kobo device, after sending it to the device, you need to eject the device and let the import process run. When you connect the device the next time, the book should be seen by calibre.
  • Because of the above, if you send a book to the device and close and reopen the calibre without ejecting the device, calibre will not see the book on the device.
  • There is a way to hide books from nickel. This is commonly used by people who mainly use one of the alternative ereader applications. If you use this, the nickel will never import the books and hence calibre will not see them when you reconnect.
  • If the import of a book fails on the device, this can prevent other books from being imported. The import failure is usually because of an error in the book. You need to remove this book before the other book will be imported.
  • If the database on the device is corrupted, this can prevent the details of imported books being written to the database. This will again mean that calibre will not see the books on the device. Depending on exactly the problem in the database, you might get an error when you connect. But, not always.

That should cover most situations. The things to know are if the books are definitely on the device, and if the import runs properly.
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