Kobo Clara HD - Calibre not pushing ebooks to device

stymiee · 12-04-2024, 06:32 PM

As the title says, when I try to put new ebooks (epub) on my Kobo Clara HD with Calibre, it says it successfully added them. But when I check the device they are not there and when I reconnect the device to Calibre, it also says they are not on the device.

I do not know when this started but I can reproduce the issue on 7.20.0, 7.21.0, and 7.22.0.

PeterT · 12-04-2024, 06:35 PM

Does calibre report a corrupted database?

Do you have Kobo Utilities installed in calibre. If so have it perform a database check.

Do you have koreader on your Kobo?

When you disconnect your device from your computer do you see a message on the Kobo screen that it is importing content?

Sent from my Pixel 7a using Tapatalk

JSWolf · 12-04-2024, 07:02 PM

Are you using the latest firmware which is 4.38.23171? There has been a known firmware that can cause database corruption. The current firmware fixes that issue.

stymiee · 12-04-2024, 07:59 PM

Quote:

Originally Posted by PeterT

Does calibre report a corrupted database?

No

Quote:

Originally Posted by PeterT

Do you have Kobo Utilities installed in calibre. If so have it perform a database check.

No. I tried to install it but could not find the plugin.

Quote:

Originally Posted by PeterT

Do you have koreader on your Kobo?

No. Should I?

Quote:

Originally Posted by PeterT

When you disconnect your device from your computer do you see a message on the Kobo screen that it is importing content?

No.

Quote:

Originally Posted by JSWolf

Are you using the latest firmware which is 4.38.23171? There has been a known firmware that can cause database corruption. The current firmware fixes that issue.

Yes. I am using the latest version of the firmware.

stymiee · 12-04-2024, 08:14 PM

Quote:

Originally Posted by PeterT

Do you have Kobo Utilities installed in calibre. If so have it perform a database check.

Nevermind. Found and installed it.

stymiee · 12-04-2024, 08:30 PM

Using the Kobo Utilities Device Database Check I get the following response:

Quote:

Result of running 'PRAGMA integrity_check' on database on the Kobo device:

ok

PeterT · 12-04-2024, 09:08 PM

Good so this shows no issues with the database. The iobky reason I asked about koreader is that it can cause issues with books being added to the Kobo database, and the database on the Kobo is used to populate the books on device view.

The lack of importing content message is significant though.

Is the date / time set correctly on your Kobo?

You are sending ePub format I presume.

You are cleanly ejecting the device from the PC?

Have you tried rebooting your Kobo?

DNSB · 12-05-2024, 12:30 AM

Other question is where are you sending the books on your Kobo? I would recommend a folder/directory in the root as the base for the library (I like ebooks as the name since it is meaningful and short). The root directory has a limited number of directory entries so not a good idea to use it. Using any directory whose name starts with a . (.kobo for example) and it's subdirectories is also a bad idea

stymiee · 12-05-2024, 10:09 AM

Quote:

Originally Posted by PeterT

Is the date / time set correctly on your Kobo?

Yes

Quote:

Originally Posted by PeterT

You are sending ePub format I presume.

Yes

Quote:

Originally Posted by PeterT

You are cleanly ejecting the device from the PC?

Yes

Quote:

Originally Posted by PeterT

Have you tried rebooting your Kobo?

I've turned it off and then back on. I see that I can do a reset by holding the power button for 15 seconds. If I do this, will that cause my Kobo to reset itself back to factory settings (wipe out my ebooks)? If not, I'll try that next.

Quote:

Originally Posted by DNSB

Other question is where are you sending the books on your Kobo? I would recommend a folder/directory in the root as the base for the library (I like ebooks as the name since it is meaningful and short). The root directory has a limited number of directory entries so not a good idea to use it. Using any directory whose name starts with a . (.kobo for example) and it's subdirectories is also a bad idea

Everything is in the root directory as I am assuming Calibre uses that by default. Is it possible to change that directory without losing my reading data? (I'll look into this as well).

PeterT · 12-05-2024, 10:35 AM

You're sure you've tried a power off / on? Screen should change to saying powered off and then the device will start the power on (3 circles flashing).

Rather than a reset via the power switch you can go to Settings | Account and do a sign out from your Kobo account. This will delete the database on your Kobo and remove any books from the Kobo store but will not delete books sent from calibre from the device

You will however have to through the setup steps again

Sent from my Pixel 7a using Tapatalk

stymiee · 12-05-2024, 11:08 AM

Quote:

Originally Posted by PeterT

You're sure you've tried a power off / on? Screen should change to saying powered off and then the device will start the power on (3 circles flashing).

Yes. This is exactly what I see.

Quote:

Originally Posted by PeterT

Rather than a reset via the power switch you can go to Settings | Account and do a sign out from your Kobo account. This will delete the database on your Kobo and remove any books from the Kobo store but will not delete books sent from calibre from the device

You will however have to through the setup steps again

Good news is I can see the books on my Kobo now. Looks like they may have always been there but the Kobo just didn't know it (i.e. not in the database). Bad news is I lost my reading data. But it seems like I may be good to go. I'll know for sure when I try to add a new book again.

Thank you both for your help.

PeterT · 12-05-2024, 11:37 AM

Yes; I forgot to mention that ALL the info including reading status is stored in the database!

12-04-2024, 06:32 PM	#1
stymiee Junior Member Posts: 6 Karma: 10 Join Date: Dec 2024 Device: Kobo Clara HD	Kobo Clara HD - Calibre not pushing ebooks to device As the title says, when I try to put new ebooks (epub) on my Kobo Clara HD with Calibre, it says it successfully added them. But when I check the device they are not there and when I reconnect the device to Calibre, it also says they are not on the device. I do not know when this started but I can reproduce the issue on 7.20.0, 7.21.0, and 7.22.0.

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12-04-2024, 06:35 PM	#2
PeterT Grand Sorcerer Posts: 13,512 Karma: 78910202 Join Date: Nov 2007 Location: Toronto Device: Libra H2O, Libra Colour	Does calibre report a corrupted database? Do you have Kobo Utilities installed in calibre. If so have it perform a database check. Do you have koreader on your Kobo? When you disconnect your device from your computer do you see a message on the Kobo screen that it is importing content? Sent from my Pixel 7a using Tapatalk

12-04-2024, 07:02 PM	#3
JSWolf Resident Curmudgeon Posts: 79,756 Karma: 145864619 Join Date: Nov 2006 Location: Roslindale, Massachusetts Device: Kobo Libra 2, Kobo Aura H2O, PRS-650, PRS-T1, nook STR, PW3	Are you using the latest firmware which is 4.38.23171? There has been a known firmware that can cause database corruption. The current firmware fixes that issue.

12-04-2024, 09:08 PM	#7
PeterT Grand Sorcerer Posts: 13,512 Karma: 78910202 Join Date: Nov 2007 Location: Toronto Device: Libra H2O, Libra Colour	Good so this shows no issues with the database. The iobky reason I asked about koreader is that it can cause issues with books being added to the Kobo database, and the database on the Kobo is used to populate the books on device view. The lack of importing content message is significant though. Is the date / time set correctly on your Kobo? You are sending ePub format I presume. You are cleanly ejecting the device from the PC? Have you tried rebooting your Kobo?

12-05-2024, 12:30 AM	#8
DNSB Bibliophagist Posts: 46,191 Karma: 168983734 Join Date: Jul 2010 Location: Vancouver Device: Kobo Sage, Libra Colour, Lenovo M8 FHD, Paperwhite 4, Tolino epos	Other question is where are you sending the books on your Kobo? I would recommend a folder/directory in the root as the base for the library (I like ebooks as the name since it is meaningful and short). The root directory has a limited number of directory entries so not a good idea to use it. Using any directory whose name starts with a . (.kobo for example) and it's subdirectories is also a bad idea

12-05-2024, 10:35 AM	#10
PeterT Grand Sorcerer Posts: 13,512 Karma: 78910202 Join Date: Nov 2007 Location: Toronto Device: Libra H2O, Libra Colour	You're sure you've tried a power off / on? Screen should change to saying powered off and then the device will start the power on (3 circles flashing). Rather than a reset via the power switch you can go to Settings \| Account and do a sign out from your Kobo account. This will delete the database on your Kobo and remove any books from the Kobo store but will not delete books sent from calibre from the device You will however have to through the setup steps again Sent from my Pixel 7a using Tapatalk

12-05-2024, 11:37 AM	#12
PeterT Grand Sorcerer Posts: 13,512 Karma: 78910202 Join Date: Nov 2007 Location: Toronto Device: Libra H2O, Libra Colour	Yes; I forgot to mention that ALL the info including reading status is stored in the database!