No longer able to connect to Kindle from Calibre

paulrow · 11-26-2015, 11:34 AM

I have been using Calibre for several years with no problem connecting to my Kindle (3rd Gen) from my laptop using Win 7. However, my laptop has now died and I am unable to connect Calibre to my Kindle using either my desktop pc or another laptop, both running Win 7.

The Kindle shows up in windows as a removable drive but Calibre will not connect. I can open the documents folder but can't access the driveinfo.calibre folder.

I get the following error message:

calibre, version 2.30.0
ERROR: Error: Error communicating with device

Failed to access files in the main memory of your device. You should contact the device manufacturer for support. Common fixes are: try a different USB cable/USB port on your computer. If you device has a "Reset to factory defaults" type of setting somewhere, use it. Underlying error: [Errno 13] Permission denied: 'L:\\driveinfo.calibre'

Traceback (most recent call last):
File "site-packages\calibre\gui2\device.py", line 87, in run
File "site-packages\calibre\gui2\device.py", line 463, in _get_device_information
File "site-packages\calibre\devices\usbms\driver.py", line 109, in get_device_information
IOError: Failed to access files in the main memory of your device. You should contact the device manufacturer for support. Common fixes are: try a different USB cable/USB port on your computer. If you device has a "Reset to factory defaults" type of setting somewhere, use it. Underlying error: [Errno 13] Permission denied: 'L:\\driveinfo.calibre'

I have tried running v2.44.1 but the results is the same.

Any help would be greatly appreciated.

theducks · 11-26-2015, 03:37 PM

driveinfo.calibre is a FILE
You should be able to open it with Notepad.exe if it is still good.

If not:
I suggest you try to repair that file system. It has become damaged

kovidgoyal · 11-26-2015, 09:54 PM

Reformat your Kindle drive as FAT32.

paulrow · 11-27-2015, 06:53 AM

Thanks for that.

I have been able to open driveinfo.calibre with Notepad.

It shows:

{"prefix": "E:/", "last_library_uuid": "e1e38823-5c56-40cd-8898-01b47c67da66", "device_store_uuid": "c778b1c1-4ec6-433e-9bf3-bbe3b9f492f8", "calibre_version": "2.35.0", "device_name": "Amazon Kindle", "date_last_connected": "2015-09-09T09:47:33.545000+00:00", "location_code": "main"}

What do I need to edit?

theducks · 11-27-2015, 09:46 AM

That was just a test that the file was still accessible.
If you could not open it, Calibre would have no better luck

BTW that is dated 9 Sep 15 and you were using Calibre 2.35

How many books? FAT has limits on how many files in the drive root (\ )

I just use author_sort-(1st letter) folders there, so I never hit the limit

You probably should reformat as Kovid suggests to FAT32 . you will lose the reading progress status as you will need to reload

11-26-2015, 11:34 AM	#1
paulrow Junior Member Posts: 2 Karma: 10 Join Date: Nov 2015 Device: Kindle	No longer able to connect to Kindle from Calibre I have been using Calibre for several years with no problem connecting to my Kindle (3rd Gen) from my laptop using Win 7. However, my laptop has now died and I am unable to connect Calibre to my Kindle using either my desktop pc or another laptop, both running Win 7. The Kindle shows up in windows as a removable drive but Calibre will not connect. I can open the documents folder but can't access the driveinfo.calibre folder. I get the following error message: calibre, version 2.30.0 ERROR: Error: Error communicating with device Failed to access files in the main memory of your device. You should contact the device manufacturer for support. Common fixes are: try a different USB cable/USB port on your computer. If you device has a "Reset to factory defaults" type of setting somewhere, use it. Underlying error: [Errno 13] Permission denied: 'L:\\driveinfo.calibre' Traceback (most recent call last): File "site-packages\calibre\gui2\device.py", line 87, in run File "site-packages\calibre\gui2\device.py", line 463, in _get_device_information File "site-packages\calibre\devices\usbms\driver.py", line 109, in get_device_information IOError: Failed to access files in the main memory of your device. You should contact the device manufacturer for support. Common fixes are: try a different USB cable/USB port on your computer. If you device has a "Reset to factory defaults" type of setting somewhere, use it. Underlying error: [Errno 13] Permission denied: 'L:\\driveinfo.calibre' I have tried running v2.44.1 but the results is the same. Any help would be greatly appreciated.

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11-26-2015, 03:37 PM	#2
theducks Well trained by Cats Posts: 29,812 Karma: 54830978 Join Date: Aug 2009 Location: The Central Coast of California Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A	driveinfo.calibre is a FILE You should be able to open it with Notepad.exe if it is still good. If not: I suggest you try to repair that file system. It has become damaged

11-26-2015, 09:54 PM	#3
kovidgoyal creator of calibre Posts: 43,866 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Reformat your Kindle drive as FAT32.

11-27-2015, 06:53 AM	#4
paulrow Junior Member Posts: 2 Karma: 10 Join Date: Nov 2015 Device: Kindle	Thanks for that. I have been able to open driveinfo.calibre with Notepad. It shows: {"prefix": "E:/", "last_library_uuid": "e1e38823-5c56-40cd-8898-01b47c67da66", "device_store_uuid": "c778b1c1-4ec6-433e-9bf3-bbe3b9f492f8", "calibre_version": "2.35.0", "device_name": "Amazon Kindle", "date_last_connected": "2015-09-09T09:47:33.545000+00:00", "location_code": "main"} What do I need to edit?

11-27-2015, 09:46 AM	#5
theducks Well trained by Cats Posts: 29,812 Karma: 54830978 Join Date: Aug 2009 Location: The Central Coast of California Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A	That was just a test that the file was still accessible. If you could not open it, Calibre would have no better luck BTW that is dated 9 Sep 15 and you were using Calibre 2.35 How many books? FAT has limits on how many files in the drive root (\ ) I just use author_sort-(1st letter) folders there, so I never hit the limit You probably should reformat as Kovid suggests to FAT32 . you will lose the reading progress status as you will need to reload