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Old 11-26-2015, 11:34 AM   #1
paulrow
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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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Old 11-26-2015, 03:37 PM   #2
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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
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Old 11-26-2015, 09:54 PM   #3
kovidgoyal
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Reformat your Kindle drive as FAT32.
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Old 11-27-2015, 06:53 AM   #4
paulrow
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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?
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Old 11-27-2015, 09:46 AM   #5
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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
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