


If your PC automatically recognizes the device, then the port is functional. For instance, if you have an external webcam, you can try plugging that to the USB port. Check your USB port’s functionality by connecting a different device to it.

You have to make sure that they do not have any damages. Underlying error: Operation not permitted: u'/Volumes/Kindle/driveinfo.The first thing you should do is check if there are physical issues with your computer’s USB port or with the cable itself. If you device has a "Reset to factory defaults" type of setting somewhere, use it. Common fixes are: try a different USB cable/USB port on your computer. You should contact the device manufacturer for support. IOError: Failed to access files in the main memory of your device. Underlying error: Operation not permitted: u'/Volumes/Kindle/driveinfo.calibre'įile "site-packages/calibre/gui2/device.py", line 90, in runįile "site-packages/calibre/gui2/device.py", line 473, in _get_device_informationįile "site-packages/calibre/devices/usbms/driver.py", line 163, in get_device_information This is the error i receive from Calibre in case this is need to help meĮRROR: Error: Error communicating with deviceįailed to access files in the main memory of your device.
