I recently had an external Hard Drive die and my Calibre Library was on it.
I had used 'Clickfree' device to backup all drives so was able to restore the Calibre Library to my 'C' Drive.
However, I changed the path to reflect this change in Calibre and sure enough my Library was displayed, however, all my books were 'empty', ie no content!.
I know from using I-tunes that if I 'consolidate' my Library I can, in theory at least, delete my music files from elsewhere on my computer, but it would appear not to be the case in Calibre.
I have had to start a new Calibre Library and am in the process of importing my book files from various places on my drives again.
Can anyone please advise what I should have done, and how to prevent this happening again.