Library missing after hard drive disconnection

Hi everyone,

I have a Denon Prime 4 and a Windows 10 PC. The Engine library and all my associated .mp3 music are located on the D: hard drive. Recently, I had a login issue with Windows, and I no longer had access to the D: hard drive and therefore to my Engine library. When I launched Engine, nothing appeared in the library; it was completely empty, no more track and cue point. So, I closed the Engine software, but I forgot that the automatic backup option was checked, so it backed me up like that. Now that I got back the access to my D: hard drive and I still don’t have a library displayed in the software.

I still have my library with my cue points and other on my Denon Prime 4’s SSD and when I connect it to my PC, my entire Denon Prime 4 library appears in the PC’s Software Engine. However, once I disconnect the Prime 4, there are no more libraries in my Software Engine. With this, the option to transfer from my Prime 4 SSD to my PC is not possible by the sync manager.

How can I get back my library from the Software Engine without the Denon Prime 4 connected, knowing that even with the backup the library still empty..?

That’s weird. Is “d:\engine library” folder present?

I would close engine, delete engine folders on c:\users\ {user} \music

Starting engine again teorically will find the “d:\engine library” DB’s and show your library.

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hi, this folder is present yes.. And after so many try, I have nothing

hey, the problem is not that, you didn’t read well, I only have acces to the collection when I connect my denon prime 4 to my computer now, when I disconnect, the collection is gone. And sadly engine can’t synch from the prime 4 to the computer, so I’m stuck and spend hours and hours since one week to find a way.

I put the engine library (without the MUSIC folder) from my denon prime 4 to my computer Engine library folder and now my collection appears but in red, I have to find a way to change the path in finding correpondance in my computer for all my 5000 tracks with chat gpt and powershell but that takes hours too and no result.

How can I get back my collection from my denon prime 4 ssd if my computer engine library folder doesn’t show it to me in engine software ?