Hi phred,
External CD Drive connects via USB, and gets disconnected between uses. Always shows as "E" drive.
MB version is V.3.3.7367 store. I think installer version was Windows 10.
What I don't understand is how any CD in CD Drive is recognised by iTunes, but not by MusicBee. I've tried another (borrowed) CD Drive, and CDs were recognised and ripped into MusicBee library with no problem.
Any help / advice would be welcome!