iMac HD used as an external drive for MacBook
All my music is on my old iMac HD. Ever since I took it out of the iMac and set it up as an external drive for the MacBook, I can't access my music ??
Question marked as
It may be worth trying the shift-start-iTunes method (option on a Mac) to actively select the .itl file that should contain your library. See the 'Create or choose a library' section in:
Use multiple libraries in Music on Mac - Apple Support