In iTunes, how do I deauthorize another computer that is dead?
How do I use iTunes to deauthorize an old dead computer that no longer works, so I can play my songs on my new computer?
iMac, OS X 10.10
Question marked as
You will need to "deauthorize all" and then reauthorize the ones you still have. See: Authorize or deauthorize your computer for iTunes Store purchases - Apple Support