how to login my iMac 27' 2014 late with big sure os when I changed Apple ID and have recovery key, I have in my eco system devices as: iPhone 13 pro max, iPhone SE, MacBook Pro m1 16', and Apple Watch ultra.
I can't login in iMac 27' late 2014 after changed Apple ID, and it disappear from my Ecco system. I have one for all Apple ID for my devices.
iMac Line (2012 and Later)