I had a Ship of Theseus moment after getting my laptop repaired by Apple. They pretty much had to replace everything except for the bottom case, so when I went

I had a Ship of Theseus moment after getting my laptop repaired by Apple. They pretty much had to replace everything except for the bottom case, so when I went to sign in with my apple id I got a message saying "we have sent a message to your other device". But there was no other device. Took over a month to resolve and I also kept getting the annoying pop up message asking me to check the ID.