Hello Apple community
I have for many years only had an iPhone with the same Apple-ID my parents created for me. They made an email attached to it which i didnt have access to. About a half year ago, I got my own Macbook and used the same old Apple-ID, but figured it was time for me to have control of my own account. I removed the old email from the Apple-ID, and choose my own email, which i actually use, as the primary email.
However, i have recently had the need to reboot my Macbook, but when i try to do that it still asks me to log out of Find-My connected to the old email. Even when i try to type the password to it, it gives me an error message saying that there was a problem with the account. This has frustated me for a couple of months and i have tried what i believe to be everything. Updated to the newest software version, changed the password on my Apple-ID, tried it through safe-mode, but nothing seems to work. I have called up Apple support in Denmark, where im based, and they didn't know what to do either. Please help me!