Reset
I can't reset my iMac and I got it from a family member and it was signed in as Teacher and there was no one password. Help me!!!!!
iMac 21.5", OS X 10.10
I can't reset my iMac and I got it from a family member and it was signed in as Teacher and there was no one password. Help me!!!!!
iMac 21.5", OS X 10.10
Follow the instructions, at > What to do before you sell, give away, or trade in your Mac - Apple Support
there was no password*
Reset