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Try starting it in Safe Boot: Restart the Mac Air. Press and hold the shift key just after you hear the startup tone.
Release it when the Apple logo appears. Safe Boot will then appear on startup screen. Try to remove it then.
Release it when the Apple logo appears. Safe Boot will then appear on startup screen. Try to remove it then.
Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.

