If like me, you’ve heard the system BEEP! every time you accidentally mistype your password at the login screen a million times and you’re fed up of it, you might want to consider turning it off! It’s not immediately obvious, so here’s how:
1) Go to System>Preferences>Sound and click the “System Beep” tab.
2) Uncheck “enable system beep”
That’s it! No more beeps








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