It drives me nuts because I have to power down when I go to bed because it drives me nuts.
Does the sound occur if you just put your Mac Mini into
Sleep mode???
Just for a diagnosis attempt, do you still get the sound if you boot your Mac Mini up into Safe Boot Mode???
Start up your Mac in safe mode
Starting up in “safe mode” may help you diagnose problems you have with your Mac.
support.apple.com
Do you use any
Mac Fan Control utility??? If so, have you tried changing any or all of its optional settings???
Try changing your System Preferences > Energy Saver for anything to do with wake or sleep for your drive or Network.
Are you using a spinner hard drive or solid state drive???
+1 for
Nick's suggestion #2 in his #11 post above. Definitely worth a try.
it is definitely a audio file of some sort. It is the same length in time and sounds the same every time. And very random but frequent.
Actually, to me it sounds like a cooling fan's noise suddenly trying to adjust to try a different speed and then back to normal. But that doesn't make sense if you're not even using the computer. So hmmm... ????? The search and cause continues...
- Patrick
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