Imac Audio Out Buzzing

iMac making constant buzzing/humming noise - Apple Community

https://discussions.apple.com/thread/3931848

Oct 12, 2012 3:53 AM in response to jendyer In response to jendyer. I've just got my iMac 27" (bought October 2011) back from the Apple technical department where they explained the buzzing/ fluttering noise was a result of a poor power supply. They fixed it the same day.

IMAC Buzzing Noise From Top Left Corner FIXED!! / …

https://www.youtube.com/watch?v=wFc39ZIi0fo

iMac Audio issues...that damn annoying buzz | MacRumors Forums

https://forums.macrumors.com/threads/imac-audio-issues-that-damn-annoying-buzz.373774/

If the buzzing stops then the audio and video cables are two close together or are of bad quality. Composite video signals often cause problems with audio signals because of the high frequency....

IMac 27" buzzing sound. Very annoying!!! - YouTube

https://www.youtube.com/watch?v=9WbFqEZwvkI

iMac humming/buzzing | Mac-Forums

https://www.mac-forums.com/threads/imac-humming-buzzing.195322/

Pittsburgh, PA. Your Mac's Specs. 27" iMac Core 2 Duo, 4GB 1067 MHz RAM, iPhone 4S. Mar 19, 2010. #1. 27" C2D iMac... Whenever I shut down there is a seemingly electronic buzzing/humming noise coming from the top left of the machine. If I pull the plug while it is off, a split second later the sound stops and also right when I press the power button to …

SOLVED: iMac has a buzzing noise on the top back left ...

https://www.ifixit.com/Answers/View/82044/iMac+has+a+buzzing+noise+on+the+top+back+left+corner

If your AirPods Pro make crackling or ... - Apple Support

https://support.apple.com/en-us/HT211157

Make sure that you have the latest software on your connected iPhone, iPad, iPod touch, or Mac. Check that your connected device is nearby, and there's no wireless interference or obstructions between you and your device . Listen to audio from a different app to see if the app causes the issue. If you still experience sound quality issues—or if the issues increase in loud …