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When you sign up with your Apple Account, you can provide valuable feedback to other community members by upvoting helpful replies and User Tips.
What causes the iMac develop a buzz/hum that only stops when shut down?
What is the fix for a low buzz that develops after being operational for some time?
The iMac that is making the noise is less than one year old.
iMac 27″, macOS 11.3
Noise generated by the iMac after warming up.
