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imacintel

macrumors 68000
Original poster
I was really scared, it was on for like 15 minutes.



Now it sounds normal.

Has this happened to you?


😱
 
kevin.rivers said:
My 20" is quiet, never had this happen to me.

What could this be?

Its happened three times today.

I thought this was a battery power issue, and my iMac has no battery. 😕

😕
Maybe i will try Magic Noise Killer
 
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