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What worked for me when all else failed...
Authored by: JPBankston on Nov 07, '05 11:15:00PM
I tried every hint given from resetting NVRAM to playing around with the Energy Saver control pane. Nothing worked - my fans were at full speed all the time. Finally, I read this hint at macintouch about disconnecting the power cord and voila my iMac is silent once again.

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What worked for me when all else failed...
Authored by: johnsawyercjs on Apr 25, '07 12:34:27AM

That hint, for which only one step is to unplug the power cord, is the process of resetting the Mac's SMU (System Management Unit) chip.



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