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noisy fan

My Macpro sounds like a jetplane.

Mac Pro, Mac OS X (10.7.2)

Posted on Jan 28, 2012 3:19 AM

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Posted on Jan 28, 2012 6:18 PM

Try doing a smc reset.

4 replies

Jan 28, 2012 10:27 PM in response to tommy256

Maybe something is overheating (dimm, hard drive, whatever) requiring the fan to run high. Or a temperature sensor is going bad. You might consider using one of the temperature monitors like iStat Pro, Temperature Monitor, Hardware Monitor, or my favorite iStat Menus. It might help indicate which component is overheating if one is indeed overheating.


FWIW, there is a utility called smcFanControl for controlling fan speeds.

noisy fan

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