All-in-one desktop computers from Apple. iMacs have been equipped with Intel processors since January 2006.

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Why is my fan running constantly?

I just changed the power supply in my EMC 2134 27" iMac .

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Fan sensor is havnig issues or the thermal paste is dry.

Check with SMC Fan Control for the temperature and fan control.

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A better tool is this one: Temperature Gauge Pro. If you post a screen shot of what it displays we might be able to aim you on what is needed.


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jkettleson will be eternally grateful.
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