Model A1224 / Mid 2007 and Early 2008 / 2, 2.4, or 2.66 GHz Core 2 Duo processor

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Why is my fan making a surging sound?

My iMac is making a continuous surging fan sound. Also, It does not shut down properly. I have to hold the power button to shut down. The fan surging sound continues even after forced shut down.

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Sounds like your power supply is faulty....the fan should stop when the computer is off.

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Thanks Jeff,

I suspected that this might be the case since, I've had several power outages. I only have a surge protector, but am about to invest in a good countinuous power supply.

Do I need to take my iMac to an authorized dealer to have the power supply replaced?

Rick Ducharme

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Rick DuCharme will be eternally grateful.
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