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

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How to resolve iMac audio degradation

the audio on my iMac has become very scratchy. how do I know if it’s the speakers or a different audio component part?

can external speakers be added to resolve the issue?

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On the back of your system you should see two 3.5-mm analog/optical combo output jacks one is the speaker and the other for the microphone. Just plug in a speaker to check it.

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