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Apple Computing Products:
macOS - Desktop Hardware
Mac Pro 2012 Random “Snap” Sound
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<blockquote data-quote="rachalmers" data-source="post: 1823967" data-attributes="member: 402263"><p>Hmm. So what else is on the same power circuit as the Mac? A fridge, stove, aircon or something else that’s switching on/off. A cloths iron?</p><p>Something that’s developed arcing in its switching. The resulting arc surge will be heard in the speaker as the EMF hits it.</p><p>and won’t do your Mac any good either. </p><p>Doesn’t even have to be the same plug, just near enough is all it needs.</p><p></p><p></p><p></p><p>Sent from my iPad using Mac-Forums</p></blockquote><p></p>
[QUOTE="rachalmers, post: 1823967, member: 402263"] Hmm. So what else is on the same power circuit as the Mac? A fridge, stove, aircon or something else that’s switching on/off. A cloths iron? Something that’s developed arcing in its switching. The resulting arc surge will be heard in the speaker as the EMF hits it. and won’t do your Mac any good either. Doesn’t even have to be the same plug, just near enough is all it needs. Sent from my iPad using Mac-Forums [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
Mac Pro 2012 Random “Snap” Sound
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