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Apple Computing Products:
macOS - Desktop Hardware
Mac Pro 2012 Random “Snap” Sound
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<blockquote data-quote="Nanco" data-source="post: 1823995" data-attributes="member: 50325"><p>I actually had the power supply open just a couple of days ago and didn’t notice any bulging capacitors or points of interest. I haven’t heard any sounds coming from the power supply itself, though I could swap it with the one from my backup system for a few days to help with troubleshooting. Thanks for the suggestion!</p><p></p><p></p><p></p><p>Haha! If that is the case, then the poor victims are incredibly courteous as not to make a mess inside my computer. Unless they’re disintegrated on impact then I don’t think this is the cause sadly. Great suggestion though! <img src="/images/smilies/rofl.gif" class="smilie" loading="lazy" alt=":rofl" title="ROFL :rofl" data-shortname=":rofl" /></p><p></p><p></p><p></p><p>The Mac is usually plugged into a power strip that is shared with some of my outboard gear, preamps, speakers etc. This strip is then plugged into the outlet.</p><p></p><p>My area is audio engineering so I have to be attentive to noise isolation and ensuring my gear is properly powered at all times. I haven’t noticed any interference in other gear that shares this power strip, however as of today I have bypassed that altogether and plugged the Mac directly into the outlet with a different power cable. So far, so good (touch wood) but it is still early days. I’ll only know for sure after a few days if this really has narrowed the problem down.</p><p></p><p>As for interference from other appliances in the building, I cannot say for sure without doing a full audit. As far as I’m aware, there are no other things interfering with the electrics right now as it would most likely be audible through the speakers first.</p></blockquote><p></p>
[QUOTE="Nanco, post: 1823995, member: 50325"] I actually had the power supply open just a couple of days ago and didn’t notice any bulging capacitors or points of interest. I haven’t heard any sounds coming from the power supply itself, though I could swap it with the one from my backup system for a few days to help with troubleshooting. Thanks for the suggestion! Haha! If that is the case, then the poor victims are incredibly courteous as not to make a mess inside my computer. Unless they’re disintegrated on impact then I don’t think this is the cause sadly. Great suggestion though! :rofl The Mac is usually plugged into a power strip that is shared with some of my outboard gear, preamps, speakers etc. This strip is then plugged into the outlet. My area is audio engineering so I have to be attentive to noise isolation and ensuring my gear is properly powered at all times. I haven’t noticed any interference in other gear that shares this power strip, however as of today I have bypassed that altogether and plugged the Mac directly into the outlet with a different power cable. So far, so good (touch wood) but it is still early days. I’ll only know for sure after a few days if this really has narrowed the problem down. As for interference from other appliances in the building, I cannot say for sure without doing a full audit. As far as I’m aware, there are no other things interfering with the electrics right now as it would most likely be audible through the speakers first. [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
Mac Pro 2012 Random “Snap” Sound
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