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Apple Computing Products:
macOS - Notebook Hardware
My mac keeps shut down randomly
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<blockquote data-quote="Sur3Mac" data-source="post: 901068" data-attributes="member: 113359"><p>I've heard that it could be a problem with a cable that runs between the heat sensor and the CPU's heatsink being too short.</p><p>The heatsink expands when operating the Mac,</p><p>which causes it to contact the heat sensor's cable and melt its insulation - hence, </p><p></p><p>a short circuit and a shutdown. Once the Mac is no longer running, the heat sink cools down and contracts during the process, </p><p>breaking the short circuit and allowing the machine to boot again (this expansion and contraction can happen pretty quickly, </p><p>so it would make sense if your machine can boot almost immediately after shutdown). </p><p></p><p>But I'd take Tim4rd's advice and take it in...<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>hope this helped</p><p></p><p>hope this helps</p></blockquote><p></p>
[QUOTE="Sur3Mac, post: 901068, member: 113359"] I've heard that it could be a problem with a cable that runs between the heat sensor and the CPU's heatsink being too short. The heatsink expands when operating the Mac, which causes it to contact the heat sensor's cable and melt its insulation - hence, a short circuit and a shutdown. Once the Mac is no longer running, the heat sink cools down and contracts during the process, breaking the short circuit and allowing the machine to boot again (this expansion and contraction can happen pretty quickly, so it would make sense if your machine can boot almost immediately after shutdown). But I'd take Tim4rd's advice and take it in...:) hope this helped hope this helps [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
My mac keeps shut down randomly
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