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Apple Computing Products:
macOS - Desktop Hardware
Late 2013 imac 27 no power
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<blockquote data-quote="MacInWin" data-source="post: 1861865" data-attributes="member: 396914"><p>Jonathan, Welcome to the forum. Your diagnostics have been very careful. I would have suggested you reset the SMC, except that being off power is the reset process for an iMac. <a href="https://osxdaily.com/2010/03/24/when-and-how-to-reset-your-mac-system-management-controller-smc/" target="_blank">https://osxdaily.com/2010/03/24/when-and-how-to-reset-your-mac-system-management-controller-smc/</a> </p><p></p><p>You might try a deliberate process to reset the SMC, following the directions in that article, but basically I think you've done that already. Can't hurt to give it another go. </p><p></p><p>I suggest this because I recent had the same symptom on a MBP where the fans started but it would not boot and an SMC reset rescued it.</p></blockquote><p></p>
[QUOTE="MacInWin, post: 1861865, member: 396914"] Jonathan, Welcome to the forum. Your diagnostics have been very careful. I would have suggested you reset the SMC, except that being off power is the reset process for an iMac. [URL]https://osxdaily.com/2010/03/24/when-and-how-to-reset-your-mac-system-management-controller-smc/[/URL] You might try a deliberate process to reset the SMC, following the directions in that article, but basically I think you've done that already. Can't hurt to give it another go. I suggest this because I recent had the same symptom on a MBP where the fans started but it would not boot and an SMC reset rescued it. [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
Late 2013 imac 27 no power
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