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Apple Computing Products:
macOS - Desktop Hardware
iMac random shutdown
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<blockquote data-quote="chscag" data-source="post: 1463251" data-attributes="member: 46727"><p>It would be unusual for a hard drive defect to cause the machine to shut down completely. Hard drive problems can cause sudden reboots though. Although I would not rule it out. However, swapping out a hard drive in an iMac is a rather difficult task as the entire display has to be removed in order to get at the inside of the machine.</p><p></p><p>Something else that can cause shutdowns is overheating. If for example, the CPU fan in your iMac should quit, the machine would shut down rather quickly to avoid damage.</p></blockquote><p></p>
[QUOTE="chscag, post: 1463251, member: 46727"] It would be unusual for a hard drive defect to cause the machine to shut down completely. Hard drive problems can cause sudden reboots though. Although I would not rule it out. However, swapping out a hard drive in an iMac is a rather difficult task as the entire display has to be removed in order to get at the inside of the machine. Something else that can cause shutdowns is overheating. If for example, the CPU fan in your iMac should quit, the machine would shut down rather quickly to avoid damage. [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
iMac random shutdown
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