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Switcher Hangout (Windows to Mac)
iMac Unexpected Shutdown
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<blockquote data-quote="chas_m" data-source="post: 1213595"><p>There are basically three reasons why a Mac would shut down on its own:</p><p></p><p>1. Power failure.</p><p>2. Serious component failure.</p><p>3. Overheated.</p><p></p><p>I think we can discount #2, since it's working properly now. If it was #3, you'd have had to have left it chugging along on something very intense OR the unit is in a very badly-ventilated spot, but either way if that was the cause it will probably happen again at some point, and then you'll know.</p><p></p><p><em>(EDIT: just noticed you are in Florida, aka Lightning and Power Flucuation Capital of the US. Makes what I wrote below doubly more likely!)</em></p><p></p><p>By far the most likely: #1. Even a momentary blip of a brown-out or surge can cause the machine to shut down. If you have it on a surge protector, check the power-strip's fuse. If you don't have it on a power-strip (or better yet an uninterruptible power supply), you might consider protecting your investment with one.</p></blockquote><p></p>
[QUOTE="chas_m, post: 1213595"] There are basically three reasons why a Mac would shut down on its own: 1. Power failure. 2. Serious component failure. 3. Overheated. I think we can discount #2, since it's working properly now. If it was #3, you'd have had to have left it chugging along on something very intense OR the unit is in a very badly-ventilated spot, but either way if that was the cause it will probably happen again at some point, and then you'll know. [I](EDIT: just noticed you are in Florida, aka Lightning and Power Flucuation Capital of the US. Makes what I wrote below doubly more likely!)[/I] By far the most likely: #1. Even a momentary blip of a brown-out or surge can cause the machine to shut down. If you have it on a surge protector, check the power-strip's fuse. If you don't have it on a power-strip (or better yet an uninterruptible power supply), you might consider protecting your investment with one. [/QUOTE]
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Switcher Hangout (Windows to Mac)
iMac Unexpected Shutdown
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