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Switcher Hangout (Windows to Mac)
Safe Operating Temperature for iMac
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<blockquote data-quote="Randy B. Singer" data-source="post: 1566686" data-attributes="member: 190607"><p>Some iMacs do get surprisingly hot. </p><p></p><p>Two suggestions. </p><p></p><p>First, wet your fingers a bit and run them along the bottom edge of your iMac. You might be surprised by how much fluffy dust comes off if your iMac is more than a few months old. That dust was clogging the air intakes for your iMac. Your Mac should run somewhat cooler now. You might want to repeat this procedure every month or two.</p><p></p><p>Second, I believe that Apple has set the fans so that they only ramp-up when your Mac is hotter than you might like it to get. (Heat is the enemy of magnetic media, so you really want to make sure that, at minimum, your hard drive doesn't overheat. Also, constant extreme heat cycling can lead to cold soldier joints on your motherboard, resulting in failure.) I think that Apple sets the fans so that they don't come on until your Mac is disturbingly hot so that Macs tend to be quiet. In any case, you can change the setting at which the fans ramp up using this really great free utility:</p><p></p><p>SMCFanControl (free)</p><p><a href="http://www.eidac.de/" target="_blank">eidac</a></p><p></p><p>I especially find SMCFanControl to be valuable for laptops. Apple has set the fan ramp-up threshold for their laptops really high.</p></blockquote><p></p>
[QUOTE="Randy B. Singer, post: 1566686, member: 190607"] Some iMacs do get surprisingly hot. Two suggestions. First, wet your fingers a bit and run them along the bottom edge of your iMac. You might be surprised by how much fluffy dust comes off if your iMac is more than a few months old. That dust was clogging the air intakes for your iMac. Your Mac should run somewhat cooler now. You might want to repeat this procedure every month or two. Second, I believe that Apple has set the fans so that they only ramp-up when your Mac is hotter than you might like it to get. (Heat is the enemy of magnetic media, so you really want to make sure that, at minimum, your hard drive doesn't overheat. Also, constant extreme heat cycling can lead to cold soldier joints on your motherboard, resulting in failure.) I think that Apple sets the fans so that they don't come on until your Mac is disturbingly hot so that Macs tend to be quiet. In any case, you can change the setting at which the fans ramp up using this really great free utility: SMCFanControl (free) [url=http://www.eidac.de/]eidac[/url] I especially find SMCFanControl to be valuable for laptops. Apple has set the fan ramp-up threshold for their laptops really high. [/QUOTE]
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