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Apple Computing Products:
macOS - Desktop Hardware
imac fan
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<blockquote data-quote="chscag" data-source="post: 1427244" data-attributes="member: 46727"><p>Since an iMac is a challenge to open and have a look inside, all I can suggest is to check the intake vents at the bottom of the display to make certain they're not clogged. Also check the exhaust vents at the top.</p><p></p><p>And reset the System Management Controller (SMC). Do the following:</p><p></p><p>Shut down your iMac and remove the AC cord from the mains. Leave it set for awhile (around 5 to 10 minutes). Plug it back in. If the fan(s) have not quieted down, there may be something else causing them to spin up.</p><p></p><p>There are three fans in your iMac: CPU, HDD, Optical Drive. Download the free iStat Pro widget and use it to monitor the fans speeds and temperatures. Let us know what they are. Here is the download <a href="http://islayer.com/apps/istatpro/" target="_blank">LINK</a>.</p></blockquote><p></p>
[QUOTE="chscag, post: 1427244, member: 46727"] Since an iMac is a challenge to open and have a look inside, all I can suggest is to check the intake vents at the bottom of the display to make certain they're not clogged. Also check the exhaust vents at the top. And reset the System Management Controller (SMC). Do the following: Shut down your iMac and remove the AC cord from the mains. Leave it set for awhile (around 5 to 10 minutes). Plug it back in. If the fan(s) have not quieted down, there may be something else causing them to spin up. There are three fans in your iMac: CPU, HDD, Optical Drive. Download the free iStat Pro widget and use it to monitor the fans speeds and temperatures. Let us know what they are. Here is the download [URL="http://islayer.com/apps/istatpro/"]LINK[/URL]. [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
imac fan
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