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Apple Computing Products:
macOS - Desktop Hardware
24" iMac 2.8 cpu fan full blast then shut down
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<blockquote data-quote="chscag" data-source="post: 1610737" data-attributes="member: 46727"><p>An iMac (up until the 2012 models) has three fans: CPU/GPU, Hard Drive, and Optical Drive. If any fan is inoperative, overheating will occur. But the fan for you to check is the one mounted close to the large heat sink for CPU/GPU. As member pm-r mentioned, it's best to open the machine up and observe it. Instructions and tools are available from the ifixit web site. <a href="http://www.ifixit.com" target="_blank">www.ifixit.com</a></p></blockquote><p></p>
[QUOTE="chscag, post: 1610737, member: 46727"] An iMac (up until the 2012 models) has three fans: CPU/GPU, Hard Drive, and Optical Drive. If any fan is inoperative, overheating will occur. But the fan for you to check is the one mounted close to the large heat sink for CPU/GPU. As member pm-r mentioned, it's best to open the machine up and observe it. Instructions and tools are available from the ifixit web site. [url]www.ifixit.com[/url] [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
24" iMac 2.8 cpu fan full blast then shut down
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