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Apple Computing Products:
macOS - Notebook Hardware
Macbook Pro Fan speed
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<blockquote data-quote="chscag" data-source="post: 1465154" data-attributes="member: 46727"><p>I suspect you have a defective temperature sensor on the logic board that giving out wrong info to the fan control. The fan is therefore running at full speed and since the temperature sensor is messed up, SMCFanControl and Istat can not properly read the RPM. (My guess.) Take it to Apple and have them diagnosis it.</p><p></p><p><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> Looks like Ivan beat me to it!</p></blockquote><p></p>
[QUOTE="chscag, post: 1465154, member: 46727"] I suspect you have a defective temperature sensor on the logic board that giving out wrong info to the fan control. The fan is therefore running at full speed and since the temperature sensor is messed up, SMCFanControl and Istat can not properly read the RPM. (My guess.) Take it to Apple and have them diagnosis it. :) Looks like Ivan beat me to it! [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
Macbook Pro Fan speed
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