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I have an early 2011 Macbook Pro and I noticed today, strangely for the first time, that the fan(s) are always running and audible. I have to admit that I usually have some background noise when using that machine but I've noticed the fan noise now that it's quiet.

I checked the RPMs and they are both (left/right side) at 1995-2000 and CPU temperature is ~36℃ - which all seems like normal readings to me but just to make sure, the fans do run all the time, right and for an idle machine (10.9.2 on it with nothing else running) fans running at 2000 rpms is normal.. or not?

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Laptop fans are very small compared to their desktop counterparts, and require a much higher speed to displace a sufficient amount of air.

  • 2,000 RPM is the MINIMUM speed for MacBook fans, with the max being 6,200 RPM.
  • Typical operating temperature of a MacBook CPU is between 35℃ and 85℃
  • nice and to the point (+1) – Ruskes Mar 2 '14 at 16:05
  • Perfect - thanks for the thorough information! – Jörg B. Mar 2 '14 at 20:20

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