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Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

MacBook - Fan speed issue > MacBook 2 GHz Intel Core 2 Duo


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Darkhawk

 
Member Since: Nov 01, 2008
Posts: 1
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Hi,

My mac's fan speed revs up to 6000+ RPM all the time, and I can't figure out why. I downloaded smc fan control, but it doesn't seem to do anything.

What are
A) The ideal temperature for this computer?
B) Reasons for the fan speed increase?

Activity monitor has failed to show any reason for this.

Thanks!

Hardware Overview:

1 GB 667 MHz DDR2 SDRAM

Model Name: MacBook
Model Identifier: MacBook3,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 4 MB
Memory: 1 GB
Bus Speed: 800 MHz
Boot ROM Version: MB31.008E.B02
SMC Version: 1.24f2
Sudden Motion Sensor:
State: Enabled
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chscag

 
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Member Since: Jan 23, 2008
Location: Fort Worth, Texas
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Mac Specs: 27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, 3 iPods, OS X Mavericks

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Normal temperature for your model should be around 49 - 53 degrees C with a fan speed of around 1800 RPM. If smcFanControl isn't able to control the speed of the fan and your activity monitor shows no unusual goings on with the CPU, it's time to take it on in to Apple and have them look at it. Could be a defective thermal sensor which controls fan speed or the fan itself.

Regards.
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halo200

 
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Member Since: Sep 08, 2007
Location: Spain
Posts: 541
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Mac Specs: 15" Macbook Pro 2.0Ghz i7 8GB AMD 6490M 256OCZ Vertex 4 SSD | iPhone 5S 16GB

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Install menutemperature and see if your temperature is unusually high and if it isnt with the fans shooting up for no reason then do what chscag said and take it back to Apple.
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