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  1. #1
    Fan speed issue >  MacBook 2 GHz Intel Core 2 Duo

    Member Since
    Nov 01, 2008
    Posts
    1
    Fan speed issue > MacBook 2 GHz Intel Core 2 Duo
    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

  2. #2
    Fan speed issue >  MacBook 2 GHz Intel Core 2 Duo
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    45,191
    Specs:
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, Yosemite
    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.

  3. #3
    Fan speed issue >  MacBook 2 GHz Intel Core 2 Duo
    halo200's Avatar
    Member Since
    Sep 08, 2007
    Location
    Spain
    Posts
    541
    Specs:
    15" Macbook Pro 2.0Ghz i7 8GB AMD 6490M 256OCZ Vertex 4 SSD | iPhone 5S 16GB
    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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