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  1. #1

  2. #2


    Member Since
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    Fans with 6000 rpm
    I have MBP15. My fans are allways on 6000 rpm. I am not using many resources and it's still allways between 5500-6000 rpm. Is it normal? What;s wrong with my MBP15 ?

  3. #3

    chscag's Avatar
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    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, Sierra
    Year, model, of the MBP? Fans running at full speed can be caused by several things. Defective temperature sensors or logic board problems. The first thing to do is a SMC reset. See the following LINK.

    From the Apple KB:

    Fans
    The computer's fans run at high speed although the computer is not experiencing heavy usage and is properly ventilated.


    Please do not double post the same subject. Keep it in one thread as that will make it easier to provide answers. Your threads have been combined.

  4. #4


    Member Since
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    Quote Originally Posted by chscag View Post
    Year, model, of the MBP? Fans running at full speed can be caused by several things. Defective temperature sensors or logic board problems. The first thing to do is a SMC reset. See the following LINK.

    From the Apple KB:

    Fans
    The computer's fans run at high speed although the computer is not experiencing heavy usage and is properly ventilated.


    Please do not double post the same subject. Keep it in one thread as that will make it easier to provide answers. Your threads have been combined.
    MacBook Pro (Early 2008)

  5. #5

    chscag's Avatar
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    Did you try resetting the SMC as I suggested?

  6. #6


    Member Since
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    Never did it before.

  7. #7

    cwa107's Avatar
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    15" MBP, Core i7/2GHz, 8GB RAM, 480GB Crucial M500 SSD
    Quote Originally Posted by dmt View Post
    Never did it before.
    OK - let me explain how this works.... you present a problem, we reply with suggestions for fixes. You try them and report back as to whether they work. We'll continue this process until the issue is solved. Got it?

    Now that we've gotten that down, we need to know if that did the trick. Thanks.
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

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  8. #8

    schweb's Avatar
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    how about a screenshot of your Activity Monitor as well?
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  9. #9


    Member Since
    Jun 09, 2011
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    I'll try SMC reset and then I'll write results, but before it

    Here it is my activity monitor, maybe you see something wrong. Thanks

    Imageshack - screenshot20110611at337.png

  10. #10

    bobtomay's Avatar
    Member Since
    Dec 22, 2006
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    Texas, where else?
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    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '14 1.8 i7 8GB 10.11; 21" iMac '13 2.9 i5 8GB 10.11; 6S
    There is nothing there - but you should be highlighting the CPU column in order to see which processes are using the CPU.

    But do the SMC reset first.
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  11. #11


    Member Since
    Jun 09, 2011
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    I did SMC and Now Running New Fresh Installed Lion, but it's the same 6ooo rpm

  12. #12

    bobtomay's Avatar
    Member Since
    Dec 22, 2006
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    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '14 1.8 i7 8GB 10.11; 21" iMac '13 2.9 i5 8GB 10.11; 6S
    You're probably going to have it run like that until Spotlight finishes it's indexing.

    Fresh install?
    Is that a clean install or an upgrade install?


    If not a clean install:
    It can also be software related. I had a Windows Home Server machine that died a while back. After I installed Lion, my fans were going full blast even after indexing. Went to check the logs and found that the WHS application I had (not compatible with Lion) was launching, not finding the server and then re-launching every 5 seconds. omg... Well, that thing got uninstalled so fast it would make your head spin.

    I'd suggest turning off the machine, wait until the fans quit. Restart, immediately open Activity Monitor and watch it to see what's using the CPU when the fans start up again. My clue was that it was kernel task causing the fans to run full bore. Whereupon I opened up Console and checked the logs to find my issue.
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

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