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  1. #1


    Member Since
    May 18, 2014
    Posts
    2
    Fans going full speed imac after hard drive switch BUT IM ON WINDOWS
    Hello, I have been listening to my IMACs fans ROARING at full speed ever since I changed the hard drive out, by myself.

    I have done a lot of research but nobody has my specific problem.

    I am using WINDOWS 7 on my IMAC 2009 27 inch, with no trace of mac OS on this machine.

    I have seen programs like sdfancontrol or whatever to get the fans to slow down, however I am using WINDOWS and that file cannot be opened.

    HOW do i slow these fans down?!

    GOD BLESS YOU

  2. #2


    Member Since
    Apr 24, 2009
    Location
    UK
    Posts
    746
    Specs:
    MacBook Pro 15" 2.8 GHz
    What iMac model do you have? Did the old hard drive have a sensor lead attached going to a connector on the top of the logic board? If not you would either need an Apple hard drive, or an Apple replacement interface cable that has been modified with a temperature sensor. This sensor then needs attaching to the new hard drive. This is typical for the older iMacs from 2011. Using a fan control program is far from ideal as the fan speed will not increase as the iMac warms up.
    Steve
    UK

  3. #3


    Member Since
    May 18, 2014
    Posts
    2

  4. #4

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    22,803
    Specs:
    Imac 27", i7 3.5GHz, 3TB Fusion drive, 32GB memory, macOS Sierra.
    Give certain fan controls a big miss and if you must, look at HDD fan control. It is not free but is good. Your problem is a hard drive has been replaced without Apple's proprietory heat sensors making it roar like a jumbo jet. Have a read of this:-


    http://www.hddfancontrol.com
    Last edited by harryb2448; 05-18-2014 at 07:14 PM.
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

  5. #5

    cradom's Avatar
    Member Since
    Feb 14, 2004
    Location
    Groves, Texas
    Posts
    4,619
    Specs:
    21in. iMac 10.11 --- HP Linux Mint 18
    Harry you forgot the link?
    One manís theology is another manís belly laugh.
    -Lazarus Long

  6. #6

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    22,803
    Specs:
    Imac 27", i7 3.5GHz, 3TB Fusion drive, 32GB memory, macOS Sierra.
    What cradom?

    Apears to me as iMac Fan Noise Fix | iMac HDD Fan Control
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

  7. #7

    cradom's Avatar
    Member Since
    Feb 14, 2004
    Location
    Groves, Texas
    Posts
    4,619
    Specs:
    21in. iMac 10.11 --- HP Linux Mint 18
    Wasn't there before you edited it...
    One manís theology is another manís belly laugh.
    -Lazarus Long

  8. #8

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Location
    Modesto, Ca.
    Posts
    29,054
    Specs:
    iMac 2010 27" QuadI7 OS10.12, iMac 2008 OSX10.11, MBP Late2011OS10.12 , iPad Air, iPhone 3GS
    Last edited by harryb2448; Today at 03:14 PM.

    Grin

  9. #9

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Location
    Nambucca Heads Australia
    Posts
    22,803
    Specs:
    Imac 27", i7 3.5GHz, 3TB Fusion drive, 32GB memory, macOS Sierra.
    LOL the edit was to change certain fan controls.
    Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!

  10. #10

    pigoo3's Avatar
    Member Since
    May 20, 2008
    Location
    U.S.
    Posts
    36,524
    Specs:
    2011 13" MBP 2.3ghz, 8gig ram, OS 10.8.5
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

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