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New iMac fan keeps running

11290 Views 15 Replies Latest reply: Dec 16, 2010 12:05 PM by Scanthebarcode RSS
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Perry Gershon Calculating status...
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Sep 20, 2010 4:12 AM
Not sure what to do. Stops when machine sleeps, resumes after 5 min of use. Reset SMC. Reset PRAM. Rebooted. Not sure what else to try.

Graphics processor D temp 124 degrees F
Graphics heatsink temp 120 degrees F
Main Logic Board 115
CPU cores 1-4 89-91 degrees F

highlights above from Hardware Monitor
Intel Mac Mini, Mac OS X (10.6.3)
  • nachdenki Level 3 Level 3 (625 points)
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    Sep 20, 2010 4:16 AM (in response to Perry Gershon)
    the fans are supposed to run all the time. at which speed are they running? download istat pro to find out, then post here.
    Macbook and iMac, Mac OS X (10.6.4), 13'' Late 2008 and 27'' i7 Mid-2010
  • dre77 Calculating status...
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    Sep 22, 2010 11:24 PM (in response to Perry Gershon)
    At least I know it's not just me. I have exactly the same problem and it's driving me nuts. I've tried resetting. I'm sick of taking the cord out. all is well and then for no reason the stupid cpu fan goes nuts. I'm barely using any of the computers ability and even it was under load surely after a few mins it would shut off but it never does...

    < Edited by Host >
    13 27" imac, iOS 4
  • dre77 Level 1 Level 1 (0 points)
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    Sep 22, 2010 11:29 PM (in response to dre77)
    who edited my post?
    If your not going to fix my problem please dont delete any options
    13 27" imac, iOS 4
  • dre77 Level 1 Level 1 (0 points)
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    Sep 22, 2010 11:31 PM (in response to dre77)
    ok so now the reset doesn't even stop the fans.


    i think its time to return this lemon to apple.
    13 27" imac, iOS 4
  • utat Calculating status...
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    Oct 8, 2010 2:56 PM (in response to Perry Gershon)
    did apple cover logic board?
    i have same issue, and mine is only few weeks old..
    i tried smc and didnt work as well..

    do you have any solution?
    imac, Mac OS X (10.6.4), mac book pro
  • Florez Calculating status...
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    Nov 21, 2010 7:18 AM (in response to Perry Gershon)
    I have the same issue. I've been putting it to sleep to get it to stop and then it is completely silent (cannot hear any fans running at all, which makes me nervous and happy at the same time). How do I run a hardware test so I can see if my issue renders an error message? (sorry, I'm still a bit of a n00b)
    iMac 3.06GHz 4GB Ram, 27", Mac OS X (10.6.4)
  • Scanthebarcode Calculating status...
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    Dec 16, 2010 11:56 AM (in response to Perry Gershon)
    Thank you ! Mr.Gershon

    Print out your discussion with the fan problem. Went to the apple store and show then the printout
    showing the exact problem i was having and your solution. They then remedy it the exact same way
    mention in your discussion.

    The first time i went, before finding your discussion, they were saying that the fan noise is normal.
    imac
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