ODD fan keeps running, even after sensor change :(

Discussion in 'iMac' started by d3m0nz3y3, Aug 24, 2012.

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  1. d3m0nz3y3, Aug 24, 2012
    Last edited: Aug 25, 2012

    d3m0nz3y3 macrumors newbie

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    Jul 25, 2011
    #1
    So a few weeks back HDD on my late 2009 iMac 21.5 died. I did some research online and decided to replace the HDD myself as i dont have applecare. I replaced the broken seagate with a western digital HDD and so had to fix the sensor as well. I took the sensor from my optical drive and put it on my HDD as i didnt want it to crap out. I ordered an optical sensor from online but guess what, my optical drive fan was still spinning full speed. So i ordered another sensor from another website hoping i got a bad sensor first time and i still have the same issue. Ran AHT before my second sensor replacement and i got this error "4SNS/1/40000001:TOOP-1.704", which i think is for a bad sensor. I havent run AHT after second sensor replacement yet. I have done multiple SMC resets to no avail. Any clues what could be wrong? Could it be my logic board? Everything on the iMac is running as expected except for this fan. Any suggestions would be really helpful.
    Thanks
     
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  2. d3m0nz3y3, Aug 25, 2012

    d3m0nz3y3 thread starter macrumors newbie

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    #2
    bump!!
    No one has any idea what could be wrong?
     
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  3. simsaladimbamba, Aug 25, 2012

    simsaladimbamba Guest

    simsaladimbamba

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    #3
    To edit your thread title to a descriptive one, to get a knowledgable audience and help making the thread easier to find for people looking for the same information, just click on the [​IMG] button on the bottom right of your original post and then click the [​IMG] button below your message.
     
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  4. d3m0nz3y3, Aug 25, 2012

    d3m0nz3y3 thread starter macrumors newbie

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    #4
    thanks for the suggestion sim, i updated title. Hopefully someone gives me some suggestion, as i am out of ideas now :confused:
     
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