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constant on

  1. J

    Audible fan at low load

    I am new to iMac and got a 2017 27" iMac for Christmas - all is well until I noticed the constant humming of the fan - It's not loud, but it's audible enough to make the work space noisy. The fan is on constantly @ 1200 rpm or so. I have tried to reset the SMC several times to no avail... Fan...
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