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Thread: iMac fan

  1. #1

    Member Since
    Feb 24, 2006
    20 inch iMac Core Duo
    iMac fan
    My iMac's fan has been running a lot louder than usual. Even when its just sitting there, doing nothing. Anyone know what is causing this?

  2. #2

    Kyomii's Avatar
    Member Since
    Nov 12, 2004
    Lancashire, UK
    MacMini DC 1.66, Powerbook G4
    Mine ran really loud this morning after installing and running AppleJack. I have had this RevA iMac G5 1.6 for 18 months and it has always been as quiet as a mouse.

    I was shocked to hear it sounding like Manchester Airport when I ran AppleJack! It would not even calm down - constantly loud.

    I turned it off again (not sleep mode) and then back on again - still the same - immediate loudness as soon as power switch was turned on.

    The only thing I could think of doing was turning it off and unplugging it for a minute or two. This, thankfully has worked, so give it a try and see
    Fondest regards, Kyomii

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