Worried about Fan

Discussion in 'iMac' started by JonBorichef, Jun 19, 2010.

  1. JonBorichef macrumors regular

    JonBorichef

    Joined:
    Jun 16, 2010
    Location:
    Roseville, CA
    #1
    I turned on Halo on my Mac and my fans instantly sped up to 2500RPM, they are making so much noise, I've never heard a Mac make so much noise. Please help!!!!!


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  2. Hellhammer Moderator

    Hellhammer

    Staff Member

    Joined:
    Dec 10, 2008
    Location:
    Finland
    #2
    Games are very demanding for hardware, especially for GPU so the components heat up more causing fans to speed up to avoid issues caused by heat
     
  3. alust2013 macrumors 601

    alust2013

    Joined:
    Feb 6, 2010
    Location:
    On the fence
    #3
    It will do that if you play games. They use a lot of CPU and heat your computer up, so the fans will spin up, and I guess the fans in an iMac just get a little noisy, nothing to worry about.
     
  4. JonBorichef thread starter macrumors regular

    JonBorichef

    Joined:
    Jun 16, 2010
    Location:
    Roseville, CA
    #4
    Well, I've played Halo for much longer and the fans never even got close to this loud. This time they sped up after 45 seconds of Halo. That's what has me worried. :confused:
     
  5. JonBorichef thread starter macrumors regular

    JonBorichef

    Joined:
    Jun 16, 2010
    Location:
    Roseville, CA
    #5
    I just checked to see if it would happen again and this time they went up to 4500RPM. There's gotta be something wrong if they speed up that high
     
  6. OGDaniel macrumors 6502a

    OGDaniel

    Joined:
    Dec 24, 2009
    Location:
    Arizona
    #6
    First off, I would say that you should shut your Mac down and leave it off during the night. Turn it on tomorrow and see what's up. Give it a little break. Worked great for me when I had this problem 6 months ago.

    If it still screams after a night of rest, try resetting the SMC.
     

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