Fan running all the time mid 2008 model

Discussion in 'MacBook' started by questionwonder, May 22, 2013.

  1. questionwonder macrumors member

    May 6, 2013
    I have a mid to late 2008 Macbook. Most of my use is online with Youtube and other video sites. In the last year to two years I've noticed that the fan will turn on pretty quickly after I start using the machine and will run at almost max rpms and then it will very rarely shut off. It just keeps running.
    Does anyone know if there is anything I can do? I thought maybe there is some malware installed thats running and that's why the fan is on, but I don't think reinstalling the OS will help? Any thoughts on how to fix this?
  2. tom vilsack macrumors 68000

    tom vilsack

    Nov 20, 2010
    ladner cdn
    Try resetting your "SMC"

    Shut down the computer.
    Disconnect the MagSafe power adapter from the computer, if it's connected.
    Remove the battery.
    Press and hold the power button for 5 seconds.
    Release the power button.
    Reconnect the battery and MagSafe power adapter.
    Press the power button to turn on the computer.
  3. jg321 macrumors 6502

    Aug 29, 2012
    Also try taking the back cover off and give it a good clean inside. Can of compressed air is usually a good bet.
  4. brop52 macrumors 68000


    Feb 26, 2007
    Check activity monitor. Look what's using your CPU.

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