macbook fans. . :(

Discussion in 'MacBook Pro' started by dannewell15, Sep 17, 2007.

  1. dannewell15 macrumors regular

    Mar 17, 2007
    So normally my Macbooks fans are hardly on and it runs really cool and quiet but this morning I turned it on for like 10 minutes and then off again and the fans were going crazy. Then when I got in from school, I turned it on liek normal and even now with just safari running the fans are goig wild. any ideas as to what might be causing this? I have had to turn off by holding the power button a coulpe of times b/c it wouldn't wake from sleep. what is it that I could try and reset and how do I do it? are there any risks? please help. I can't afford for something to go wrong.
  2. Veritas&Equitas macrumors 68000


    Oct 31, 2005
    Twin Cities, MN
    Make sure to check the Activity Monitor to see if any other programs are running. My mom had the same issue, and realized that she had Excel frozen running in the background. Once she Force Quit it, the fans wound down.
  3. dannewell15 thread starter macrumors regular

    Mar 17, 2007
    just did. I only have safari running and other then a widget and a tablet driver(both of which I just quit) everything in activity monitor is Intel. I am lost.

    I also just held down at boot command+option+p+r whatever that does and its still going crazy.
  4. MacAddikt macrumors newbie

    Sep 18, 2007

    yer my macbook does the go on and off at random...its nout to worry about dudey..stop stressing lol =)
  5. Scarlet Fever macrumors 68040

    Scarlet Fever

    Jul 22, 2005
    how old is it? Have you tried restarting?

    If you have tried restarting, one diagnosis would be a melted/broken thermometer cable. If it's in warranty, take it back and get them to have a look at it.

    Hope it all works out well for you :)
  6. Cybergypsy macrumors 68040


    May 16, 2006
    Central Florida!
    one of my macbooks did the same thing, Never found out why, just moved to the MBP :)
  7. dannewell15 thread starter macrumors regular

    Mar 17, 2007
    It could just be random I guess. I hope it is. I have only had it for about 5 months so if it carries on I acn still send it back can't I? Maybe they willl replace it with a SR macbook! OK. Thanks guys. I'll see how it goes and go from there. :)
  8. Chris F macrumors regular

    Jul 27, 2007
    What is CPU usage like? (e.g: is there a process that is stuck and hammering it?)

    What is the temperature on the CPU? The fan algorithm will step the speed up when the CPU hits 80C.

    Check for blockages around the vents on your laptop.
  9. jdac21 macrumors newbie


    Sep 18, 2007
    reset PRAM

    reset the pram and it will sort out on both macbook and macbook pro
    just hold apple-alt-p-r at start and wait until you the mac reboots 2 times and than let go and that will sort it out
  10. dannewell15 thread starter macrumors regular

    Mar 17, 2007
    yeah I have already tried that. It didn't seem to stop the issue. I don't know what could be up with it.
  11. squeeks macrumors 68040


    Jun 19, 2007
    logic board failure(most likely), hope you have apple care

    my g5 imac did this 3 times before it got a logic board that worked right
  12. flopticalcube macrumors G4


    Sep 7, 2006
    In the velcro closure of America's Hat
    You're still within your warranty period. Have Apple fix it.

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