Fan goes crazy....

Discussion in 'MacBook Pro' started by Malus, Feb 11, 2007.

  1. Malus macrumors 6502

    Jul 19, 2005
    My macbook core duo's fan goes crazy fast/loud for no reason. All I have to do is go on youtube, watch one flash video and the thing starts goin and i can barely hear the sound!! Is this normal? It never happened on my imac g5... Thanks!
  2. kinchee87 macrumors regular


    Jan 9, 2007
    New Zealand
    Do you have temperature and fan speed readings when this happens? I would say that your situation sounds a bit abnormal to me.
  3. Eraserhead macrumors G4


    Nov 3, 2005
    Load up activity monitor (/Applications/Utilities) and see what the processor percentage is (sort the table by this), also what browser are you using? Some have problems with Flash sites...
  4. CrzyCanuck72 macrumors 6502a

    Jun 10, 2003
    my fan kicks in when watching youtube videos as well.
  5. Malus thread starter macrumors 6502

    Jul 19, 2005
    I'm using firefox 2.0 I checked the CPU % and it goes from 4% to 37%-40%

    Anyway to change this? Or should I just use safari?
  6. Cybergypsy macrumors 68040


    May 16, 2006
    Central Florida!
    Mine are always one not loud...but always on...
  7. holamiamigos macrumors 6502a

    Aug 10, 2006
    haha i thought this thread was about a sports fan for a minute.. well anyway there are programs out there that control fan speed... i remember a thread not too long ago talking about the same thing... if you dig through macrumors i am sure you'll find it
  8. herr_neumann macrumors 6502


    Mar 27, 2003
    Roseville, Ca
    WHen I was running the fan widget (I do not remember the name) mine did the same. I finally figured it out by opening the activity monitor to see what was using 80% of each core. It was the fan widget.
  9. macdaddy121 macrumors 6502a

    Jan 8, 2003
    Mine does the same thing some times and I have always thought it was odd. It annoys me and I have a fan and temp monitor and both of them go up a lot for no reason other than a simple flash video or a couple of programs running at once.....Apple should probably fix this...
  10. heehee macrumors 68020


    Jul 31, 2006
    Same country as Santa Claus
    Mine is normal, the CPU doesn't go over 20% for both Firefox and Safari. The temperature never went above 60c, which is normal for me.
  11. hyperboy macrumors newbie

    Jul 17, 2007
    Nothing new about this? Nobody has an answer?

    I always had this problem, and the other day I was at an old iBook viewing lots of youtube videos at once, and some videochat made with flash at the same time, and the iBook was smooth and didn't use the fans at all.

    How can I understand my 2Gb RAM MacBook needs the fans to be able to show me some youtube videos? It doesn't make sense

    Past year I thought it was because Flash or Safari had some PPC programming and it was running in Rossetta mode or something, but nowadays it has no sense, it's supposed to be 100% intel compatible

    Please, I hope it can be fixed somehow someday!!! It's REALLY annoying

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