Macbook pro fans always running

Discussion in 'MacBook Pro' started by yars15, Jun 27, 2011.

  1. yars15 macrumors newbie

    Joined:
    Sep 8, 2010
    #1
    I have a mid 2009 macbook pro (2.53 ghz core 2 duo, 4 gigs ram) lately though the fans have always been running and activity monitor shows the user's CPU usage is over 50% even though i don't have any applications open. I'm thinking of resetting the SMC but don't know if that's even the problem.
     
  2. GGJstudios macrumors Westmere

    GGJstudios

    Joined:
    May 16, 2008
    #2
    Try resetting the SMC, especially if the fans are running high without increased heat. Check Activity Monitor and change "My Processes" to "All Processes".
     
  3. gr8tfly macrumors 603

    gr8tfly

    Joined:
    Oct 29, 2006
    Location:
    ~119W 34N
    #3
    Open Activity Monitor, and select "All Processes", rather than "My Processes". You should be able to see what's running and using CPU resources.
     
  4. yars15 thread starter macrumors newbie

    Joined:
    Sep 8, 2010
    #4
    yea i found the iantivirus to be using like ~98% of CPU so i forced quit and everything's fine. Wondering if anyone else had this problem? I have version 1.36
     
  5. GGJstudios macrumors Westmere

    GGJstudios

    Joined:
    May 16, 2008
    #5
    You don't need any antivirus apps to protect your Mac from malware. I recommend you uninstall it.
     
  6. Eidorian macrumors Penryn

    Eidorian

    Joined:
    Mar 23, 2005
    Location:
    Indianapolis
    #6
    Antivirus appears to be a rather common cause of unexpected load under OS X. I have rarely had any problems with it on other platforms though.
     

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