3 Replies Latest reply: Aug 2, 2012 11:00 PM by Chopper51
taycoe Level 1 Level 1 (0 points)

I installed Mountian Lion last night on my MacBook Pro (Early 2011).  I love the new features, but my mac is now running significantly Slower than before.  App's take a while to launch and the whole computer feels as if it is much hotter overall.  Has anyone else been experincing this?  Any suggestion for a quick fix?



macbook pro 15', Mac OS X (10.4.6)
  • 1. Re: mountian lion running slow
    pepper_chico Level 1 Level 1 (0 points)

    I'm experiencing the same, I'm digging for a solution. Same things, apps take a while to show up, I also got an very annoying problem with iTunes which I mention here: https://discussions.apple.com/message/19127192.Mine also is an early 2011 13" model, upgraded from Lion.

  • 2. Re: mountian lion running slow
    cozar Level 2 Level 2 (340 points)

    A general theme of ML seems to be outdated/incompatible third-party software, so try this:


    Open Terminal (Applications>Utilities).


    Copy and paste this line (don´t type) into the command line and press enter:


    kextstat | grep -v com.apple


    Copy the resulting list and paste it in this thread.

  • 3. Re: mountian lion running slow
    Chopper51 Level 1 Level 1 (0 points)

    My laptop is also very slow, but mostly when recovering from sleep mode.


    Yes, I have some major programs running, but this was not an issue with my machine before I did the upgrade.  All of my software is new or on current versions.


    I also had Sarafi crash after the upgrade, but it sent the report to Apple.  But the fact it crashed after the install indicates that there is a OS bug.  The apps listed below work just fine.



    Index Refs Address            Size       Wired      Name (Version) <Linked Against>

      110    0 0xffffff7f813be000 0x40000    0x40000    com.digidesign.iokit.DigiDal (10.2.0f140) <10 5 4 3 1>

      118    0 0xffffff7f8097c000 0x1c000    0x1c000    tc.tctechnologies.driver.PaeFireStudio (3.5.5 10705) <117 38 5 4 3>

      119    0 0xffffff7f807b6000 0xa000     0xa000     com.waves.driver.soundgrid (2.0.0) <117 5 4 3 1>

      128    0 0xffffff7f8256a000 0x3000     0x3000     com.paceap.kext.pacesupport.snowleopard (5.8) <7 5 4 3 1>

      129    0 0xffffff7f813b4000 0x3000     0x3000     com.eltima.ElmediaPlayer.kext (1.58) <4 1>

      136    0 0xffffff7f8256d000 0x7000     0x7000     com.McAfee.kext.AppProtection (1.1.0d1) <4 1>

      139    0 0xffffff7f82574000 0x5000     0x5000     com.mcafee.kext.Virex (1.1.0d1) <4 3 1>