Lion on MACpro 5.1 with 32gig RAM is sluggish

Discussion in 'Mac OS X Lion (10.7)' started by SvK, Sep 5, 2011.

  1. SvK, Sep 5, 2011
    Last edited: Sep 5, 2011

    SvK macrumors 6502


    Jan 12, 2005
    San Diego

    2010 mac pro 5.1 quad core
    32 gig RAM
    SSD boot drive (crucial C300 latest firmware)

    i did a clean install of LION and all went well.
    This was 3 days ago. I have no crashes. i enjoy the new features and am getting into all the gestures with my Magic Pad.

    There is one big issue...

    Lion is very sluggish.

    Ill try to launch a song in Itunes and often there will be a hesitation that can last for say 3 seconds.

    Redraws of the screen while scrolling seem very jerky, sluggish.

    This makes my whole experience very frustrating.
    No snap.

  2. DustyLBottoms macrumors regular

    Sep 8, 2009
  3. Quad5Ny macrumors 6502a

    Sep 13, 2009
    What video card do you have, and have you been torturing your C300?

    OS X lacks TRIM support and from what I remember the C300 doesn't exactly have the best garbage collection.

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