Poor imac video performance (video works better in bootcamp)

Discussion in 'iMac' started by pixeltarian, Apr 15, 2012.

  1. pixeltarian macrumors member

    Joined:
    Mar 21, 2009
    #1
    If I boot into windows, videos play smooth as silk and flash games have a really nice framerate and are run perfectly.

    in osx 10.6.8 this is not the case. any fullscreen video I try to play (even content that was downloaded and not streamed) is choppy. flash is choppy. it seems like the performance in snow leopard is worse than windows.

    any idea why? I don't remember it always being this way. I KNOW when I first got my imac it could handle this stuff with no problem.

    specs:

    imac spring 2009
    Core 2 duo
    8GB ram (DDR3)
    GeForce 9400 GPU


    I am really sad about this lately. I don't any money to buy a new imac. I just want it to work like it did when I purchased it.

    Has anyone had a similar thing happen? Is there anything I could do to improve performance? Would upgrading to Lion help or would it put even more strain on my system?
     
  2. GyroFX macrumors 6502

    Joined:
    Jan 14, 2002
    Location:
    Los Angeles and NorCal
    #2
    is your flash up to date? What browser do you use? Tried repairing permissions and clearing parameter ram, etc?
     
  3. lamboman macrumors 6502

    Joined:
    Aug 13, 2011
    #3
    Make sure Flash is up to date. In System Preferences, in the bottom section, click on Flash Player, then Advanced tab, then click Delete All, and make sure ONLY "Delete All Site Data and Settings" is selected. Flash seems to get crapped up over time, this always fixes the problem for me.
     
  4. pixeltarian thread starter macrumors member

    Joined:
    Mar 21, 2009
    #4
    flash is up to date. it's not exclusively a flash problem. even when trying to play an mp4 (for instance) in quitime/vlc it's choppy.
     
  5. philipma1957 macrumors 603

    philipma1957

    Joined:
    Apr 13, 2010
    Location:
    Howell, New Jersey
    #5
    how full is your hdd? more then 75% can slow it down
     
  6. pixeltarian thread starter macrumors member

    Joined:
    Mar 21, 2009
    #6
    not that full.
     

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