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    Display tearing issues in CS6

    pkroll Level 1

      Hi all,


      I'm experiencing some wierd display tearing issues in After Effects CS 6.


      Anything which moves moderately quickly in the composition window during playback or interaction experiences severe horizontal image tearing.


      Video playback is tearing, regardless of resolution size (full, quarter, etc.). The display tears EVEN when I am simply dragging stuff around. I could be holding down space and dragging the canvas around in my composition window, or just dragging a footage element and I'll see a ton of really severe, jagged tearing.


      It definitely looks like a monitor refresh rate issue, but I've never experienced anything like it before on this system.


      Turning off hardware acceleration for composition, layer and footage has not helped. I have also restarted numerous times after changing this setting.


      I am running a MacPro 2.66 GHz Quad-Core, OS X 10.7.3

      16 gb ram

      Card: ATI Radeon HD 4870 512 MB


      My graphics card is admitedly not a supported card, but it has always worked fine in CS 5.5, and I would imagine that it would simply be ignored when I have turned off hardware acceleration, and it is not supported to begin with. I have had NO issues in any other version of AE, or in any other applications including FCP, Photoshop, etc.


      I have two monitors on this machine, both standard computer displays and not broadcast, blackmagic, firewire or anything like that. One is an Apple monitor, and the other Samsung. One is connected via mini-display port adaptor.


      This issue occurs on either monitor.


      Any advice? Thanks so much!

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