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C4D opengl not on GPU with monitors?

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I've just discovered something that is odd. I use Redshift and Octane and have three graphics cards.  A GTX Titan and a 660TI dedicated for rendering and a 660 that is for supposed to be for the display.  


My PC is clearly pretty old and working hasn't been exactly smooth, but this issue might be contributing to that.  I noticed when I looked at the "Show OpenGL Capabilities" window in OpenGl preferences, it is showing my Titan as the Rendererer.  All my monitors are plugged into the 660 and that is what I want to use for openGL. This doesn't make any sense to me and I can't find a way to change this?



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  • Just in case anyone runs into this.  I managed to switch the open gl renderer in nvidia control panel/program settings for C4D to use the 660.  This made a huge difference and my viewport navigation and lagginess in Cinema 4D that I was having is gone so far when rendering in Redshift.   I'm not sure how long it's been like this. I can't believe it took me this long to figure this out.

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