To let your 3D application determine the optimal settings
From the NVIDIA Control Panel navigation tree pane, under 3D Settings, select Adjust image settings with preview
The options on the page enable you to change the image and rendering settings of your 3D applications that utilise Direct3D and OpenGL technology.
Select the option Let the 3D application decide.
You can preview the appearance of the image in the Performance and Quality preview windows on the left side of the page.
If you want, you can click the Pause button to pause the animation in the Preview window. The button changes to Play, which you can click any time to resume playing the animation.