To enable quad-buffered professional stereo
From the NVIDIA Control Panel navigation tree pane, under 3D Settings, select Manage 3D Settings to open the associated page.
Click the Global Settings tab.
From the Settings box, click Stereo-Display mode and then select the appropriate option, depending on your stereo hardware.
From the Settings box, click Stereo-Enable and then select On.
From the NVIDIA Control Panel navigation tree pane, under Stereoscopic 3D, select Set up stereoscopic 3D to open the associated page.
Make sure the Enable stereoscopic 3D check box is cleared, then click Apply.