To apply Coordinated Video Timing (CVT) Standard settings to your display
From the NVIDIA Control Panel navigation tree pane, under Display, click Change resolution.
Click the image that represents the display you want to affect.
Click Customize, then from the Customize dialog box, click Create Custom Resolution.
(Quadro and NVS products only) In the Select displays section of the Create Custom Resolution dialog box, select any additional connected displays to which you want to apply the change.
Click the Timing Standard list arrow, then select CVT.
Click Test, then if the test passes and you want to save the new mode, click Save.