You just have to click the ‘Set Full Range (0-255)’ button.
A small utility called ‘ Nvidia Full/Limited Range Toggler’ exists, which can implement the “ Full” signal successfully.Just make sure the digital color format is set to YCbCr444, instead of RGB. If the “scrubbed” image look appears while playing game, you can “ adjust desktop color settings” under Display.By creating a custom resolution of an HD device, on the same page, you can make sure that the ‘ Full Range RGB 0-255’ signal over HDMI can be ensured.Many of the HDMI color problems with NVIDA and AMD graphic cards can be solved by following any of these solutions – Solve Nvidia Color Settings Reset Problem
