Restore button (bottom corner) restores the default global settings.
To allow the 'Preferred Graphics Processor' settings to take effect, you must restart the program. When you modify the 'Preferred Graphics Processor' setting, programs that are already running will continue to use the same graphics processor uninterrupted. Programs and videos that launch on external displays that are driven by the NVIDIA GPU will always use the NVIDIA GPU rather than the integrated graphics processor. Let the driver auto-select the most compatible graphics processor, depending on the program or video codec. Use integrated graphics for longer battery life or for decoding all video content played on displays connected to the integrated graphics, or Use high-performance NVIDIA processor for maximum performance or for decoding all video played on displays connected to the integrated graphics, or
Preferred graphics processor (Only on systems using NVIDIA's power-saving GPU technology.) From the options in the list box, you can specify to
