Now, if the NVIDIA custom resolution is not supported by your display, follow the procedures discussed below to set a custom resolution on your Windows computer without any issues.

Under Display, navigate to Change Resolution. Select Customize and then Create Custom Resolution. Set the Horizontal Pixels and Vertical Lines to your desired resolution.

If the Screen resolution setting is greyed out in Display page in Settings of Windows 11/10 here's what you can do to resolve the issue on your computer.