If you are trying to change settings in NVIDIA Control Panel but can't save the settings, follow this post and apply these fixes to resolve the issue.

Within the NVIDIA Control Panel, under Display - > Change Resolution, there is a simple checkbox that says "Show only TV Resolutions". Checked by default, it severely limits your resolution ...

Here is how to use NVIDIA Reflex to fix low latency in games. NVIDIA Reflex is supported on NVIDIA GeForce 900 Series GPUs and newer.

We’re here to break down what Nvidia Image Scaling is, how to use it, and how it compares to similar technologies. Image Scaling has been a part of Nvidia Control Panel for over two years.