This is a common complaint when enabling HDR/Dolby Vision on Windows, especially on SDR content.
Before spending money, ensure your hardware is compatible: dolby vision extensions microsoft store
If you want to watch Netflix, Disney+, or play supported games in Dolby Vision on your Windows PC, you usually need to purchase and install this extension. This is a common complaint when enabling HDR/Dolby
With this extension installed, your PC can process and display Dolby Vision’s dynamic metadata (scene-by-scene HDR optimization), delivering brighter highlights, deeper blacks, and more vivid colors than standard HDR10. delivering brighter highlights