Taking Surface Laptop Studio as an example, Windows 11 laptops and tablet devices with high refresh screens can now get a useful feature-Dynamic Refresh Rate (DRR). DRR can increase or decrease the screen refresh rate according to the needs of the actual scene, so as to achieve better battery life.
For example, Windows 11 switches to the maximum refresh rate when you’re handwriting, gaming, or scrolling, and drops to 60Hz when you’re viewing photos or low-dynamic content. by constantly switching between refresh rates, DRR helps you achieve the perfect balance between smooth images and longer battery life.
The latest Windows 11 development release has improved the Dynamic Refresh Rate feature. It now supports external high refresh rate displays, allowing members of the Windows Preview experience to save energy without sacrificing image quality. This change will join the latest Windows Update improvements that focus on making the operating system more energy efficient.
For external monitors, the DRR feature is only available for monitors that support variable refresh rates and have a refresh rate of 120Hz or higher. In addition, you will need a WDDM 3.1 display driver.
If you do not know which WDDM version you have, press Win + R, type dxdiag, go to the “Display” tab and check the “Driver Model” field. If necessary, install the latest GPU drivers provided by Windows Update. After setting everything up, go to Settings > System > Display > Advanced Display and select Dynamic.