Windows 11 gets dynamic refresh rate support for external monitors in latest preview update

Windows 11 laptops and tablets with high refresh rate displays, like the Surface Laptop Studio, have a neat feature called Dynamic Refresh Rate, or DRR. As the name suggests, DRR reduces or increases your display refresh rate while on the go, depending on what you're doing and what the device is displaying. For example, Windows 11 switches to the maximum refresh rate when you ink, play games, or scroll, then drops back to 60Hz when displaying static or less dynamic content. By constantly switching between refresh rates, DRR helps you achieve the perfect balance between smooth images and longer battery life.

The latest development version of Windows 11 improves the dynamic refresh rate feature. It now supports external high refresh rate monitors, allowing Windows Insiders to save energy without sacrificing image quality. This change will join the latest Windows Update improvements, focused on making the operating system more energy efficient.

Dynamic refresh rate for external monitors is only available on 120Hz monitors that support variable refresh rates. Additionally, you need a WDDM 3.1 display driver. If you don't know which version of WDDM you have, press Win R, enter dxdiag, go to the "Display" tab and check "Driver Program Model" field. If necessary, install the latest GPU driver available from Windows Update. Once everything is set up, go to Settings > System > Display > Advanced Display and select Dynamic.

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