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If the video card driver installed isn’t compatible with the version you’re running, there is a chance that the feature will be grayed out or it won’t work correctly. On Windows 10, Night Light depends on your computer’s graphics driver to adjust the color temperature to reduce the blue light. (If you can’t change the Night Light settings because they appear grayed out, use this guide to reset the feature.) How to fix Night Light on Windows 10 In this guide, you’ll learn a few ways to try to fix the blue light filter feature on Windows 10. In other devices, the blue light filter option appears grayed out and there is no way to enable it. For example, Night Light may not turn off automatically on schedule, even after restarting or powering off the device.
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However, if you enable Night Light on your device, sometimes the feature may not work correctly (usually, after installing a new feature update, such as version 2004 or a previous release). It’s similar to Apple’s Night Shift and Android’s Night mode. On Windows 10, Night light is a feature that reduces the blue light on the screen at night to help reduce eye strain and improve sleep quality.
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