Warning: Modifying the Registry can cause serious problems if not done properly.
If you’re using the driver available through the graphics card manufacturer, you can use the Display Driver Uninstaller (DDU) tool to perform a clean uninstall of the video driver, and then reinstall the driver to see if it fixes the Night Light problem. To ensure that Windows 10 installs the driver back on Settings > Update & security > Windows Update, and click the Check for updates button. However, it should be noted that if you checked the option to delete the driver from your device, you may need to reinstall the driver manually. Right-click the device and click the Uninstall option.Ĭheck the Delete the driver software from this device option (if applicable).Īfter rebooting your device, Windows 10 should automatically reinstall the latest graphics drivers available from Windows Update. Search for Device Manager and click the top result to open the app.Įxpand Display adapters branch and select the video card. To reinstall the graphics driver manually to fix Night Light, use these steps: You can perform this task by visiting your PC manufacturer’s support website to download the latest graphic driver, and use their instructions to update your device. You should manually install the latest video driver to resolve this issue. Update graphics driver to fix Night Light 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. 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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