If you use either of these drivers, visit your PC manufacturer’s website to download a different graphics driver. Note: Windows 10 Night Light does not work on devices using a DisplayLink graphic driver or Microsoft’s Basic Display driver.

If the problem persists after trying the recommendations above, update or reinstall your graphics/display drive. You may encounter difficulties using Night Light if your computer’s graphic/display driver is outdated, broken, or buggy. Reboot your computer if Windows 10 Night Light still doesn’t work when you sign back in. Before you restart your device, try signing out of your profile/account and signing back in-press the Windows button, click on your profile icon, and select Sign out. If the problem is due to a temporary glitch with your operating system, rebooting your computer might help restore Night Light to normalcy. That’ll trigger your computer to obtain accurate date & time information from the Windows Time Server.

Afterward, click the Sync now button in the “Synchronize your clock” section.

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