Night Light Not Working On Windows

Night Light Not Working on Windows? Here’s How to Fix It Is your Windows Night Light refusing to activate, leaving you bathed in harsh blue light when you’re trying to wind down for the evening? This helpful feature, designed to reduce eye strain and promote better sleep, can sometimes malfunction. This article provides a comprehensive guide to troubleshooting and resolving Night Light issues on Windows. What is Night Light and Why Use It? Night Light is a feature in Windows 10 and 11 that filters out blue light from your display. Blue light, emitted from screens, can interfere with the production of melatonin, a hormone that regulates sleep. By reducing blue light, Night Light aims to: ...

January 1, 2026 · 4 min · 850 words · Editorial Team