Windows 11 Night light stopped working

Check if the night light feature is turned on. To do this, go to Settings > System > Display > Night light settings. Make sure the toggle switch is turned on.

1: Reset Night Light Settings Manually. To reset Night Light manually, we need to edit the registry. Be sure to make a backup first.

Select Settings > System > Display > Night light. If your night light toggle is grayed out, you may need to update your display driver. See Update drivers ...

2024年1月17日 — One of the most common causes of the Night Light not working is that you're using a faulty or outdated display driver. So you should update your display driver.

2022年1月27日 — 1. Check the Night Light's Strength · 2. Update Your Graphics Drivers · 3. Reinstall the Graphics Driver · 4. Reset Night Light Settings via ...

2023年9月7日 — Fix 1: Update Graphics Driver; Fix 2: Reset Night Light Settings Manually; Fix 3: Disable Fast Startup to Bring Back Night Light; Fix 4: ...

2023年10月18日 — A good temporary fix is simply going into the Night Light settings and moving the intensity slider all the way to the left.

Fix 1. Check If the Night Light is Enabled or Not · Fix 2. Set the Correct Date and Time · Fix 3. Check Night Light Strength · Fix 4. Enable the Location Services.