Windows 10: Night light stopped working

Hi, I'm running Windows 10 Pro Ver 2004 Build 19041.329 and today, the "Night Light" filter stopped working. It was set as to schedule based on my location.

Now, it shows as "On" even through it isn't working. Changing anything related to it on the Settings app have no effect and can even close the Settings app.

I've tried logging out and logging in, rebooting, reinstalling nvidia drivers, and even deleting some registry keys:

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\CloudStore\Store\DefaultAccount\Cloud\default$windows.data.bluelightreduction.bluelightreductionstate]

[HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\CloudStore\Store\DefaultAccount\Cloud\default$windows.data.bluelightreduction.settings]

I also tried disabling fast boot but no luck.



Any ideas?

submitted by /u/PspStreet51
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:)

 

Night light not working

Hi,

Night Light is still listed as a known issue on the update History page.

Windows 10, version 1903 and Windows Server, version 1903 - Windows Release Information

Gamma ramps, color profiles, and night light settings do not apply in some cases

Microsoft has identified some scenarios where gamma ramps, color profiles and night light settings may stop working.

The only thing you can do is to wait to get this fixed.

 

night light greyed out? Stopped working

I have the same issue

 

night light greyed out? Stopped working

me too, it's totally greyed out