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I'm on Ubuntu 20.04 and my night light recently stopped working. I did no changes whatsoever, it just stopped working. What could be a possible fix?

Gatxy
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  • Can you be more specific? Did it lose track of your location? – ajgringo619 Aug 25 '20 at 01:39
  • @ajgringo619 No, it didn't lose track of my location. One day it was working, the next it wasn't. I didn't change or do anything consequential. – Gatxy Aug 25 '20 at 14:36
  • What does systemctl status geoclue show? In the past with redshift, if I restarted this service it began to work again. – ajgringo619 Aug 25 '20 at 17:23
  • It happened to me too. I have it set to manual timing, from 05:00 to 04:59. When it broke, even the nightlight icon did not show up in the panel. But I noticed that my monitors (laptop + external HDMI) have disappeared from the Settings app's Color settings sidebar item. I set the preinstalled D50 color profile for my laptop's screen on that Color settings UI. But now only my printer had shown up to set a color profile to: the monitors did not. I think it's related. A reboot however restored everything: the Color settings UI, the laptop screen color profile, and night light. – Levente Feb 28 '21 at 01:56

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