Night light not working windows 10

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Night light worked on both built-in laptop screen and external monitor. Using Lenovo X1 Carbon Gen 6 with ThinkPad USB-C Dock - Type 40A9 Using Lenovo X1 Carbon Gen 4 with ThinkPad USB 3.0 Ultra Dock - Type 40A8 Night light only worked on the built-in laptop screen, no change on external monitor Using Lenovo X1 Carbon Gen 6 with ThinkPad USB 3.0 Ultra Dock - Type 40A8 See below scenarios and testing I have done: It seems that this is only affecting the ThinkPad USB 3.0 Ultra Dock - Type 40A8.

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After plugging my laptop to the docking station to extend the display, the Night light does not work on my external monitor.

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Clicked on the Night light from the Action Centre to enable this and my laptop screen turned yellowish (reduced the blue light).

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I was testing out the Night light feature in Windows. I have a Lenovo X1 Carbon Gen 6 and Gen 4 running Wind(a.k.a.

 

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