Windows May 2020 update (2004)
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 Hi, I just upgraded to 2004 and seems like the brightness span of f.lux is reduced, I cannot go very dark as I did before. I have an Intel HP laptop with intel graphics and nvidia quadro. f.lux is 4.118. 
 Any hint is appreciated.
 Thank you.
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 Hi did f.lux prompt you to expand the color range? 
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 @herf yes, but I guess I dismissed the alert, but eventually I expanded manually via the context menu from the f.lux icon (change current color - expand color range). But didn't change anything. 
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 @paul741 It does require a reboot - however, if this doesn't help, can you post f.lux options > driver info? Alternately, in f.lux options > "Always use Windows internal color table" 
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 @herf I don't know what happened but know it works (without the windows color table option). Thank you. 
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 If you want to install the update now, select Start > Settings > Update & Security > Windows Update , and then select Check for updates. 
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 I am still getting the yellow screen when taking screenshots. I am on latest Flux version, and latest Windows 10. Why is this still happening? 
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 @Mysticode Can you post f.lux options > driver info? 
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 Any update on this @herf ? 
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 @Mysticode this is saying two of the monitors don't support gamma ramps - how are they connected? 
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 DP, via a USB-C hub to my laptop 
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 @Mysticode can you post the model number of the hub so we can see which chipset it uses? We are supporting DisplayLink (by name) for these USB-C hubs, but there are some other vendors we would like to try to improve, but right now I don't think they have support for color controls. If it's DisplayLink we can probably get it to work. 
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 @herf In this situation, it is a USB-C docking station by Dell. I can't find a model number, but it's for the Latitude line of laptops. 
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 @herf I also have this problem - Dell D6000 dock, notably with DP to HDMI adapters 
  
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