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Devices => Video Cards, Monitors, Televisions, and Projectors => Topic started by: stricko on February 18, 2021, 02:27:46 am

Title: Windows 10 Dull colours after update [not just MC]
Post by: stricko on February 18, 2021, 02:27:46 am

Hi there. This is not as MC problem, but just wondered if anyone else here had seen this or better still fixed it. I let Windows do whatever updates it wants to, but after the last one (1-2 weeks ago) my system colours have all gone very washed out. I've done the usually searchs but havn't found anything definitive. I re-installed drivers, reset color schemes etc etc. but no luck. It's def the PC end, as I've checked the projector settings, and colours from other sources are fine.

Any thoughts.

Nvidia 1050ti

Title: Re: Windows 10 Dull colours after update
Post by: tij on February 18, 2021, 02:51:03 am

System color ... meaning Windows Desktop and all programs

Or just washed out color during playing vertain  movies?

Title: Re: Windows 10 Dull colours after update
Post by: wer on February 18, 2021, 03:19:03 am

I'd guess your color range or chroma settings are wrong (mismatched).

Read this:
https://pcmonitors.info/articles/correcting-hdmi-colour-on-nvidia-and-amd-gpus/

Title: Re: Windows 10 Dull colours after update
Post by: stricko on February 18, 2021, 03:53:14 am

Windows desktop and all applications are washed out.

I've tried both the default and various Nvidia colour settings, but the problem persists. I don't play with the colour settings too much, so I'm confident that the only thing  likely to have changed is the windows update (until I updated the Nvidia driver, which had no apparent effect).

There are plenty of posts about similar colour problems with Windows updates over the years. In the last update on my W10 server, fast restart was switched on which screwed all my remote startup routines.

Title: Re: Windows 10 Dull colours after update
Post by: JimH on February 18, 2021, 06:49:55 am

Loose cable?

Title: Re: Windows 10 Dull colours after update
Post by: xpto on February 18, 2021, 06:59:09 am

Night light settings on Windows turned on?

xpto

Title: Re: Windows 10 Dull colours after update [not just MC]
Post by: rec head on February 18, 2021, 12:13:29 pm

I'm having color issues with windows as well that seems update related. My problem though is that UHD rips are dark and seem too red. My desktop is darker too. I've tried a few things and once I get more time to play with it I'll post up my settings.

I did try updating my Nvidia driver and it didn't help. AFAIK I turned off W10's HDR and Night Light.

Title: Re: Windows 10 Dull colours after update [not just MC]
Post by: tij on February 18, 2021, 12:56:59 pm

Dang ... i better stop auto update

Title: Re: Windows 10 Dull colours after update [not just MC]
Post by: Awesome Donkey on February 18, 2021, 01:36:15 pm

I've noticed that the color profile changed to a dull color at random after updating GPU drivers. I fixed it by forcing my default ICC color profile and all is well again.

Title: Re: Windows 10 Dull colours after update [not just MC]
Post by: rec head on February 18, 2021, 05:09:59 pm

What is a default ICC color profile?

Title: Re: Windows 10 Dull colours after update [not just MC]
Post by: wer on February 18, 2021, 05:21:19 pm

Quote from: rec head on February 18, 2021, 05:09:59 pm

What is a default ICC color profile?

https://pcmonitors.info/articles/using-icc-profiles-in-windows/

Title: Re: Windows 10 Dull colours after update [not just MC]
Post by: rec head on February 20, 2021, 07:17:45 am

I didn't do much experimentation but changing the Output Color Format in the Nvidia Control Panel changed things. I went from RGB to 4:2:2 to 4:4:4 and back to RGB. I tried in each mode and in 4:2:2 everything wasn't dark. In 4:4:4 everything looked good and the TV went into HDR mode. Then Going back to RGB the colors looked OK. But playing an HDR movie and hitting Stop didn't take the TV out of HDR mode.

I definitely don't have this sorted out but thought I'd share the findings.

PS. When the colors are too dark Tone Mapping in MadVR doesn't help. I have tried it with different Target Nits values and they don't help.