Windows 10: Enabled HDR Display goes blank caanot disable HDR

Hello,I appreciate any help I can get on this.1. New monitor ASUS VGA1 series2. Windows 10 older graphics card NVIDIA GEForce 10603. Upon initial boot using new monitor, signon successful, windows fine4. Used 'display settings' and enabled HDR.5. Display went blank6. Upon reboot Windows Logo appears then no display at all HDMI No signal7. Connected old monitor ASUS VGA2788. Windows reboot successful9. Disabled graphics card in device manager10. Reconnect to new monitor was successful11. No way to turn off HDR because prompt does not appear in 'display settings'12. Verified operation of

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HDR won't enable!

I'm having the same issue described above and by everyone else in the thread. Before, HDR was greyed out because I had my 4k TV and my 2k monitor plugged in at the same time, so I started unplugging my monitor when I wanted to play/watch stuff in 4k because
it allowed me to enable HDR and advanced color.

Today, however, Windows said something about restart for an update and ever since then I haven't been able to enable HDR and advanced color. I click to turn it on, the screen goes black, pops up saying keep changes or revert and HDR is disabled again. I
tried different resolutions and always had the same result. I tried another HDMI cable and same thing.

Has anyone figured out what the cause is yet? I can't tell if HDR is enabled or not and the game I'm playing, Wolfenstein 2, allows you to enable/disable HDR in-game so I'm not in a rush to get this issue fixed but I would like to soon.

First when I enabled HDR on my PC the screen was all hazey so I had to go into nvidia control panel and change the color settings. I set the desktop color depth to highest (32-bit), output color depth to 8 bpc (only option), output color format to YCbCr444,
and output dynamic range to Limited (only option) and that fixed the haze issue. The color settings are still set to those despite HDR being disabled according to Windows display settings.

 

HDR

Hello! I am an Independent Advisor, I would love to help you out!

The display needs to be HDR capable as well.

To enable HDR please see the steps referred to in this article:

https://support.microsoft.com/en-us/help/404026...

 

Cannot Enable HDR

The HDR option does not appear in 'Display' settings.

I am using:

Intel UHD 630 Integrated Graphics

Cardas HDMI cable

LG 27UK650 Monitor

The LG monitor's HDR works with a Playstation 4 Pro and Cardas HDMI cable.

The LG monitor has no manual HDR setting. It only enters HDR mode when it receives proper signal, first.

Windows 10 only offers HDR setting when it receives proper signal from the display, first.

How can HDR be force-enabled on Windows 10?