How to change SDR white level for HDR output in Windows 10

The Windows 10 17040 insider adds a white level slider to HDR options apparently. When you are running in HDR mode on the desktop, you are able to adjust how bright SDR content appears on an HDR display. The new improvement based on feedback, can help you tweak the default system level of SDR white, so brightness level can be a lot more usable for your desktop, applications and games.

Once the HDR mode is turned on in display settings, many users have got the poor display quality with dark color, and resulted in a completely unusable desktop in Windows 10 Fall Creators Update. My computer has a Nvidia GeForce GTX1080 and my 4K HDR TV displays nice and sharp picture with vivid colour. If I change the output to TV, the HDR contents appear too damn dark, even it causes a black screen.

If you are running into HDR issues in Windows 10 Insider builds, try the method to change the SDR white level for resolving it.
* From your desktop, tap or click on the Windows button at the left bottom corner.
* Open the Settings app from Start menu.
* Click on the System category, and select the Display tab in the left side.
* Go to the right side of “HDR and advanced color settings” page, there is a slider under the “Standard dynamic range white level”. Move the slider to right or left to change it.

I have used the ability to make the desktop very bright on my computer, without over saturation. However, there is still a downside,The video games always begin crashing way more with it than before.

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