Windows 10 HDR Streaming grayed out in windows 10

[Mohammed AlJasim]

I have a strange issue with HDR,

My setup is:

- BenQ EW3270U 31.5" 4K HDR

- Nvidia 1080 Ti

- Intel i7 8700k

- Maximus X hero wifi

- 32 GB Ram


I can enable "HDR and WCG" from display settings no problem, I can also stream HDR 4k from youtube and play HDR 4k Games,

The only problem is I can't enable Stream HDR Video in Video playback settings so I can stream HDR from Netflix, the option is there but grayed out and a message saying "We didn't find any displays set up for HDR video " .


I can stream 4k from Netflix but not HDR which I should be able to.


** side note If I connect my PC to Sony X850D 4k HDR tv I can stream HDR from Netflix, but not with the Benq Monitor


here is my dxdiag log for display section

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Display Devices
---------------
Card name: NVIDIA GeForce GTX 1080 Ti
Manufacturer: NVIDIA
Chip type: GeForce GTX 1080 Ti
DAC type: Integrated RAMDAC
Device Type: Full Device (POST)
Device Key: Enum\PCI\VEN_10DE&DEV_1B06&SUBSYS_85EA1043&REV_A1
Device Status: 0180200A [DN_DRIVER_LOADED|DN_STARTED|DN_DISABLEABLE|DN_NT_ENUMERATOR|DN_NT_DRIVER]
Device Problem Code: No Problem
Driver Problem Code: Unknown
Display Memory: 27458 MB
Dedicated Memory: 11127 MB
Shared Memory: 16331 MB
Current Mode: 1920 x 1080 (32 bit) (60Hz)
HDR Support: Supported
Display Topology: Internal
Display Color Space: DXGI_COLOR_SPACE_RGB_FULL_G2084_NONE_P2020
Color Primaries: Red(0.685070,0.310070), Green(0.260266,0.685070), Blue(0.150891,0.060070), White Point(0.313977,0.329602)
Display Luminance: Min Luminance = 0.087940, Max Luminance = 295.365234, MaxFullFrameLuminance = 259.367920
Monitor Name: BenQ EW3270U
Monitor Model: BenQ EW3270U
Monitor Id: BNQ7950
Native Mode: 3840 x 2160(p) (59.997Hz)
Output Type: Displayport External
Monitor Capabilities: HDR Supported (BT2020RGB BT2020YCC Eotf2084Supported )
Display Pixel Format: DISPLAYCONFIG_PIXELFORMAT_NONGDI
Advanced Color: AdvancedColorSupported AdvancedColorEnabled
Driver Name: C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_f5be1f8d25335236\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_f5be1f8d25335236\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_f5be1f8d25335236\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nv_dispi.inf_amd64_f5be1f8d25335236\nvldumdx.dll
Driver File Version: 24.21.0013.9907 (English)
Driver Version: 24.21.13.9907
DDI Version: 12
Feature Levels: 12_1,12_0,11_1,11_0,10_1,10_0,9_3,9_2,9_1
Driver Model: WDDM 2.4
Graphics Preemption: Pixel
Compute Preemption: Dispatch

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