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Intel Arc 10 bit color enable on SDR displays (DP port)

Joined
Jul 15, 2019
Messages
496 (0.28/day)
Location
Hungary
System Name Detox sleeper
Processor Intel i9-7980XE@4,5Ghz
Motherboard Asrock x299 Taichi XE (custom bios with ecc reg support, old microcode)
Cooling Custom water: Alphacool XT45 1080 + 9xArctic P12, EK-D5 pump combo, EK Velocity D-RGB block
Memory 8x16Gb Hynix DJR ECC REG 3200@4000
Video Card(s) Intel Arc A770 LE 16Gb + RTX 3080 FE 10Gb
Storage Samsung PM9A1 1Tb + PM981 512Gb + Kingston HyperX 480Gb + Samsung Evo 860 500Gb
Display(s) HP ZR30W (30" 2560x1600)
Case Chieftec 1E0-500A-CT04 + AMD Sempron sticker
Audio Device(s) Genius Cavimanus
Power Supply Super Flower Leadex 750w Platinum
Mouse Logitech G400
Keyboard Dell Oem + Focus Fk2000 plus
Software Windows 11 Pro x64
I have an old display HP ZR30W that supports 10 bit color. By default it is working only in 8 bit mode. (it is not calibrated so i think not much difference, but i loaded the color profiles downloaded from HP).


There is no option to enable it in the arc control panel but i think i found a way to force it.

https://support.microsoft.com/en-us...ndows-11-64a4de7f-9c93-43ec-bdf1-3b12ffa0870b

  1. Select the Start button, then select Settings > System > Display > Advanced display.
  2. Select your display near the top, then check for the following setting: Automatically manage color for apps.
  3. Select Automatically manage color for apps to turn it on.
I don't know how to test it.

Somehow it is also enabling the HDR support in the driver but i think it is just a bug, because my display is not certified for HDR.



Sorry it is hungarian:
139440_kepernyokep_2023-11-04_185529.png

139440_kepernyokep_2023-11-04_185704.png
 
Joined
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Rio das Ostras/RJ - Brazil
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Memory 32GB 3600MHz DDR4
Video Card(s) PREDATOR BIFROST Intel® Arc™ A770 OC
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Display(s) 27" UHD Philips 276E
Audio Device(s) Loxjie A30
Power Supply XPG Core Reactor 650W
Mouse Razer Basilisk X Hyperspeed
Keyboard Redragon K539-RGB (Brown)
Software Windows 11
The Windows options was activated here automatically, I checked now Arc Control to see if I have the same HDR "problem", and yes, it's marked as activated and my screen doesn't support HDR too.
 
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