Solved Windows 11 Auto Color Management disables all IGCC Display settings and only way to set 10Bit over HDMI


Win7ine

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Was tearing remaining hair out as I seem to have lost the ability to drive my 55" Sony screen (over Pioneer receiver) in 10 Bit mode after some updates.
It turns out that IGCC has lost all ability to even talk to the display properly as Windows 11 has now taken charge with "automatic color management".
Turning this unwanted "feature" ON was the only way to regain 10bit display output over HDMI with an Intel NUC12WSKi5.
Attached screenshots show DISPLAY settings blank in IGCC previously populated and where I was able to set Bit depth and color coding RGB etc.
Suffice to say that no driver version makes any difference here. Tried old and latest beta, installed, reinstalled, etc. no end.

20231207_203356006_iOS.jpg
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20231207_203425654_iOS.jpg20231207_203442342_iOS.jpg20231207_203454421_iOS.jpg
 

My Computer

System One

  • OS
    Windows 11 PRO / Windows Server 2016 Essentials
Are you able to setup the correct profile in Control Panel > Colour Management at all?
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
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    Ryzen 9 3900X
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    Realtek ALC1220P
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    ASUS VE278 (x 2)
    Screen Resolution
    1920x1080
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Are you able to setup the correct profile in Control Panel > Colour Management at all?
Do you mean in IGCC? No, even clicking on “Custom” goes nowhere …
 

My Computer

System One

  • OS
    Windows 11 PRO / Windows Server 2016 Essentials
No, I mean in Control Panel > Colour Management.

Search for Control Panel from the taskbar.

I'm not sure it would be successful, but worth a shot at least.

If it's any consolation, I don't have the 'automatic colour management' option, probably because my monitors are old and connected via Display Port and not HDMI.
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    CPU
    Ryzen 9 3900X
    Motherboard
    ASUS ROG Strix X570-E Gaming
    Memory
    G-Skill RipjawsV F4-3600C18 (16GB x 2)
    Graphics Card(s)
    Gigabyte RX 5700 XT Gaming OC
    Sound Card
    Realtek ALC1220P
    Monitor(s) Displays
    ASUS VE278 (x 2)
    Screen Resolution
    1920x1080
    Hard Drives
    Samsung 850 Pro 256GB
    Samsung 970 Pro NVMe 512GB (x 2)
    ST10000VN0004 10TB (x 2)
    ST10000VN0008 10TB (x 2)
    ST4000VN000 4TB (x 2)
    PSU
    Corsair HX1000
    Case
    Corsair Carbide 400R
    Cooling
    AMD Wraith Prism (Stock)
    Keyboard
    Logitech G213
    Mouse
    Logitech G502
    Internet Speed
    100Mbps down / 40Mbps up
    Browser
    Firefox - Chrome - Edge
    Antivirus
    Windows Defender - Clamwin
No, I mean in Control Panel > Colour Management.

Search for Control Panel from the taskbar.

I'm not sure it would be successful, but worth a shot at least.

If it's any consolation, I don't have the 'automatic colour management' option, probably because my monitors are old and connected via Display Port and not HDMI.
All of these graphic output settings under GENERAL, COLOR are missing in IGCC and not replaced by the old windows color matching options between different devices. Under Information I normally see display capabilities, even this info is unavailable and replaced with a red exclamation triangle ...

1702052604096.png
 

My Computer

System One

  • OS
    Windows 11 PRO / Windows Server 2016 Essentials
Well it was worth a look at least. :(

You will probably need to wait for an update to IGCC, or you can probably uninstall it as it is no longer needed by the sound of things.

I hope 'automatic colour management' is working OK?

Any need to tweak it?
 

My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    CPU
    Ryzen 9 3900X
    Motherboard
    ASUS ROG Strix X570-E Gaming
    Memory
    G-Skill RipjawsV F4-3600C18 (16GB x 2)
    Graphics Card(s)
    Gigabyte RX 5700 XT Gaming OC
    Sound Card
    Realtek ALC1220P
    Monitor(s) Displays
    ASUS VE278 (x 2)
    Screen Resolution
    1920x1080
    Hard Drives
    Samsung 850 Pro 256GB
    Samsung 970 Pro NVMe 512GB (x 2)
    ST10000VN0004 10TB (x 2)
    ST10000VN0008 10TB (x 2)
    ST4000VN000 4TB (x 2)
    PSU
    Corsair HX1000
    Case
    Corsair Carbide 400R
    Cooling
    AMD Wraith Prism (Stock)
    Keyboard
    Logitech G213
    Mouse
    Logitech G502
    Internet Speed
    100Mbps down / 40Mbps up
    Browser
    Firefox - Chrome - Edge
    Antivirus
    Windows Defender - Clamwin
Automatic Color Management for APP's is no match for all that has obviously gone missing. You can only switch it on or off. When ON I get 10 Bit color resolution RGB sent over HDMI to my capable screen. When using another screen I get 8 Bit dithered output. That is all.
 

My Computer

System One

  • OS
    Windows 11 PRO / Windows Server 2016 Essentials
Apparently the old BETA version 1.100.1300.0 of IGCC brings all Display settings back!
 

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My Computer

System One

  • OS
    Windows 11 PRO / Windows Server 2016 Essentials

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