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Windows 11 keeps forcing Dolby Vision every time I start up, even though I turned it OFF

Anonymous
2025-06-05T17:36:51+00:00

Hi all,

I have an LG OLED G4 connected to my PC (Windows 11, NVIDIA 4090 graphics card). In Windows settings I’ve turned off “Use Dolby Vision mode,” and on the TV I’ve also disabled the Dolby Vision option for that HDMI port. Despite that, every single time I power the TV and PC back on, Windows starts in Dolby Vision anyway.

The picture looks brown, dim, and washed-out until I manually go into Windows, turn the Dolby Vision toggle on and then off again. After that, it switches to the normal HDR mode I actually want (“HDR Game Optimizer” on the TV) and everything looks fine—until the next restart, when the whole problem repeats. If I turn the TV off and on again while the PC is still on, it says in HDR Game Optimizer; it's when I restart the PC and the TV that it reverts to Dolby Vision again. It'll even revert to Dolby Vision if I just restart the PC, leaving the TV on the entire time. I've also tried hard power-cycling the TV (unplugged for one minute) after getting all the settings the way I want) and the problem still occurs.

In short:

  • Dolby Vision is OFF in Windows.
  • Dolby Vision is OFF in the TV’s input settings.
  • Yet Windows still chooses Dolby Vision at every cold boot or wake-up.
  • Manually flicking the toggle fixes it temporarily, but the setting never sticks.

This started after a recent Windows and graphics-driver update. It’s making HDR on my PC basically unusable.

Please let me know how to stop Windows from forcing Dolby Vision at startup, or escalate this as a bug. I just want my system to stay in regular HDR when I’ve told it to.

Windows for home | Windows 11 | Devices and drivers

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  1. Anonymous
    2025-07-02T05:05:59+00:00

    Yeah, this Julie guy has no clue what the hell he's talking about. To limit the dynamic range output would... well, it would limit the full capacity of our OLED panel.

    I've been using my LG OLED C2 on full, as intended by the manufacturer, since I got it. I never had any issues until those recent trash Windows updates. I hope they fix it soon, because it's a pain to turn Dolby Vision off every time I restart my PC.

    4 people found this answer helpful.
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  2. Anonymous
    2025-06-15T15:54:37+00:00

    None of these solutions are helping. I even have Dolby Vision turned off in my Windows settings, but the minute I restart, it turns back on—even though the setting still says it's off. I have to toggle it on and off just to actually disable it. This issue started recently, just like many of the comments have mentioned.

    4 people found this answer helpful.
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  3. Anonymous
    2025-06-15T15:26:04+00:00

    I too am experiencing this issue.

    None of the recommended solutions have worked / are acceptable.

    Please fix or advise another solution that doesn't gimp my dynamic range.

    4 people found this answer helpful.
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  4. Anonymous
    2025-06-13T06:16:55+00:00

    I'd rather not have to limit my colours because of a broken windows update.

    3 people found this answer helpful.
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  5. Anonymous
    2025-06-06T14:18:52+00:00

    I have the same problem as the Original Poster. I use an LC C3 65 and a Windows 11 PC with a 4090 GPU. Every startup has Dolby Vision on by default (but not actually selected to be on). I must go into display setting and toggle it On, then Off again for it to disable Dolby Vision and return to HDR10. The colors are atrocious with Dolby Vision on, almost all green/pink. For the below option, I do not have the "Video Settings" folder at all. When attempting to perform this, as I clicked each sequential folder, the only "V" folder under "CurrentVersion" is "VFU Provider". I am hesitant to turn off Full color range for two reasons, 1 I do not use Nvidia color settings, 2 I believed this would affect HDR10 that I do want on.

    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion*VideoSettings*

    Another way to disable it is by modifying the registry.

    1. Press Win + R and type regedit to open the registry editor.
    2. Navigate to the following path:
    3. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\VideoSettings
    4. Find the key value related to DolbyVision or HDR and change it to 0.

    Thank you

    Edit: I just noticed the date of the OP. This has only started occurring for me, over the past week, if that information helps. I have used this PC with this display for over a year without this issue.

    Edit 2; Sorry for the additional edits. While thinking through occurrences around that time, I believe I received the update to the all-encompassing Nvidia App. In that app there are RTX Dynamic Vibrance and RTX HDR options for games without natural HDR support. AI driven software. I did test this on a game (The First Berserker Khazan). I wanted that information presented as maybe this is somehow calling for something to be on between the display and pc, when not selected.

    3 people found this answer helpful.
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