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
    2025-06-16T18:13:09+00:00

    "I am unsure if the mentioned tool "CRU" it works in this setup."

    You should try it; I'm sure it will work for you as well. You can even revert it. Here's somebody explaining how to do it: https://powrusr.com/fix-the-dolby-vision-black-screen-issue-in-games-like-need-for-speed-heat/In a different context, but this is precisely what I did for my second monitor.

    Thanks for the URL. I tried it and removed the DV feature from the LG with this tool. Restarted GPU driver. Installed faulty Win11 update (xxx3060). After reboot sadly the green screen was back. Had to uninstall the Win11 update (xxx3060) and pause automatic updates.

    But, before uninstalling the update I hooked up the ROG Ally to a 2024 LG OLED. That TV had no trouble displaying the picture with the update installed (xxx3060). Looks like the DV driver from Win11 has some trouble with older DV display devices.

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  2. Anonymous
    2025-06-16T19:41:44+00:00

    Same issue here, noticed it today. Very annoying, please fix that. Win 11, 4090, LG C2.

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  3. Anonymous
    2025-06-17T17:53:00+00:00

    Interesting, so it seems I had more luck and the solution doesn't work for everybody...
    However, you may need to reinspect the settings with CRU after installing the update that initially caused the issue.
    Perhaps it overwrites the registry entry and its associated binary blob, which contains the DV flag. Just an idea ...

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  4. Anonymous
    2025-06-17T18:10:06+00:00

    I have two LG OLEDs running on HDMI 1 and 2 from my RTX 4090 pc (LG C2 and a C3) I also have a MSI monitor running on one of the Display Ports. The (Use Dolby Vision mode) problem is only happening on the C2. I tried swapping the ports, but the issue stays with the LG C2. They need to update the software and fix this

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  5. Anonymous
    2025-06-18T05:42:36+00:00

    Microsoft - Hurry the F up and send an update to FIX THIS!!! We pay for this ****.

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