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讨论规则及指引
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What is your PC specs?
Is Windows HDR enabled, under Settings > Windows HD Color?
Does your monitor have drivers installed too? Under it's color management, does it have an ICC Profile setup for it? Under the advance tab for Windows Color System Defaults, are they all on System default too?
I would also suggest asking on the Nvidia forums > Driver Feedback Thread
https://www.nvidia.com/en-us/geforce/forums/game-ready-drivers/13/441957/geforce-46589-game-ready-driver-feedback-thread-re/
1080 Ti
Win 10 64
LG 32GK850F
Everything is what came with the monitor or default.
The only things that has changed are the windows update and the Nvidia Driver update.
It clearly has no idea which games are not HDR anymore. I'll just play those games in windowed mode until the next driver update if I have to
I downloaded the monitors drivers again, installed them and the OSC program update that came with them. I'll try again.
I'll try DDU and another clean install
Under your Windows Updates, look for an optional Cumulative Update Preview (KB5000842). Install that and reboot. There's an update in that addressing an issue that makes high dynamic range (HDR) screens appear much darker than expected. It might change your HDR appearance yet again, but could fix it. Might of been a Windows, rather than Nvidia drivers glitch. Just another option to try.
DDU did not work.
I think that is the update that broke my HDR.
Installed both of them.
I think you are correct that this is a windows 10 update problem and not an NVIDIA.
It was one of those new win 10 updates.
I will try rolling back those win 10 updates and see what happens, but I see it is being reported on nvidias website so maybe MS and Nvidia will get together and put out a hotfix.
It must be the Nvidia 465.89 driver
That's not actually full HDR. Since it's a VESA Display, HDR 1000 would be full HDR. HDR 400 and HDR 600 are a bit of marketing gimmick. A standard HDR 10 is equal to a VESA HDR 1000. However, all can still do more than a standard non-HDR with a better colour range. You just have to ensure the Windows HDR and graphics card knows it's color profile range. It might be currently sending it a full range HDR and you therefore get cropped off at either end, which tend to be the pure whites and pure blacks.
Get the drivers for your monitor:
https://www.lg.com/us/support/product/lg-32GK850F-B.AUS
The pack will be called "LG HDR QHD_32GK850F_Driver.zip" under the software and drivers box on the side.
Extract all the zip file into a folder.
Run the setup.exe to install the drivers for the monitor. If they are currently using Windows default or older ones, it will update and Windows will now know what the monitor is.
You will also find a .CAT file, .ICM file and .INF file. That's the color profile optimized for your monitor. When you take a photo and dump it on your PC, compare the colors, do the greens look like the same green and so on.
Right-click on the INF file and select Install. You can do the same with the ICM file, right-click and install. If the INF file doesn't automatically do that as well for you.
Reboot.
Under the Windows taskbar, search/run box, type: Color Management
From the Color Management, it should show your Display 1, with the correct name of the monitor and graphics card. If it's an unknown monitor or native, you have done something wrong. Under the Profiles associated with this device, there should be your monitors ICC Profile. If there are multiple profiles, set the real monitors ICC Profile as the default.
Under the advance tab on that, you can set everything as System default, if not already.
Apply and close, then reboot once more.
See if that helps as Windows will now know your monitors color range. Same deal happens with printers.
On the Nvidia feedback forums this is a sticky topic. They know and are asking for details.
https://www.nvidia.com/en-us/geforce/forums/game-ready-drivers/13/441957/geforce-46589-game-ready-driver-feedback-thread-re/
As I posted. It's the 465.89 driver broke non HDR games in fullscreen on some setups. It seems that Gsync/freesync with HDR, possibly just HDR 400 or 600, can be a problem. Oh, and it looks like DP is in every complaint.
The problem isn't with HDR content. It is only with non HDR sRGB content. HDR content looks amazing as usual. The sRGB content is forced into the HDR colorspace and it looks faded. Any monitor is capable of displaying this colorspace. When I go to borderless or windowed, it looks normal.
Do you have Gsync/Freesync using DP with HDR and if so which HDR?
That could be why it's looks fine then, rather than full screen.
If it is a glitch in the drivers or Windows update, while waiting on a fix you could use that as a workaround.