I know in documentation -> known issues, there is specifically already a brief explanation for why the Windows 11/10 Desktop Duplication (mirror) option is not available, but I’m still having a problem where I cannot duplicate my display on Windows 10 under Settings -> System-> Display. The Windows + P menu where it lets you select between extend and duplicate does not work either as I have 4 monitors hooked up to this desktop computer, so it just duplicates 2 of them and turns all the others off (including spacedesk on my android).
I checked that my WDDM is not less than 2.0 – it appears to be 2.7. Windows 10 has all its latest updates and so do my NVIDIA drivers for my 5070 TI graphics card. I think my CPU also has integrated graphics and in my BIOS that should be set to auto.

Under the spacedesk driver console everything looks good as well. I’m just not sure what to do. I’m including my dxdiag.txt file as well to try and get some help, but let me know if there’s anything else I should provide. I’m not sure if the diagnostic information collection from the driver console would help but I’m attaching that as well.

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