[Stefano.P]

Unfortunately my WDDM is 1.3, with last updated Nvidia driver…

[Stefano.P]

I found this:

Desktop duplication of primary monitor to other displays is disabled in Windows display settings of Windows 10 with old version of graphics adapter (< WDDM 2.0). Just download the latest driver version from its website OR if it did not work try to downgrade the graphics driver to Microsoft Basic Display driver via device manager.

https://forum.spacedesk.netdt-documentation/troubleshooting/known-issues-problems-and-limitations/windows-10-desktop-duplication-mirror-option-not-available/

my laptop use a GeForce 610M.

Could be WDDM the cause of my issue?

thanks a lot

[Stefano.P]

Same problem to me with nvidia card… no problem with a w10 pc with intel graphic card, i can only extend with spacedesk.
If I connect a hdmi display i can mirror.

What could be the solution?

[Autor]

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