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Error: Failed to call SetDisplayConfig. [HR: 31] [System.Exception]

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Robert Rodriguez Jr
1 discussion post
Hello - I just purchased DF Pro, and trying to switch between 2 different Monitor profiles causes this error:
An error has occurred while applying your new Monitor configuration.
Please check your settings and try again.
Error: Failed to call SetDisplayConfig. [HR: 31]

FYI - One config uses 3 monitors separately, the other config uses Nvidia surround to span them as one display.

I also tried the latest beta but still causes the same error - any suggestions?

Mar 30, 2021  • #1
Owen Muhlethaler (BFS)'s profile on
Hi Robert,

We currently don't supporting switching in/out of surround between monitor profiles which is why you're seeing that error, but we do have this open as a feature request. I've added your vote to it, so we'll be sure to let you know if we have any news on it in the future.

Mar 30, 2021  • #2
User Image
2 discussion posts
Is DisplayFusion able to toggle nVidia Surround yet? I haven't found a way to do so with Display Fusion, so I'm having to use a separate utility for this particular feature (Helios Display Manager which is able to toggle nVidia Surround on/off as expected). Would be great if this was supported by DisplayFusion.
Oct 15, 2022 (modified Oct 15, 2022)  • #3
Keith Lammers (BFS)'s profile on
Not yet, sorry!
Oct 18, 2022  • #4
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