https://www.displayfusion.com/Discussions/RSS/?TopicID=20c21d4f-5074-49a9-89b9-32fff3292f6f DisplayFusion RSS: Error: Failed to call SetDisplayConfig. [HR: 31] Sun, 19 Apr 2026 19:38:30 GMT en hourly 1 https://www.displayfusion.com/Discussions/RSS/?TopicID=20c21d4f-5074-49a9-89b9-32fff3292f6f https://www.displayfusion.com/Discussions/View/error-failed-to-call-setdisplayconfig-hr-31/?ID=20c21d4f-5074-49a9-89b9-32fff3292f6f#4 Thu, 18 Feb 2021 08:06:31 GMT Binary Fortress Software https://www.displayfusion.com/Discussions/View/error-failed-to-call-setdisplayconfig-hr-31/?ID=20c21d4f-5074-49a9-89b9-32fff3292f6f#4 DisplayFusion Thats a real shame, I saw from years ago a similar answer from you guys but noticed on the trail that people had written functions to do it (not that I go any to work), also this Repo https://github.com/falahati/HeliosDisplayManagement has managed it and it works so thought you guys would have more luck.

Thanks for the answers I suppose I've got nice wallpapers now ]]> https://www.displayfusion.com/Discussions/View/error-failed-to-call-setdisplayconfig-hr-31/?ID=20c21d4f-5074-49a9-89b9-32fff3292f6f#3 Thu, 18 Feb 2021 08:06:27 GMT Binary Fortress Software https://www.displayfusion.com/Discussions/View/error-failed-to-call-setdisplayconfig-hr-31/?ID=20c21d4f-5074-49a9-89b9-32fff3292f6f#3 DisplayFusion Thats a real shame, I saw from years ago a similar answer from you guys but noticed on the trail that people had written functions to do it (not that I go any to work), also this Repo https://github.com/falahati/HeliosDisplayManagement has managed it and it works so thought you guys would have more luck.

Thanks for the answers I suppose I've got nice wallpapers now ]]> https://www.displayfusion.com/Discussions/View/error-failed-to-call-setdisplayconfig-hr-31/?ID=20c21d4f-5074-49a9-89b9-32fff3292f6f#2 Wed, 17 Feb 2021 19:40:23 GMT Binary Fortress Software https://www.displayfusion.com/Discussions/View/error-failed-to-call-setdisplayconfig-hr-31/?ID=20c21d4f-5074-49a9-89b9-32fff3292f6f#2 DisplayFusion Hi Mike,

Unfortunately we don't support this. We do have it open as a feature request, but we haven't had much luck in finding a solution. 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.

Thanks! ]]> https://www.displayfusion.com/Discussions/View/error-failed-to-call-setdisplayconfig-hr-31/?ID=20c21d4f-5074-49a9-89b9-32fff3292f6f Mon, 15 Feb 2021 15:52:03 GMT Binary Fortress Software https://www.displayfusion.com/Discussions/View/error-failed-to-call-setdisplayconfig-hr-31/?ID=20c21d4f-5074-49a9-89b9-32fff3292f6f DisplayFusion Hi,
I've been playing around thinking about getting display fusion for a while now and was unsure due to uncertain comments in the past about if it works with NVidia surround or not. Being aware of Helios Display management which does the job and the mention now of NVidia surround in the monitor profiles (and it being on offer on steam ) Ive purchased a copy.

I've tried everything but just get the following error when trying to swap in and out of surround:

An error has occurred while applying your new Monitor configuration.
Please check your settings and try again.
Error: Failed to call SetDisplayConfig. [HR: 31]
[System.Exception]

I've also tried a few custom functions, but they don't seem to do anything for me, any help would be appreciated?

Thanks
Mike ]]>