https://www.displayfusion.com/Discussions/RSS/?TopicID=3748336d-011c-4545-b284-aa1dd3ef1fe0 DisplayFusion RSS: Error adding 4th Monitor Sun, 19 Apr 2026 15:06:23 GMT en hourly 1 https://www.displayfusion.com/Discussions/RSS/?TopicID=3748336d-011c-4545-b284-aa1dd3ef1fe0 https://www.displayfusion.com/Discussions/View/error-adding-4th-monitor/?ID=3748336d-011c-4545-b284-aa1dd3ef1fe0#2 Thu, 02 Apr 2020 19:35:29 GMT Binary Fortress Software https://www.displayfusion.com/Discussions/View/error-adding-4th-monitor/?ID=3748336d-011c-4545-b284-aa1dd3ef1fe0#2 DisplayFusion If you try to enable the fourth monitor in the Windows display settings, does it fail there as well? ]]> https://www.displayfusion.com/Discussions/View/error-adding-4th-monitor/?ID=3748336d-011c-4545-b284-aa1dd3ef1fe0 Thu, 02 Apr 2020 17:57:42 GMT Binary Fortress Software https://www.displayfusion.com/Discussions/View/error-adding-4th-monitor/?ID=3748336d-011c-4545-b284-aa1dd3ef1fe0 DisplayFusion I get this error when trying to add a 4th monitor

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] ]]>