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Error: Failed to call EnableMonitors.

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17 discussion posts
Win 7 64-bit, DF Pro v9.3

I'm using my laptop with 3 external monitors (so 4 screens in total). I have a monitor profile for when all 4 screens are enabled ("4_screens"). I wanted to modify this setup to disable the laptop screen and then save that as a new profile.

In the Monitor Configuration window, when I select the laptop screen, then select Disabled from the drop-down menu, and then select Apply, I receive the following error message:

An error has occurred while applying your new Monitor configuration.
Please check your settings and try again.
Error: Failed to call EnableMonitors.

As an attempted workaround, I used Windows' screen resolution menu to disable the laptop screen, then went into DF and saved the configuration as a monitor profile ("3_screens"). When I attempt to switch profiles from "4_screens" to "3_screens", I receive the same error message.

Any ideas on what's causing this?
Jul 30, 2018 (modified Jul 31, 2018)  • #1
Keith Lammers (BFS)'s profile on WallpaperFusion.com
I'm not sure, but I'll check in with our devs and see what info they need to help troubleshoot this further.

Aug 1, 2018  • #2
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Could you download the tool below and attach the output from it?


Aug 3, 2018  • #3
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