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Turning VR On/Off Causes DF to Hang (Possibly Wallpaper Related)

PowerofRed25
1 discussion post
My normal day to day setup is triple monitor, with an ultrawide in the middle and two vertical monitors (all 1440p) flanking it. I mainly use Display Fusion to span wallpapers across these three monitors and tweak their relative heights as needed. I also have a second monitor configuration that adds a fourth monitor, a television, and it has its own wallpaper setup. Most of the time, this fourth monitor is disabled.

Both of these two monitor configurations work very well and I have no problems with the way they work or the way they integrate wallpapers, etc. When I am in my Triple Monitor configuration, it shows the disabled fourth monitor off to the side the same way it does in Windows.

Where I run into issues is when I turn on my VR headset. Display Fusion is registering my VR headset as THREE additional monitors for a total of 6 (DF disregards the television in this situation). This is what Windows normally does as well; however, with Display Fusion enabled I am running into a number of problems that are not present when Windows manages displays.

The first is that DF is trying to span my wallpaper across all "6" monitors despite those 3 not actually being monitors and it causes a huge hang up when first loading VR and CPU and Memory usage spikes. The same hangup occurs when VR is shutdown and it is trying to return to the standard default triple monitor setup. This often creates a lengthy delay before and after using VR as I wait for DF to span the wallpaper across these additional "monitors" and includes numerous black flickers as DF attempts to reset the wallpaper for three monitors rather than "six." This problem does NOT go away even when I set all "six" monitors to simply have a single solid color black background. Windows does not attempt to do this even when using the span wallpaper feature as it recognizes these are not actually monitors but are a VR headset.

The second issue is that because these additional "monitors" cannot be moved in DF and are, by default, located on top of my primary monitor, I get a number of mouse hangups when trying to run the mouse across the top edge of the screen (menus, tabs, etc). There should be no monitor hangups because there is no monitor there, but DF will not allow me to move it. There are no mouse issues when VR "monitors" are active in the Windows display settings area.

A third, more minor, issue is that all existing open windows when I switch to VR inexplicably shrink. Always from the bottom and they never return to their size until I manually snap them back. Again, this is a minor issue, but is not one that occurs in Windows normally.

Even having fully exited out of Display Fusion, Display Fusion will still attempt to control the wallpapers and causes these issues. At first I thought it was entirely because of the span wallpaper setup I had, but even after creating a Monitor Configuration for VR and setting that configuration to have only solid black backgrounds on all monitors, the issues remained.

I really love Display Fusion, almost entirely because of the Wallpaper features, but is there some sort of workaround for this issue I am just missing in the settings? In a perfect world, I would prefer DisplayFusion remain permanently locked in my default Triple Monitor monitor configuration and ignore these VR "monitors" entirely but I do not see a way to do that as I have no way to disable them and see no way to disable DF's control over them.

Separately, I have noticed a significant amount of general slowdowns and black flickers when using DisplayFusion that has never existed in my setup prior to using DisplayFusion. Again, I believe this to be related to Wallpapers as I do not use ANY other DF features. As much as I love the wallpaper profiles and ability to tweak the horizontal and vertical placement of individual parts of a spanned image, the performance hit I have had with DF and the quirks with VR are making it very difficult to justify.
8 days ago  • #1
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hello,

For the first two issues, do they still happen if you disable DisplayFusion from managing your wallpaper, but still let it run in the background?

For the third issue, could you send me a copy of your troubleshooting info with the VR monitors connected? Here are the steps:

  • Open the Settings > Troubleshooting tab
  • Click the "Export Info to File" button
  • Reply with the file attached

Thanks!
7 days ago  • #2
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