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Broken splits, ghost splits, overlapping taskbars, start menu offset

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noaburr71774
18 discussion posts
Not sure how to describe these issues too well.

With DisplayFusion managing my screens, I get a ton of small to moderate but frustrating issues.

My left monitor (3840x2160) seemingly has an invisible split or is being merged with my ultrawide monitor somehow (3440x1440). Windows only maximize to the top 3/4 of the monitor and while I can manually resize them, this obviously isn't ideal as it forces windowed states and is difficult to get into place. Borderless applications are especially an issue since they absolutely refuse to use the full monitor.

The bottom quarter is totally ignored, windows never maximize to that area.

Dragging a window in my 4k monitor causes the DisplayFusion shortcut button to be totally offset, being about 2000 pixels into my ultrawide. I don't use the button, but it might be a clue in what the issue is.

Task bars are often overlapping or don't appear at all. This might be related to the "Use these Features with Split Monitors" section of the settings, but I prefer to have one taskbar per monitor rather than per split.

The start menu often doesn't appear on certain monitors, or will appear far above the taskbar or cut off behind and below it.

I can deal with most of these issues but only being able to use 3/4 of a 4k monitor is a dealbreaker, as annoying as the rest of the issues are. I'd really appreciate some help with this as it's driving me crazy.
• Attachment [protected]: 2021-06-30_22-53-05.png [1,756,956 bytes]
• Attachment [protected]: 2021-06-30_22-55-04.jpg [988,969 bytes]
Jun 30, 2021  • #1
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hello,

Could you send me a copy of your troubleshooting info? Here are the steps:

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

Thanks!
Jul 2, 2021  • #2
User Image
noaburr71774
18 discussion posts
Hope this can help. I had to enable the ultrawide as my primary monitor for the splits issue to show up again. With the 4k monitor as my primary monitor the splits weren't working, but the invisible split was gone.
• Attachment [protected]: DisplayFusionDebugInfo.zip [41,528 bytes]
Jul 2, 2021  • #3
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hello,

Thanks for sending that over. It looks like there are some issues detecting your video card, which is likely what's causing these issues.

Could you download our test tool (https://www.binaryfortress.com/Data/Download/?DownloadID=495db9ad-a9fe-4bee-a23d-d9cf233a7b1b&Log=0) and send over the output in a text document?

Thanks!
Jul 7, 2021  • #4
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noaburr71774
18 discussion posts
Hi Owen, apologies for the delay. Here's the output from the tool.
• Attachment [protected]: Output.txt [98,690 bytes]
Jul 22, 2021  • #5
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hello,

Thanks for sending that over. If you disable your monitor splits, do these issues still happen?

Thanks!
Jul 29, 2021  • #6
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noaburr71774
18 discussion posts
Quote:
Hello,

Thanks for sending that over. If you disable your monitor splits, do these issues still happen?

Thanks!


I've been able to narrow the issue down to multi-monitor taskbars. It seems to be the only thing causing the issues. With multi-monitor taskbars disabled the ghost split on my 4k monitor is gone, but if I enable multi-monitor taskbars whatever windows are on my 4k monitor immediately shrink down and the ghost split returns.

Some of the other scaling issues beyond the ghost split return with M-M taskbars enabled, so I'm pretty confident this is what's been causing all the issues. Disabling them through DF fixes all the issues, but of course means I can't use the taskbar feature.

Monitor splits don't seem to be causing or affecting the issues I originally described.
Jul 30, 2021 (modified Jul 30, 2021)  • #7
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hello,

Interesting, could you send over the output of that test tool with your taskbars enabled, and without?

Thanks!
Aug 4, 2021  • #8
User Image
noaburr71774
18 discussion posts
Quote:
Hello,

Interesting, could you send over the output of that test tool with your taskbars enabled, and without?

Thanks!


Here's the outputs with Multi-monitor taskbars on (MM-On) and off (MM-Off).
• Attachment [protected]: MM-Off.txt [98,646 bytes]
• Attachment [protected]: MM-On.txt [98,646 bytes]
Aug 7, 2021  • #9
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hello,

Thanks for sending those over, DisplayFusion is definitely reading the taskbar values wrong. Could you send me over a debug log? Here are the steps:

  • On the DisplayFusion Settings > Troubleshooting tab, change the Logging drop-down to "L1: Log Minimal" and click Apply
  • Reproduce the issue and note the time so we'll know where to check in the log file
  • Click the "Export Info to File" button on the Settings > Troubleshooting tab
  • Reply with the file attached
  • Disable debug logging after sending the log

Thanks!
Aug 23, 2021  • #10
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noaburr71774
18 discussion posts
Hi Owen, thanks for getting back to me.

Here's the debug log output. I enabled multi monitor taskbars around 01:30. Hope this can help diagnose the issue.
• Attachment [protected]: DisplayFusionDebugInfo.zip [832,049 bytes]
Aug 25, 2021  • #11
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hello,

This issue is definitely stemming from DisplayFusion not being able to read your monitor information.

What model of monitors, and graphics card are you using?

Thanks!
Sep 30, 2021  • #12
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noaburr71774
18 discussion posts
Left is an ASUS VP28UQGL, middle is Gigabyte G34WQC, bottom is an XP-Pen Artist22E Pro. The GPU is a Gigabyte RTX 2060. The standard monitors are connected with DisplayPort, and the tablet with HDMI.
Sep 30, 2021  • #13
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hello,

Are you running any anti-virus software on your system?

Thanks!
Oct 4, 2021  • #14
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noaburr71774
18 discussion posts
Just the Windows virus protection that comes with Windows 10.
Oct 4, 2021  • #15
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hello,

We've made some adjustments to our output test tool. Could you download it here, and send over another file? https://www.binaryfortress.com/Data/Download/?Package=displayfusion&bfcustomertest=1&Log=0

Thanks!
Oct 21, 2021  • #16
User Image
noaburr71774
18 discussion posts
Quote:
Hello,
We've made some adjustments to our output test tool. Could you download it here, and send over another file? https://www.binaryfortress.com/Data/Download/?Package=displayfusion&bfcustomertest=1&Log=0
Thanks!

Hi,
The tool doesn't seem to be working. Just to check, the correct file to run is "BFCustomerTest.exe"? Unzipping the folder and running the file normally and in administrator mode doesn't seem to do anything.
Oct 21, 2021  • #17
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hello,

Ah whoops! Can you try downloading it again from that link and let me know if you still run into issues?

Thanks!
Oct 22, 2021  • #18
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noaburr71774
18 discussion posts
Hi Owen,
I have attached the log here. Hope it helps.
• Attachment [protected]: BFCustomerTest.txt [101,682 bytes]
Oct 23, 2021  • #19
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hello,

Thanks for sending that over, it looks like some error messages are appearing now. Can you try removing your monitor driver, let Windows reinstall it using device manager, and then send me over another copy of your troubleshooting information?

Thanks!
Oct 26, 2021  • #20
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noaburr71774
18 discussion posts
Hi,
Not sure uninstalling the monitor drivers did anything. Could you provide directions for the uninstallation process if the logs don't show the expected results?
Thanks
• Attachment [protected]: BFCustomerTest.txt [107,160 bytes]
Oct 26, 2021  • #21
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noaburr71774
18 discussion posts
Hi, could I get an update on this thread please? I'm still struggling with the same issues.
Nov 16, 2021  • #22
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hello,

Sorry for the delay. Could you actually try opening Device Manager, and enable "Show Hidden Devices" in the "View" tab, and see if there are any virtual adapters listed under the "Display Adapters" section?

Thanks!
Nov 16, 2021  • #23
User Image
noaburr71774
18 discussion posts
No problem!

With "Show Hidden Devices" enabled, there are no adapters listed other than my RTX 2060.
Nov 16, 2021  • #24
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hello,

Okay interesting, can you try unplugging that XP-Pen Artist22E Pro monitor, and then send me over another copy of your troubleshooting info? I'll attach the steps again below:

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

Thanks!
Nov 17, 2021  • #25
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noaburr71774
18 discussion posts
Hi, here's the exported info. Just a heads up - the 4k monitor has been rotated to portrait mode since the last time I sent over troubleshooting info.
• Attachment [protected]: DisplayFusionDebugInfo.zip [30,990 bytes]
Nov 18, 2021  • #26
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hello,

Thanks for sending that over. Can you try uninstalling TeamViewer and see if the issue persists? Sometimes the driver it installs can cause issues.

Let me know if that helps.

Thanks!
Dec 1, 2021  • #27
User Image
noaburr71774
18 discussion posts
Hi Owen,

I did a full uninstall of Teamviewer - no improvement on the issue unfortunately.

I did have an idea though, and remembered that windows by default changes the scaling of text for certain monitor sizes. Changing the scale to 100% seems to have solved the issue (although it does make the cursor and text uncomfortably small and difficult to read).

That said, would it be possible to add support for monitor scaling in future versions of DisplayFusion? As happy as I am to be able to use DF's features properly now, it is difficult to use most apps at 100% scale with high PPI monitors.

Thanks for offering your help over the last few months! I hope me finding the solution can help other users with similar issues.
• Attachment [protected]: ApplicationFrameHost_2021-12-02_02-24-29.png [72,747 bytes]
Dec 2, 2021  • #28
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
That's really strange, but I'm glad to hear you found the issue! Setting scaling above 100% definitely shouldn't be causing these issues. Could you send me over another copy of your troubleshooting info when your scaling is set to 100%?

Also just to confirm, if you switch back to 150%, does the issue come back?

Thanks!
Dec 2, 2021  • #29
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noaburr71774
18 discussion posts
Sure - here's the results of 100% scaling (and 150%, just in case it helps).

The issues come back at 150% scaling - windows snap incorrectly, splits stop working, the DF shortcut near the minimize, maximize and close icons becomes offset again, etc. When I swapped back to 100% after saving the diagnostics everything went back to normal.
• Attachment [protected]: DisplayFusionDebugInfo100.zip [97,168 bytes]
• Attachment [protected]: DisplayFusionDebugInfo150.zip [84,089 bytes]
Dec 3, 2021  • #30
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Thanks for sending that over. Do you have any compatibility settings in Windows set to run with DisplayFusion?

Thanks!
Dec 16, 2021  • #31
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noaburr71774
18 discussion posts
None that I'm aware of - I'm using a fresh install of the Steam version of DF.
Dec 17, 2021  • #32
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
When you adjust your scaling settings, are you rebooting, or does the issue happen right away?

Thanks!
Jan 12, 2022  • #33
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