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DisplayFusion preventing games opening fullscreen.

User Image
Rocksy
2 discussion posts
I've tried the recent 9.7.1 and the curreent beta, I have a few games that will not open in fullscreen with DisplayFusion active. Cyberpunk, Orange Cast and another one that escapes me.

I've never had this issue before and i'm running an unchanged profile.
ideas?
Jan 29, 2021  • #1
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hello,

Strange, if you open up the Display Fusion settings and head to the compatibility tab, can you add the application in and check off "Disable Application Hooks" and see if the issue persists?

Thanks!
Jan 29, 2021  • #2
User Image
Rocksy
2 discussion posts
Thanks for the reply
That doesn't work. I also tried forcing to fullscreen in the same menu and it doesn't work either.
I madea recording of the situation. When the game goes fullscreen back to desktop that's me alt tabbing.
https://streamable.com/662e60
Jan 30, 2021  • #3
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Hello,

Interesting, thanks for sending over that video. Can you try enabling "Force Display Fusion to treat this as a full screen application" along with "Disable Display Fusion Taskbars while this application is running", and then restart Display Fusion and see if the issue persists?

Thanks!
Feb 1, 2021  • #4
User Image
Sidkain
3 discussion posts
Hi Owen, sorry to open a dead thread, but I come bearing good news at least since this user never got back to you. I couldn't verify I had the same issue using the video provided in this thread because the link is dead now, but the issue sounds very similar if not identical to the issue I was having recently. Your troubleshooting steps helped me to figure out the problem and maybe this will help with debugging if devs are taking a look at this?

I started by adding 3 different games that were having the issue to the "Compatibility" tab in DF. I tested each of these steps on each game, and they all exhibited the same behavior.

Checking the "Disable DisplayFusion Taskbars while the application is running" option fixed the issue of the games forcing themselves to constantly alt tab; however when I did alt tab out of the game, this made me unable to use the DF taskbars, which is not ideal at all. I messed with the "Disable Application Hooks" and "Force Fullscreen" options as well - ultimately those lanes were moot, but then I remembered one of the games behaved fine the day before I had Enabled Auto-Hide on my DF taskbars.

I turned off all the Compatibility options, Disabled Auto-Hide on all of my DF taskbars and tested each game: Everything worked perfectly and I could still use the taskbars when I did want to alt tab.

Looks to me like the Display Fusion Multi-Monitor Taskbar Auto-Hide function doesn't play well with Fullscreen apps. So I deleted all the compatibility applications and I'll be happy without Auto-Hide for now. Thanks for your comments to point me in the right direction.
Jul 7, 2022  • #5
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Ah, interesting find! What games were you able to reproduce this with? If I have them I'll test it out and see if I can reproduce it.

Thanks!
Jul 7, 2022  • #6
User Image
Sidkain
3 discussion posts
Well I said 3 games, but technically it was 2. I play Rocket League on two different platforms and had to do this with both launchers.

Games:
Rocket League (Epic Launcher)
Rocket League (Steam Launcher)
Teamfight Tactics

I didn't test with League of Legends, but it's also one of those weird Riot games where the lobby window isn't fullscreen before the games launches fullscreen, and I wouldn't be surprised in the least bit if it behaved the same as TFT based on the testing I had done. If I have it happen on any other games, I'll be sure to post here.
18 days ago  • #7
Owen Muhlethaler (BFS)'s profile on WallpaperFusion.com
Do you have a monitor split on the monitor you're launching the game on?

Thanks!
13 days ago  • #8
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