"Gamma/Brightness" Flickering

Warhammer: Vermintide 2 Technical Support
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Originally, I thought there was something wrong with my monitor. Noticed it was exclusively in Vermintide II. This doesn’t happen recording it (via HDMI capture on a two PC setup). The screen flickers and it looks as if it’s on a brightness layer or something. Tinkered around with all of the display settings and nothing changed its frequency. After a quick google search I found a Reddit post where a user suggested turning off Voice Chat and Push to Talk. I did, and the flickering is significantly mitigated.

Any other users, or devs, have any info on what is actually causing the issue?

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We are aware of a FPS-related stuttering that can occur with Voice Chat/Push to Talk enabled, but this is new to me!

Do you have an Oculus connected to your PC? Traditional cases can be solved by changing your default recording device. Please see: https://support.fatshark.se/hc/en-us/articles/6342051904145--PC-Lag-When-a-Player-Connects-To-Leaves-a-Lobby-or-When-Using-Push-To-Talk-

1 Like
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I do not. I do have my monitor set to “duplicate” in Windows 10 settings. Display port going to a Free-sync Ultrawide @ 3440x1440 144hz, the otheris HDMI to a AverMedia 4K PCIE capture card @ 60hz. I am aware of a UWS G-Sync issue with monitors above 200hz. Maybe related?

Will be tested when I get home from work travel:
:small_orange_diamond:Equalizing Refresh Rates to 60hz
:small_orange_diamond:Remove 2nd “monitor” entirely
:small_orange_diamond:Attempt to Screencapture video to see if the issue is due to GPU rendering or directly associated with the display.
:small_orange_diamond:View VOD streams to see if its noticible.
:small_orange_diamond:Disable SoundBlaster soundcard and test audio with onboard audio.
:small_orange_diamond: Disable all audio on a hardware level.

Can actually do all of this live, post my findings here with timestamls for the VOD if you’d like, or just post my findings here.

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Found that the game flickers most on my system with the frames capped at 60fps by any means when the refresh rate is at 144hz. The flickering lessens progressively the more the FPS cap is increased.

When the refresh rate is set at 60hz and the frames are capped at 60 fps, there is also significantly less flickering.

Tested multiple Adrenaline settings as well as in-game settings that change refresh rates, resolutions, as well as changing and disabling audio devices. Their impact was not noticeable.

There was no change in behavior regardless of the amount of displays connected, nor their synchronization of refresh rates.

Had a friend who has a full AMD build as well (but different hardware) and could not replicate the issue.

I do have video evidence and will post a link when stream is complete.

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