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Freesync juddery.

Soldato
Joined
5 Jul 2005
Posts
2,985
Hi.

So I picked up an XG2401 the other day and tested it out yesterday on Quake Champions and Quake Live. QC ran so well it was a revelation and I was so happy. I tried QL and that was fantastic. "Freesync rocks!" I thought, but now I am not so sure. Now I am getting juddering on QC and PUGB.

After looking around on the internet I read that I should use the in-game frame limiter and set it a few FPS below the monitor refresh of 144hz. At first this seemed to work but now it is juddering again.

The strange thing is sometimes it works and sometimes it judders. I played a game of PUBG yesterday and it was smooth the whole match but today it's juddering. I've noticed that when I play PUBG MSI Afterburner shows I am getting about 80fps but when I look at the monitor information I see the V.Frequency moving between ranges 140 - 60hz very fast. When I play QC I average around 80fps but even when I am not moving the V.Frequency is moving around very fast drops to 60hz from 140hz. On Quake Live the V.Frequency stays in a tight range of 120hs-130hz. This could be the problem maybe?

My system is 1700, 16GB RAM, Powercolor R9 390 and I've tracked the temps of everything and nothing stands out - everything is normal. QL runs fantastic all the time so I don't think it's the monitor. I'm scratching my head here. Checked Freesync is on in AMD catalyst. I did have a look at the XG2401 menu last other day and the only thing I changed was checking DP 1.2 and I've tried unchecking it to no avail. My drivers were very old so I updated to the latest and it is still the same.

I'm stuck.
 
Last edited:
From what you describe it sounds like Windows Full Screen Optimizations isn't working correctly. Right-click the Game.exe >> Properties >> Compatibility tab & Check "Disable full-screen optimizations". Then relaunch the game.
 
From what you describe it sounds like Windows Full Screen Optimizations isn't working correctly. Right-click the Game.exe >> Properties >> Compatibility tab & Check "Disable full-screen optimizations". Then relaunch the game.

Thank you so much! This worked 100%! I've been Googling for days and never came across this and if it wasn't for you I probably wouldn't have. PUBG and QC now look amazing and the monitor info shows that V.Frequency is now hovering around the correct fps that the game runs - no more twitch dropping to 50fps.

Yay!
 
From what you describe it sounds like Windows Full Screen Optimizations isn't working correctly. Right-click the Game.exe >> Properties >> Compatibility tab & Check "Disable full-screen optimizations". Then relaunch the game.

Fixed a couple of my issues with this too. Annoying when you faff about for ages only to find such a simple solution :) haha
 
From what you describe it sounds like Windows Full Screen Optimizations isn't working correctly. Right-click the Game.exe >> Properties >> Compatibility tab & Check "Disable full-screen optimizations". Then relaunch the game.
I love this forum you learn new stuff all the time. I never knew that option even existed
 
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