RasmusP
Premium
It's quite a mess honestly. The g-sync indicator overlay might show that it's active, but the Hz aren't fluctuating etc.I had multiple different monitors all work perfectly with G-Sync (no module) and flipped vertically. That's unfortunate that the vertical flip option is disabling G-Sync or making the Hz (and/or framerate) erratically jump around for your teammates. If it's indeed an Nvidia issue, I wonder if many others experience it and, if so, if Nvidia is aware of it.
If you want to try something:
Download the nvidia gsync pendulum demo. If you can enable gsync in it, gsync is working 100%.
I have 2x Dell G2422HS, 165 Hz IPS, gsync compatible certified.
To get gsync enabled in the pendulum demo when using nvidia surround or when vertically flipped, some wild combination of enabling/disabling fullscreen optimizations for the pendulum exe (VRR64.exe), hitting alt+enter a few times is needed.
Sometimes gsync is active at the beginning and then can't be engaged anymore after hitting alt+enter 2x or it's the opposite order.
And this behaviour seems to change with each GPU and monitor combination.
Without the vertical flip, I can get gsync enabled no matter what, it's always possible if gsync is set to also activate for windowed applications.
Mhhh.. different experience for me. I have 1x 100 Hz (120 Hz OC) Dell AW3418DW with gsync module + 2x 24" Dell with 165 Hz.I would never recommend no G-Sync / Freesync / VRR even if over 165 Hz. You can easily still experience tearing as well as tons of stutters / frame-skipping due to the framerate and refresh rate not matching. I've used 240 Hz monitors at over 240 fps and the stutters are easily still visible and jarring. Some game-engines are not as bad as others.
At 165 Hz, the difference between gsync or no sync is already very minimal. At a friend with 240 Hz and 360 Hz monitors, I can't see any tearing or stuttering at 240 Hz+. Even when trying to nitpick.
Maybe you didn't disable the fullscreen optimizations for the game exe? Then the Windows Desktop Window Manager (DWM) often applies some triple buffered vsync without limiting the fps.
To really test this, I did this:
I use the two 24" monitors mostly for work or other stuff, but they had a great price in a sale, so why not get 165 Hz
I made the bottom monitor the main one, started ACC, disabled fullscreen.
What's funny: "borderless" only means that the border is outside of the visible area. When you have a monitor seamlessly on top of it, you'll see the window-title-bar.
So I simply grabbed the "borderless" ACC with gsync running fine and smoothly and dragged it partly onto the upper monitor that had gsync disabled in the monitor OSD. so the nvidia control panel wouldn't even list it as compatible.
I watched this for 10 minutes and I'm not sure if I would've guessed a blind test correctly.
I'm not saying that you don't see the no-sync even at 240 Hz.
I'm only saying that I'm the "nitpickiest" special snowflake of all people I know a bit better and I don't need any sync at 165+ Hz.
So at least it's not "easy" to see
Or maybe the DWM or other settings screwed things up for you, difficult to find out, since no consumer camera can record this stuff.
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