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Vsync Suddenly Not Working


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Posted

I normally run MSFS with Vsync ON, FPS Limit = 60, and monitor refresh rate = 60 hz.  In NCP, I have vsync set to "use application setting" and frame rate limiter set to OFF.   This normally gives me a smooth 30 fps with no stutters in most situations.

Today I started MSFS, and I noticed that it was stuttering while panning.  I looked at my graphic settings, and I still had Vsync ON and FPS Limit = 60 fps.  But in Developer Mode instead of showing locked 30fps it was showing my fps fluctuating between 46 and 49 fps.  I switched vsync off and back on, and the fps stayed at 46 and 49 fps.  It appears that Vsync is not working even though I have it ON.  Has anyone else ever seen this?

Thanks.

Gary M.

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System Specs: W11 Pro, Corsair 4000X Mid Tower, Z790 Aorus Master Motherboard, i9-13900KF, 64 GB DDR5 SRAM, RTX 4090, Dell AW3821DW Monitor, Honeycomb Alpha & Bravo, MFG Crosswind Pedals, TrackIR

Posted

Video cards or msfs settings changed because you downloaded a new driver or used nvidia experience?

Ryzen 5800X3D, Nvidia 3080 - 32 Gig DDR4 RAM, 1TB & 2 TB NVME drives - Windows 11 64 bit MSFS 2020 Premium Deluxe Edition Resolution 2560 x 1440 (32 inch curved monitor)

Posted

I have the same issue. On my gaming laptop with a refresh rate of 144 Hz, I have exactly a variation on FPS even if I have set a limit of 30 with VSync ON. Interesting to know how this could be changed to keep the FPS capped and fixed around 30

Cheers, Ed

MSFS2020 Steam - Win10 Home x64 // Rig: Corsair Graphite 760T Full Tower - ASUS MBoard Maximus XII Hero Z490 - CPU Intel i9-10900K - 64GB RAM - MSI RTX2080 Super 8GB - [1xNVMe M.2 1TB + 1xNVMe M.2 2TB (Samsung)] + [1xSSD 1TB + 1xSSD 2TB (Crucial)] + [1xSSD 1TB (Samsung)] + 1 HDD Seagate 2TB + 1 HDD Seagate External 4TB - Monitor LG 29UC97C UWHD Curved - PSU Corsair RM1000x - VR Oculus Rift // Thrustmaster FCS & MS XBOX Controllers

Posted

Hey cianpars, no card change.  And I checked all of my graphic settings in MSFS and they were the same.  I don't use NVidia experience.

Gary M.

| PPL ASEL |

System Specs: W11 Pro, Corsair 4000X Mid Tower, Z790 Aorus Master Motherboard, i9-13900KF, 64 GB DDR5 SRAM, RTX 4090, Dell AW3821DW Monitor, Honeycomb Alpha & Bravo, MFG Crosswind Pedals, TrackIR

Posted

Hey edpatino, I don't understand it either.  Even though I have it ON in graphic options, it's like Vsync just quit working for some reason.

Gary M.

| PPL ASEL |

System Specs: W11 Pro, Corsair 4000X Mid Tower, Z790 Aorus Master Motherboard, i9-13900KF, 64 GB DDR5 SRAM, RTX 4090, Dell AW3821DW Monitor, Honeycomb Alpha & Bravo, MFG Crosswind Pedals, TrackIR

Posted
Just now, TexasGary said:

Hey edpatino, I don't understand it either.  Even though I have it ON in graphic options, it's like Vsync just quit working for some reason.

Mine has always worked the way I describe on my laptop. My desktop have the same settings in-sim, with a monitor refresh rate of 60 Hz, and with VSync ON I have the FPS capped at 30 and works quite at that number.

Cheers, Ed

MSFS2020 Steam - Win10 Home x64 // Rig: Corsair Graphite 760T Full Tower - ASUS MBoard Maximus XII Hero Z490 - CPU Intel i9-10900K - 64GB RAM - MSI RTX2080 Super 8GB - [1xNVMe M.2 1TB + 1xNVMe M.2 2TB (Samsung)] + [1xSSD 1TB + 1xSSD 2TB (Crucial)] + [1xSSD 1TB (Samsung)] + 1 HDD Seagate 2TB + 1 HDD Seagate External 4TB - Monitor LG 29UC97C UWHD Curved - PSU Corsair RM1000x - VR Oculus Rift // Thrustmaster FCS & MS XBOX Controllers

Posted
1 hour ago, TexasGary said:

I normally run MSFS with Vsync ON, FPS Limit = 60, and monitor refresh rate = 60 hz.  In NCP, I have vsync set to "use application setting" and frame rate limiter set to OFF.   This normally gives me a smooth 30 fps with no stutters in most situations.

Today I started MSFS, and I noticed that it was stuttering while panning.  I looked at my graphic settings, and I still had Vsync ON and FPS Limit = 60 fps.  But in Developer Mode instead of showing locked 30fps it was showing my fps fluctuating between 46 and 49 fps.  I switched vsync off and back on, and the fps stayed at 46 and 49 fps.  It appears that Vsync is not working even though I have it ON.  Has anyone else ever seen this?

Thanks.

Yep me too - since the last WU I think, maybe a week or two ago. Switching Vertical Sync on or off makes no difference now. Worked fine before.

Posted

rayharris108, I made some other flights since the last update on 6/14 and Vsync was working normally.  So I am not sure it's related to the last WU.  I'm really pulling what little hair I have left out over this one.

Gary M.

| PPL ASEL |

System Specs: W11 Pro, Corsair 4000X Mid Tower, Z790 Aorus Master Motherboard, i9-13900KF, 64 GB DDR5 SRAM, RTX 4090, Dell AW3821DW Monitor, Honeycomb Alpha & Bravo, MFG Crosswind Pedals, TrackIR

Posted

What rez/monitor do you have?  Could G Sync be switched on?

Ryzen 5800X3D, Nvidia 3080 - 32 Gig DDR4 RAM, 1TB & 2 TB NVME drives - Windows 11 64 bit MSFS 2020 Premium Deluxe Edition Resolution 2560 x 1440 (32 inch curved monitor)

Posted

Hey cianpars, I have a 40” Phillips BDM4065UC.  Its 4K but it's not G Sync.  My desktop resolution is currently 4K (3840 X 2160) and I run MSFS at 65% render scaling.

Gary M.

| PPL ASEL |

System Specs: W11 Pro, Corsair 4000X Mid Tower, Z790 Aorus Master Motherboard, i9-13900KF, 64 GB DDR5 SRAM, RTX 4090, Dell AW3821DW Monitor, Honeycomb Alpha & Bravo, MFG Crosswind Pedals, TrackIR

Posted
5 hours ago, TexasGary said:

I normally run MSFS with Vsync ON, FPS Limit = 60, and monitor refresh rate = 60 hz.  In NCP, I have vsync set to "use application setting" and frame rate limiter set to OFF.   This normally gives me a smooth 30 fps with no stutters in most situations.

Today I started MSFS, and I noticed that it was stuttering while panning.  I looked at my graphic settings, and I still had Vsync ON and FPS Limit = 60 fps.  But in Developer Mode instead of showing locked 30fps it was showing my fps fluctuating between 46 and 49 fps.  I switched vsync off and back on, and the fps stayed at 46 and 49 fps.  It appears that Vsync is not working even though I have it ON.  Has anyone else ever seen this?

Thanks.

What happens if you set Frame Rate Limit = 30 in the sim? Should lock you at 30 fps and Developer Mode will show Vsync active.

I have Vsync = use application setting in NVCP; Monitor refresh at 100 hz; Vsync on in sim and Frame Rate Limit = 20 in sim and get rock steady 33.3 fps unless my meager system can't keep up in which case fps will drop a bit...but it NEVER goes above 33.3fps.

Steven_Miller.png?dl=1

i7-6700k Gigabyte GA-Z170X-UD5 32GB DDR4 2666 EVGA FTW ULTRA RTX3080 12GB

Posted

Ditto for me. I'm not sure it happened after last update, but Vsync is certainly not behaving the same as before.

I9-13900K, RTX 4090, Reverb G2, Simrig Motion platform

  • 5 months later...
Posted

Everything should be the same as before.

Ir works without problems for me with 60 Hz i set it to 50% and it caps on 30.

But I've experienced in past that it doesn't work. Usually  from a sim that was started in vsync off and then try to turn it on.

Is been a while so I'm not sure exactly what it was for me but either restarting the sim with it active or disabling Riva tuner statistics server fixed it. Now it works again like always.

BetaTeamB.png

Posted
57 minutes ago, Senchai said:

Everything should be the same as before.

Ir works without problems for me with 60 Hz i set it to 50% and it caps on 30.

But I've experienced in past that it doesn't work. Usually  from a sim that was started in vsync off and then try to turn it on.

Is been a while so I'm not sure exactly what it was for me but either restarting the sim with it active or disabling Riva tuner statistics server fixed it. Now it works again like always.

You do understand you are replying to a 5 month old post, right?

Alvega

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