December 25, 20232 yr Has anyone else observed VSync not working lately in DX12? I'd observed some screen tearing recently, and I tried turning VSync ON in the Nvidia Control Panel instead of inside MSFS itself. To my delight, the screen tearing suddenly disappeared completely. Previously, I just turned VSync on inside MSFS and it worked fine -- until lately. Anyone else? Edited December 25, 20232 yr by David Mills Processor: Intel i9-13900KF 5.8GHz 24-Core, Graphics Processor: Nvidia RTX 4090 24GB GDDR6, System Memory: 64GB High Performance DDR5 SDRAM 5600MHz, Operating System: Windows 11 Home Edition, Motherboard: Gigabyte Z790 Aorus Elite AX, LGA 1700, CPU Cooling: Corsair H100i Elite 240mm Liquid Cooling, RGB and LCD Display, Chassis Fans: Corsair Low Decibel, Addressable RGB Fans, Power Supply: Corsair HX1000i Fully Modular Ultra-Low-Noise Platinum ATX 1000 Watt, Primary Storage: 2TB Samsung Gen 4 NVMe SSD, Secondary Storage: 1TB Samsung Gen 4 NVMe SSD, VR Headset: Meta Quest 2, Primary Display: SONY 4K Bravia 75-inch, 2nd Display: SONY 4K Bravia 43-inch, 3rd Display: Vizio 28-inch, 1920x1080. Controller: Xbox Controller attached to PC via USB.
December 25, 20232 yr As far as I'm aware this has been an issue for almost a year now. There are several threads in the MSFS forums were it is discussed. I believe it was broken with SU9 or S10 and has been logged as a bug but... still here we are. Merry Xmas.
December 25, 20232 yr DX12 doesn't work for me either. I tried a few days ago and nothing got rid of the screen tearing. My performance is fine, but it's a shame I can't seem to use FG to juice out more FPS in low performance areas with high traffic. - Chris Gigabyte Z790 Aorus Elite AX | Intel Core i9 13900KF | Gigabyte GeForce RTX 4090 24 GB | 64GB DDR5 SDRAM | Corsair H100i Elite 240mm Liquid Cooling | 1TB & 2TB Samsung Gen 4 SSD | 1000 Watt Gold PSU | Windows 11 Pro | Thrustmaster Boeing Yoke | Thrustmaster TCA Captain X Airbus | Asus ROG 38" 4k IPS Monitor (PG38UQ) Asus Maximus VII Hero motherboard | Intel i7 4790k CPU | MSI GTX 970 4 GB video card | Corsair DDR3 2133 32GB SDRAM | Corsair H50 water cooler | Samsung 850 EVO 250GB SSD (2) | EVGA 1000 watt PSU - Retired
December 25, 20232 yr Author Part of my problem is that I use an older 4K TV @60Hz as my primary display. My computer can push way past 60fps, but that's when the screen tearing shows up because my TV can't keep up with the video card's output. Once I turned VSync on in the Nvidia panel (as opposed to inside MSFS), I can use FG but capped at 60fps by the Nvidia panel. I feel I get smoother performance with FG (but capped at 60fps) than I get without FG capped at 60fps. This may be my imagination. When you think about it, it's kind of funny. A very real problem in flight simming now is too many fps. 🙂 Processor: Intel i9-13900KF 5.8GHz 24-Core, Graphics Processor: Nvidia RTX 4090 24GB GDDR6, System Memory: 64GB High Performance DDR5 SDRAM 5600MHz, Operating System: Windows 11 Home Edition, Motherboard: Gigabyte Z790 Aorus Elite AX, LGA 1700, CPU Cooling: Corsair H100i Elite 240mm Liquid Cooling, RGB and LCD Display, Chassis Fans: Corsair Low Decibel, Addressable RGB Fans, Power Supply: Corsair HX1000i Fully Modular Ultra-Low-Noise Platinum ATX 1000 Watt, Primary Storage: 2TB Samsung Gen 4 NVMe SSD, Secondary Storage: 1TB Samsung Gen 4 NVMe SSD, VR Headset: Meta Quest 2, Primary Display: SONY 4K Bravia 75-inch, 2nd Display: SONY 4K Bravia 43-inch, 3rd Display: Vizio 28-inch, 1920x1080. Controller: Xbox Controller attached to PC via USB.
December 25, 20232 yr My monitor goes to 144, but I still see some tearing issues. Perhaps I haven't set things up correctly, but my performance is great in 99% of the flights I do, so I didn't feel like rebooting 800 times to fix it. - Chris Gigabyte Z790 Aorus Elite AX | Intel Core i9 13900KF | Gigabyte GeForce RTX 4090 24 GB | 64GB DDR5 SDRAM | Corsair H100i Elite 240mm Liquid Cooling | 1TB & 2TB Samsung Gen 4 SSD | 1000 Watt Gold PSU | Windows 11 Pro | Thrustmaster Boeing Yoke | Thrustmaster TCA Captain X Airbus | Asus ROG 38" 4k IPS Monitor (PG38UQ) Asus Maximus VII Hero motherboard | Intel i7 4790k CPU | MSI GTX 970 4 GB video card | Corsair DDR3 2133 32GB SDRAM | Corsair H50 water cooler | Samsung 850 EVO 250GB SSD (2) | EVGA 1000 watt PSU - Retired
December 25, 20232 yr You havn't been able to use Frame Generation and V-SYNC since AAU1 if my memory is correct. It was working initially when FG was first introduced and then one of the "updates" broke it. There's a thread on the issue here: https://forums.flightsimulator.com/t/regression-dlss3-frame-generation-with-vsync-broken-in-1-30-9-with-fixed-refresh-rate-monitor/568809/96 Its logged as a bug but since not that many people have voted for it I doubt its going to get any love. Kael Oswald 9950X3D/ 64GB DDR5 6200 @ CL30 / Custom Water Loop / RTX 5090 / 3 x 48" LG C4 OLEDs
December 25, 20232 yr No problems using vsync in MSFS here, but that's with a 3090 so perhaps vsync just doesnt work properly when combined with FG. The FSR3 mod also doesnt seem to work with the built-in vsync. I have a 100hz screen but was using vsync at 50% without issues. Flightsim rig: CPU: AMD 5900x | Mobo: MSI X570 MEG Unify | RAM: 32GB G.Skill Trident Z Neo | GPU: Gigabyte RTX 3090 | Storage: M.2 (2 & 4 TB) | PSU: Corsair RM850x | Case: Fractal Define 7 XL Display: Acer Predator x34 3440x1440 | Speakers: Logitech Z906 Controllers: Fulcrum One Yoke | MFG Crosswind v2 pedals | Honeycomb Bravo Quadrant |Thrustmaster TCA Quadrant | Stream Deck XL & Plus | TrackIR 5 Tobii eye tracking
December 25, 20232 yr I've only ever had it enabled within the Nvidia control panel and not within the game and never had a problem. SU14 hasn't made any difference. 9950X3D - X870E Aorus Master- TUF 5090 OC - 64GB DDR5 - 1500W HXi - Titan 360 RX LCD - 9100 Pro x 2 - LG 45GX950A - HOTAS Warthog with Ava Base
December 25, 20232 yr No problems here using FG and no tearing with Vsync ON in NVP and OFF in the sim. Monitor is 60 Hz and using an RTX3080Ti with driver version 546.33. Everything is really smooth. Lloyd Noel (Ontario, Canada) Intel i9 [email protected] / NZXT Kraken X73 AIO / MSI MPG Z590 Gaming+ / 64GB DDR4 3600 Corsair Vengeance LPX / Gigabyte RTX4080 Super Gaming OC / Dell S3422DWG Monitor / Corsair RM1000e 1KW PS / 1TB WD Black M.2 (Win 11 Pro) / 1TB Sabrent Rocket M.2 .(MSFS2020) / 512GB Sabrent Rocket M.2 (XP12) / 1TB TimeTec SATA (Misc. & FS Support)
December 25, 20232 yr 3 hours ago, stesma54 said: Same. VSync on in NCP and no fps limit super smooth. Gsync monitor 180 Hz. Why do you use V-Sync if you have a G-Sync monitor? System: I ASRock X670E | AMD 7800X3D | 64Gb DDR5 6000 | RTX 4090 | 2TB NVMe | Seasonic Vertex 1000W I LG Ultra Gear 34 UW I
December 25, 20232 yr 5 hours ago, Noell said: No problems here using FG and no tearing with Vsync ON in NVP and OFF in the sim. Monitor is 60 Hz and using an RTX3080Ti with driver version 546.33. Everything is really smooth. My exact setup except with the .31 driver. Same experience. Smooth as can be.
December 25, 20232 yr 20 hours ago, David Mills said: Has anyone else observed VSync not working lately in DX12? I'd observed some screen tearing recently, and I tried turning VSync ON in the Nvidia Control Panel instead of inside MSFS itself. To my delight, the screen tearing suddenly disappeared completely. Previously, I just turned VSync on inside MSFS and it worked fine -- until lately. Anyone else? I’ve always used vsync via NCP and not MSFS so it always works for me. Eric
December 26, 20232 yr I fixed my tearing with FG by locking the FPS to 3 FPS below the refresh rate. Follow me on : Instagram See my Trailer: A Year Of Flight
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