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Screen flickering crash / Flashing lights crash FIX


TheSeether
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Okay I just did a ****ton of trouble shooting to fix the whole screen flickering/ blinking lights then crash problem.

If you want the quick and dirty:

Mainly for crashing ----> If you play Tarkov with "vsync" on in the game to "uncap" your fps and recude input lag, limit your FPS in Nvidia control panel starting at 110, then slowly raising it 5 FPS a game until you start crashing, then back it down 5. Set this limit for Tarkov specifically using the "Program settings" tab, not the global settings tab. Unity has drastic spikes in GPU usage above 120FPS, especially when rendering foliage textures at close range. If you are still crashing just uncheck "vsync" in Tarkov settings, this reduces GPU usage a good chunk. 

If that doesn't work or you don't play with "vsync" on, Adjust your resolution down a little to take a load off your GPU, especially if you have an older GPU (pascal and prior). Run an offline raid with scav spawns on high on a couple maps and play around with your resolution and other settings to try to keep your GPU under 60C if possible. Playing with your fan curve on GPU controlling software can help ALOT with temperature.

Mainly for the blinking lights issue ---> Re-install windows. I found out that opting in for "optional" security updates or windows updates and installing them as soon as they are available can mess with you C++ and visual studio packages and make Tarkov freak out. I reinstalled windows and this issue never happened again. This happened near instantly to me after installing an optional update after having 5+ months of no Tarkov issues whatsoever. If you have a slow internet connection or don't want to reset your computer, I would suggest downloading the C++ Packages mentioned in the second thread listed above and see if that works first. This is annoying and harder to pinpoint but for future reference don't install any optional updates, and dont pre-install any upcoming windows updates.

 

For a more in depth explanation:

Unity has this weird way of rendering bush and foliage textures in different levels, most games have some kind of iteration of this. For example if you look at a bush super far away in Tarkov it straight up wont render or it will look like a blob, and as you get slightly closer it renders in a slightly better looking somewhat like a bush. Now when you are 50 meters or closer you get full foliage effect around the bush and it looks like a real game not a claymation. However as you get right next to it you can now see the individual structures of the bush or foliage. At this stage of rendering, when you are past 120 FPS the GPU hit is 15-30% higher than if you are refreshing at 120 or lower. This causes a pretty good spike in GPU usage, and before your fan curve can catch up your gpu started pulling power of clock speeds to combat the temperature spike and boom tarkov stuttered or crashed. I don't know why this is, but its real trust me. If you are having these crashes and they happen when you are walking straight into a bush this is why. Maybe that's why they have the in game limit of 120 FPS, keep in mind unity was designed originally for BROWSER games. Buildings and other things in tarkov only have 2 different rendering/texture states, thats probably why Factory and Labs play the best for most people. I can understand why because bushes/foliage you can shoot through, buildings or other structures you cant so it would be unfair not to render these things at long distances and have you wasting ammo.

Unity does not like it when a GPU begins backing down boost clock speeds as temperature rises. I'm not talking about thermal throttling at 75+ C, I'm talking about when you hit 60 C or even 55 C and your gpu starts to pull 10 or so MHz off your clock speeds to combat the rising temperature, this is GPU boost 3.0 at work. All GPU's do it at different temperatures, and it will happen faster and more drastically if you have an overclocked GPU. When your playing Tarkov and you have that split second stutter, this is when your GPU just downclocked or pulled power. I don't know why unity dislikes it so much compared to other games. The more taxed your GPU is the longer and greater this stutter will be, sometimes causing Tarkov to straight up crash sometimes. Hence why the older your GPU, the cooler you will need to keep it. If you have a 2080ti or better/newer you wont have this issue as much because 1. Its not being taxed as much, 2. GPU boost on the 2000 series and newer doesn't kick in until 65-ish C. On 1000 series and 900 series cards you card will begin to pull power and clocks as low as 55C. You cant test when this happens on your card using the Furmark stress test. 

Hope this helps you guys have a better Tarkov experience. As a good baseline I would watch Veritas's settings video, as well as Vox_E's to help you fine tune your settings and get as high FPS and stability as possible. Those two videos helped me ALOT in fine tuning Tarkov. Play around with the "luma sharpen" and "adaptive sharpen" in your "postfx" settings, these two can effect you FPS a decent chunk as well as they function a bit like antialiasing. 

Happy raiding fellas.

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  • 5 months later...

Do you think this has to do anything with a gpu failing? I have a 2070 super, and just had this flickering lights glitch on reserve, which resulted in a unity crash. Downloaded the CC+ pack on the second thread you mentioned, restarted my pc and it seemed to fixed it. Further stress tested my gpu on 3dmark then furmark and at last on tarkov and there seems to be no reoccurring problem. I had no problem on other games before and my temps are normal :/

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