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Shader Model 5 Rendering Artifacts

There are a series of white circles being rendered at the bottom of the screen both in the editor and during runtime.

**Click here to see video of issue**

This only occurs when rendering in shader model 5. I'm running the latest editor build (4.7.6) and my system specs are listed below:

CPU: Intel(R) Core(TM) i7-3770 CPU @3.40GHz Memory: 8.00 GB RAM (7.94 GB usable) Operating system: Microsoft Windows 7 Ultimate (via a BootCamp Partition on an Apple iMac 27" Late 2012) GPU: Nvidia GeForce GTX 680MX

GPU Engine Specs (Driver version 350.12): 1536CUDA Cores 720Processor Clock Tester(MHz) 92.2Texture Fill Rate (billion/sec) Memory Specs: 2500 MHzMemory Clock GDDR5Memory Interface 256-bitMemory Interface Width 160Memory Bandwidth (GB/sec) Feature Support: 4.5OpenGL 1.1OpenCL PCI Express 3.0Bus Support YesCertified for Windows 7 3D Vision, 3DTV Play, CUDA, DirectX 11, PhysX, SLI, TXAA, Adaptive VSync, FXAASupported Technologies 2-waySLI Options Yes3D Vision Ready 12 APIDirectX

Is this a known issue? Will uprgading to Windows 8 help or make any difference?

Product Version: Not Selected
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asked Apr 27 '15 at 12:07 PM in Rendering

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avatar image Lovecraft_K ♦♦ STAFF Apr 27 '15 at 07:08 PM

Hi Blackielox -

We have not had any reports of what your video is showing above. That being said, if you are only experiencing this problem in SM5 (DX11) then I would make sure that you update your Direct X or ensure that you are running the newest build of DX11. Also it looks like you are, but check your Nvidia driver as well and ensure that it is the most up to date WHQL version of the Driver and not in fact a Beta Driver.

Thank You

Eric Ketchum

avatar image blackielox Apr 27 '15 at 09:59 PM

According to the Microsoft site, the newest build of Direct X that can be installed on Windows 7 is 11.1 whereas 11.2 can be installed on Windows 8.1, Windows RT and Windows Server 2012 R2

I'll update to Windows 8.1 and let you know if it solves my issue. Also the Nvidia driver is the newest WHQL version (GeForce Game Ready Driver for Grand Theft Auto V).

Thanks for your help.

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1 answer: sort voted first

I updated to Windows 8.1 and the issue is now resolved.

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answered Apr 28 '15 at 02:32 PM

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