Nvidia Setup

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First with Nvidia you need to create a game specific profile for Game Stock Car Extreme in the Nvidia Control Panel. Go to Manage 3D Settings, and then Program Settings. Click Add and find Game Stock Car. If it doesn't appear in the list then browse to it manually. It will be in \SteamApps\common\Stock Car Extreme\If you are running a laptop you want to force it to use your High Performance NVIDIA processor. So set it up to do that by selecting from the drop down. Press Apply and close the Nvidia Control Panel for now. We are going to setup the AA using Nvidia Inspector as explained below.It is recommended to set Anti Aliasing to none as we are going to completely over-ride the setting later.If you are running graphics switching on your laptop and it shows Intel HD Graphics, then don't worry. We have over-ruled this in the control panel above. The video drop down will just chose which display it runs on if you have more than one available.We want to have full control over the AA settings and to do this we use a third party app called Nvidia Inspector. Download that here From the drop down arrow next to the house icon, select the Game Stock Car profile which should be present. This section lists all the profiles you presently have setup in Nvidia Control Panel.In NVidia Inspector use AA 4xS, 8xS, 12xS, 16xS, or 32xS. (32xS is probably too much, especially on triple screens, probably same with 16xS, but it doesn't hurt to try) The LOD bias clamp thing hasent worked for a couple years now as Nvidia has disabled it (unless, I think, you have a real old card like a GTX 280 and/or real old drivers) that's where these "xS" settings come into play as they have their own different LOD bias than other AA settings.You will get tons of jaggies and shimmering no matter what settings you use in rFactor 1 based sims (and pre-rF1, eg. GT Legends) unless you use the "xS" AA settings in Nvidia Inspector, or possibly the method below.The combination of Multisampling AA + Sparse Grid Supersampling (make sure they are both set to identical amounts, eg. 2x MS + 2x SGSS, or 4x MS + 4x SGSS, or it won't work properly, they need to be the same amounts) is another option but it doesn't have the different LOD bias that the "xS" settings have, but you may still get good results, especially with 4x MS + 4X SGSS.We recommend that you start with low settings with your AA setup and increase them as performance allows.P.S. Make sure you have the AA in Nvidia Inspector set to Override application settings or none of these settings will be actually used and you'll be left with no AA (since the GSC config.exe should be set to no AA), and that you press APPLY before leaving Nvidia Inspector.