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  1. How to set up a 3 screen display using nVidia GTX graphic cards First you will need 3 monitors set at the same resolution. It is recommended, but not required, to have three monitors of the same make/model, though screens that are the same size will work. It is NOT recommended to have three different sized ... Read More
  2. What ports does iRacing use? The sim uses only UDP traffic, so if the others using your Internet connection are using mostly TCP, and you can give priority to UDP traffic, that would be an easy first step. There are two ends to each communication: the local end (your computer... Read More
  3. How to fix the Loading Error 66 This is being caused by a third party telemetry product.   See below for instructions   As per the Release Notes:   Security   Unverifiable third party replacements of system DLLs (including D3D9.DLL and DINPUT8.DLL) utilized by ... Read More
  4. How to get a Crash Report to submit to iRacing How to submit a crash report Crash reports can be invaluable for improving the sim. For a crash report to be useful, we need three pieces of information: The date the crash occurred A brief description of what happene... Read More
  5. My car’s engine is very quiet or very loud, can this be adjusted? Different sound cards play positioned sounds at different volumes, making it difficult to properly balance your car's engine & wind (played as multi-channel sounds) with other simulation sounds (played as 3d positioned sounds).   The ... Read More