Well, if it's overheating at less than 50 fps there is something severely wrong , maybe a broken fan or old thermal paste in the GPU?
One more thing to try; edit that pdx_settings.txt and change this line as follows:
One more thing to try; edit that pdx_settings.txt and change this line as follows:
"renderer"={That is case sensitive, so exactly like that please. Does that make any difference?
version=0
value="OpenGL"
}