Originally Posted by
Panther
When was the last time you deleted all of the shaders? Also backup your config.lua file, it's the file that has all of your graphic settings, volume settings etc. After backing it up in a safe location, delete the one in the folder. Relaunch DCS, DO NOT adjust any settings besides your resolution, see what performance gains you may encounter. From there, start bringing back your previous values (reference your back up via Notepad++ if needed) recommended one at a time. If performance is gained with the settings back to the original file, congrats you likely had a corrupt config file.