Serious Sam 3 Cannot Set Display Mode 〈480p 2027〉

: You can try forcing resolution through Steam by right-clicking the game, selecting Properties , and adding -w [width] -h [height] -w 1920 -h 1080 Launch Options GPU Drivers

If deleting the file does not work, or if you prefer to keep your other settings, you can manually edit the file to match your monitor's resolution. serious sam 3 cannot set display mode