Serious Sam 3 "Cannot Set Display Mode" Error If you’re trying to jump into Serious Sam 3: BFE but keep getting hit with a "Fatal Error: Cannot set display mode"
: Right-click the game executable in your Bin folder and select Run as Administrator . ⚙️ Edit Configuration Files serious sam 3 cannot set display mode top
Save the file ( Ctrl + S ) and close Notepad. Serious Sam 3 "Cannot Set Display Mode" Error