Serious Sam 3 Cannot: Set Display Mode

Many modern systems are missing the specific DirectX 9 files this game relies on. Run the Installer : Go to your game folder and look for a folder, then run DXSETUP.exe as an administrator Steam Community Alternative : Download the DirectX End-User Runtime Web Installer from Microsoft to catch missing 4. Modern Fixes (DXVK & dgVoodoo2)

: Sometimes, the game attempts to boot into a resolution or refresh rate that the monitor does not support, leading to a fatal crash before the main menu loads. Proven Solutions serious sam 3 cannot set display mode