2021 | Serious Sam 3 Cannot Set Display Mode Top

// File Path Location for Steam Users: C:\Program Files (x86)\Steam\userdata\[Your_Unique_Steam_ID]\41070\local\SeriousSam3.ini

Try each one separately to see if it allows the game to start. The Direct3D11 option is experimental but can offer better performance on modern systems, though some users have reported instability.

SS3-DISP-2024-01 Software: Serious Sam 3: BFE (including Fusion Classic) Error Message: "Cannot set display mode" (sometimes followed by resolution or refresh rate details) Common User Description: "Game crashes on launch or alt-tab – cannot set display mode to top/selected resolution." serious sam 3 cannot set display mode top

If Serious Sam 3 attempts to load an unsupported resolution or an incorrect refresh rate, forcing windowed mode through Steam bypasses the issue completely.

Locate your Serious Sam 3 profile and explicitly configure it to use the discrete card under performance metrics. Solution 5: Upgrade to Serious Sam Fusion 2017 // File Path Location for Steam Users: C:\Program

Corrupted shader caches or driver profiles cause the D3DERR_INVALIDCALL error.

Locate the dxsetup.exe file inside that directory, right-click it, and select . Locate your Serious Sam 3 profile and explicitly

Navigate to the game’s persistent storage folder. This is not the installation directory.