Serious Sam 3 Cannot Set Display Mode May 2026

%USERPROFILE%\Documents\My Games\Serious Sam 3\ (Paste this path into Windows File Explorer’s address bar.)

Open the file with Notepad. Look for these lines under the [Display] section: serious sam 3 cannot set display mode

RefreshRate = 60 If you have a high-refresh-rate monitor, use its actual supported rate (e.g., 144). Also ensure Monitor is set to 0 (default) or the correct index. On laptops with both integrated Intel graphics and a dedicated NVIDIA/AMD GPU, Serious Sam 3 may default to the weaker Intel GPU, causing mode-setting failures. use its actual supported rate (e.g.