Add the following command line arguments in Steam / GOG:
Serious Sam 3 : Cannot Set Display Mode - Top Troubleshooting Guide (2026) serious sam 3 cannot set display mode top
Use the official NVIDIA or AMD support pages to grab the latest drivers for your card. Method 4: Use a Wrapper (DXVK or dgVoodoo2) Add the following command line arguments in Steam
The "Cannot set display mode" error in usually stems from missing DirectX 9.0c components, outdated GPU drivers, or a corrupt configuration file. 🛠️ Quick Fixes outdated GPU drivers
Set width/height to your monitor’s native resolution.
message, you aren’t alone. This usually happens when the game tries to launch at a resolution or fullscreen setting your monitor or drivers don't currently support. Here is how to get back into the action. 1. Manually Edit the Configuration File