Go to your Steam Library, right-click , and select Properties . Navigate to Installed Files > Browse .
If the Configuration Tool crashes or refuses to save, you can force the settings by editing the local files. Press Win + R , type %localappdata% , and hit Enter. Open the folder, then the Sonic Generations folder. Right-click GraphicsConfig.cfg and open it with Notepad .
Remember to re-enable your integrated graphics after you finish the setup, as disabling it permanently can cause issues with your display or battery life. Summary Table: Quick Fix Checklist Possible Cause Recommended Action Wrong GPU Selected
Set SonicGenerations.exe to "High Performance" in GPU Control Panel. Run ConfigurationTool.exe as Administrator and click Save. Resolution Mismatch
Look for the line starting with Monitor . If you see "Integrated" or "Intel" there, change the device name to match your dedicated GPU (you can find the exact string name in your Device Manager). Save the file and try launching the game. 4. Compatibility Mode & Admin Rights
If the game absolutely refuses to see your dedicated card, you can temporarily disable the integrated one. Right-click the Start button and select . Expand Display adapters .