direct3d function is not available

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Solution steps for direct3d function unavailability: 1. Update the graphics card driver; 2. Check the DirectX version; 3. Reinstall Direct3D; 4. Check hardware compatibility; 5. Check application settings; 6. Check for conflicts in the system; 7. Run Windows Update; 8. Consider hardware issues. If you want to know more about direct3d, you can read the articles below this topic.