Change the preferred graphics processor setting to . For AMD Users: Open AMD Software: Adrenalin Edition . Go to Gaming -> Games and add Lumion if it is not visible.
: Using Remote Desktop or having the Windows Lock Screen active can prevent the D3D9 device from being created. Integrated vs. Dedicated GPU
Right-click your desktop and open (or Adrenalin Edition). Go to Gaming > Games and add Lumion if it isn't listed. lumion failed to create dummy d3d9
Follow these troubleshooting steps in order to resolve the issue and restore your rendering workflow. 1. Perform a Clean GPU Driver Reinstallation (DDU Method)
Run DDU, select your GPU type (NVIDIA or AMD), and click . Change the preferred graphics processor setting to
Install all critical and optional cumulative updates, then restart your PC. Preventing Future Errors
Sometimes local system security policies block applications from initializing background system probes. Right-click the on your desktop. Select Properties . Navigate to the Compatibility tab. Check the box next to Run this program as an administrator . Click Apply , then OK . Summary Checklist Clean Driver Install Eliminates old, buggy graphics driver files. GPU Optimization Forces Lumion to run on the powerful dedicated card. DirectX Legacy Update Restores missing background 3D components. Turn Off Overlays : Using Remote Desktop or having the Windows
Check the box that says . This wipes out older, corrupt configurations before applying the new ones.
This comprehensive guide covers the root causes of this error and provides step-by-step solutions to get your Lumion project back on track. What Does "Failed to Create Dummy D3D9" Mean?
Since the error refers to D3D9 (Direct3D 9), your DirectX installation might be missing components.
Boot your PC into , run DDU, and select "Clean and restart" to completely wipe the old graphics driver.