Skip to content
English
Contact us
  • There are no suggestions because the search field is empty.

CUDA and OptiX Error Troubleshooting

This Article will explore some possible troubleshooting steps for CUDA and Optix Error

OptiX Error 7990:

[Brief summary of the customer's issue they had experienced.]

[C] Optix error: 7990 (Internal error)
Device : NVIDIA GPU NAME
[C] Failed initializing OptiX driver

Environment Details

  • KeyShot |  Network Rendering | KeyShot Viewer

Cause

  • OptiX Error 7990: Failed to initialize Optix : the error 7900 is the generic OPTIX_ERROR_CUDA_ERROR. It is hard to tell the cause as it could be hardware or software.

Resolution

  • Update the driver to at least version 545.84
  • Please set KeyShot to High Performance in the Graphics settings (see below)
    • If Network Rendering is affected, set the KeyShot Network Worker Try to High Performance as well, located by default in C:\Program Files\KeyShot Network Rendering\bin

 

 

Set preferred GPU setting on Windows:

  1. Press the Windows + I shortcut to open the Settings app and click on Display.

  2. Under display settings, scroll down and click Graphics.

  3. Click on the Browse button and select the following depending on how KeyShot was installed


    Installed just for Me

    %localappdata%\KeyShot\bin\keyshot.exe


    Installed for everyone using this computer

    C:\Program Files\KeyShot\bin\keyshot.exe​


    Please use the appropriate version. KeyShot 2023 would have a folder name KeyShot12\bin\keyshot.exe.
    KeyShot 2024 and every version after that will be just KeyShot

    ​

  4. Click on the Options button and select "High Performance" from the Graphics specifications drop-down menu.

  5. Click on the Save button to apply the changes.

  6. Restart KeyShot

How to create a DxDiag log - Windows

  1. Press the Windows Key + R.

  2. Enter "DxDiag" and run the command.

  3. Press 'Save all information' and save the file in an easy-to-find location.

 

Additional Resources

  • [Hyperlinks to any supporting information for the KB such as other articles, PDFs, spec sheets, or other relevant to the KB. (Optional). Delete this title card if not being used.]