BSOD error code “driver verifier dma violation” is encountered when a Razer Core X or Core X Chroma is connected to a PC

Updated: 29-Mar-2023 | Answer ID: 5870
This answer will show you how to fix BSOD error code "driver verifier dma violation" on a PC.

The Nvidia driver that is automatically installed for the eGPU via Windows Update might be a different version from the Nvidia driver version installed for the laptop’s internal GPU. This causes a driver conflict which triggers the BSOD on Windows 11 systems. This can be resolved by installing the same Nvidia driver version for both the laptop’s internal GPU (dGPU) and external GPU (eGPU) in the Core X / Core X Chroma.

The BSOD only happens in Win 11 OS. Generally, for scenarios where there are two Nvidia GPU cards (1 dgpu and 1 egpu), it is highly advised to have the same Driver version for both. Otherwise, symptoms could occur such as BSOD, freezing, or flickering.

Step-by-step process

  1. Disconnect the Razer Core X or Razer Core X Chroma from the PC.

  2. Download the latest Nvidia driver for your eGPU model on the PC.

  3. Disconnect the PC from the Internet.

  4. Open Device Manager on your PC.

  5. Under "View", click "Show hidden devices".

    Show hidden devices in Device Manager

  6. Expand “Display Adapters” and look for the model of the eGPU inside the Core X / Core X Chroma. The icon should look translucent.

  7. Right click on the eGPU model, select "Uninstall device".

  8. Ensure to check "Attempt to remove driver for this device".

    Uninstall device

  9. Click "Uninstall".

  10. Right click on the dGPU model, select "Uninstall device".

  11. Ensure to check "Attempt to remove driver for this device".

  12. Click "Uninstall".

  13. Go to “Action” under Device Manager and click on “Scan for hardware changes”.

    Scan for hardware changes in Device Manager

  14. Wait until “Microsoft Basic Display Adapter” appears under “Display Adapters”.

  15. Install the Nvidia driver downloaded in step 2 and proceed to complete the installation entirely.

  16. Connect the Razer Core X or Razer Core X Chroma to the PC through thunderbolt port.

  17. Go to “Action” under Device Manager and click on “Scan for hardware changes”.

  18. Wait until “Microsoft Basic Display Adapter” appears under “Display Adapters”.

  19. Install the eGPU driver using the same Nvidia driver installer in step 2.

  20. Restart the PC after the installation has been completed.

  21. Go to the Device Manager and check if both dGPU and eGPU have the same driver version to avoid triggering the BSOD.

  22. Connect to the internet again. There should be no BSOD anymore when connecting the Core X / Core X Chroma.

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