7.1 surround sound and THX spatial audio drivers are missing after being uninstalled and reinstalled

Updated: 05-May-2025 | Answer ID: 5899
This is a guide on how to troubleshoot 7.1 surround sound and THX spatial audio driver missing even after uninstalling and reinstalling the software.
7.1 Surround Sound and THX drivers are missing after they’re uninstalled and reinstalled. To resolve this, you can manually re-install the driver. Follow these steps to manually re-install the appropriate driver.
 

Step-by-step process:

  1. Open Device Manager.

  2. Select "Sound, Video and game controllers" tab.

    Select Sound, Video and game controller

  3. Click "Action".

    Click Action

  4. Click "Add legacy hardware". This will open the Add Hardware wizard.

    Click Add legacy hardware

  5. Click Next.

    Click Next

  6. Select "Install the hardware that I manually select from a list (Advanced)" and then click Next.

    Select Install the hardware that I manually select from a list (Advanced) and then click Next

  7. Search and select "Sound, video and game controllers". Click Next.

    Search and select Sound, video and game controllers

  8. Search for Razer under the manufacturer list.

  9. Select 7.1 Surround Sound or THX spatial. Click Next.

    Search for Razer under the manufacturer list and select 7.1 Surround Sound or THX spatial

  10. Click Next to install the driver.

    Click Next to install the driver

  11. Restart the computer after the installation process has been completed.

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