Jaxgol

Hi Siamak,

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There are several causes of Code 39 errors:

• A required device driver is missing.
• A required binary file is corrupted.
• There is a problem with the file I/O process.
• A driver that is referencing an entry point in another binary file is unable to load.

1. What is the Make and Model of the computer?
2. Did you make any changes to the audio driver by installing any other software or updates on the computer?

I would suggest you to refer to the manufacturer website to download and install the latest NVidia audio driver for Windows 7. This might fix the issue. Follow the methods:

Method 1:

Refer to the manufacturer website to download and install the latest driver. If the latest updates at their website do match the versions that is current installed on the computer, you can uninstall and reinstall the audio driver to try and fix the issue. Follow the steps:

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• Click on Start menu and type device manager. Click on Device Manager.
• Locate the Sound, Video and game controllers icon and expand it.
• Right click on audio driver icon and select Uninstall.
• Follow the onscreen instructions to uninstall the current version of the driver.
• Open the download folder which contains the setup file of the latest driver that you have downloaded.
• Double click on the setup file and follow the onscreen instructions to install the driver.
  

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Check if the issue still persists. If yes, proceed to the next method.

Method 2:

If the issue has occurred recently, I would suggest you to restore the computer to a point prior to this issue. Refer to the link to perform a System Restore:

For reference, you can also follow the steps from the links:

Refer to the section “More information” and then the steps from section “Code 39”

No sound in Windows

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Please get back to us with the status of this issue.