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Conexant CX20751 Audio Driver for Windows 7 (32-bit) - ThinkPad Yoga

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Conexant CX20751 Audio Driver
70.5 MB
Windows 7 (32-bit)
README for Conexant CX20751 Audio Driver

6.2 KB
Windows 7 (32-bit)

This package installs the software (Audio driver) to enable the following device.

  • Conexant SmartAudio HD
Supported ThinkPad systems
Supported Operating System
Summary of changes
Installation Instructions
Uninstallation Instructions
Determining which version is installed


Supported ThinkPad Systems
  • ThinkPad Yoga
Supported Operating Systems
  • Microsoft Windows 7  32-bit
Summary of Changes


  • < > Version numbers
  • [Important] Important update
  • (New) New function or enhancement
  • (Fix) Correction to existing function


  • (New) Initial release for ThinkPad S1 Yoga,Yoga.
Installation Instructions


  • If your computer runs satisfactorily now, it may not be necessary to update the software. To determine if you should update the software, refer to the Version Information section.
Manual Install

This section assumes to use Internet Explorer and Windows Explorer.

[Downloading file]

  1. Click once on the underlined file name. Once this is done, some pop-up windows will appear.
  2. Follow the instructions on the screen.
  3. In the window to choose Run or Save, click the Save button.
  4. Choose the folder you would like to download the file to and click the Save button. A different window will appear and the download will begin and complete. Once the download has completed, there may or may not be a message stating that the download completed successfully.

[Extracting file]

  1. Make sure to be logged on with an administrator account.
  2. Locate the folder where the file was downloaded.
  3. Locate the file that was downloaded and double-click it.
  4. Follow the instructions on the screen.
  5. In the Select Destination Location window, click Next. If you would like to select a different folder, click Browse.
  6. In the Ready to Install window, click Install. All the necessary files will be extracted to the folder selected in the step 9.

[Installing files]

  1. Make sure the checkbox next to "Install ..... now" is checked and click Finish.
  2. Follow the instructions on the screen to complete installation and restart the computer.

Finally delete the file saved in Step 4.

Silent install

This is for system administrators' use only.

  1. Refer to the Manual Install section, and download and extract the file.
  2. In the step 11 of the Installing files section, uncheck the checkbox next to "Install ..... now", and then select Finish to cancel installation.
  3. At the command line, execute Setup.exe with the -s option.
    Example: [Path where the files were extracted]\Setup -s
Uninstallation instructions
Manual Uninstall


    • If winlogon.exe error or any problem occurs after uninstalling the software,re-install any version of the software for problem solving.
    1. Start Windows and logon with an administrator account.
    2. Select Start, then select Control Panel.
    3. Make sure "View by Category" is selected, and select Uninstall a program.
    4. Select Conexant HD Audio, and select Uninstall or Uninstall/Change.
    5. Follow the instructions on the screen to complete uninstallation and restart the computer.
      Determining which version is installed
      1. Select Start.
      2. Right-click/Press and hold Computer, and then select Properties.
      3. At the left pane, select Device Manager.
      4. Double-click/Double-tap the Sound, video and game controllers category.
      5. Double-click/Double-tap Conexant SmartAudio HD.
      6. Select the Driver tab.
      7. Check Driver Version.

      • Alias ID:
      • Document ID:DS041570
      • Last Updated :23 Jun 2014
      • (c) 2015 Lenovo