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Dolby Home Theater v4 User Interface for Windows 7 (32-bit, 64-bit) - ThinkPad T420s, T420si, X1

Operating System
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Dolby Home Theater v4 User Interface
25.78 MB
Windows 7 (32-bit)
Windows 7 (64-bit)
README for Dolby Home Theater v4 User Interface

5.3 KB
Windows 7 (32-bit)
Windows 7 (64-bit)

This package installs the software (User interface for Dolby Home Theater v4) to easily access and see the Dolby Home Theater v4 feature.
Refer to marketing materials to find out what computer models support which devices.

- If this package has been installed, updating (overwrite-installing) this package will fix problems, add new functions, or expand functions as noted below.
- This program is language independent and can be used with any language system.

Supported System
Supported Operating Systems
Summary of Changes
Installation instructions
Manual install
Unattended install
Determining which version is installed


Supported System

Supported ThinkPad system:

  • T420s
  • T420si
  • X1, X1 Hybrid (*1)

*1: Supports Windows 7 64-bit only.

Supported Operating Systems
  • Microsoft Windows 7 32-bit, 64-bit

    Refer to marketing materials to find out what computer models support which Operating Systems.
Summary of Changes


  • < > Package version number
  • ( ) Build ID for administrative purpose
  • [Important] Important update
  • (New) New function or enhancement
  • (Fix) Correction to existing function

Version 7.2.7000.4

  • (New) Added support for ThinkPad X1 Hybrid for Windows 7 64-bit.
  • [Important] Removed unnecessary files from the installer package.
  • (New) Added support for ThinkPad X1.
  • (New) Initial release for ThinkPad T420s,T420si.



Conexant Audio Software version (8AAD05WW) or higher should be installed before installation.


Installation Instructions

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 Save.
  4. Choose the folder you would like to download the file to and click Save. 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 administrative account.
  2. Locate the directory 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.


Unattended 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 click Finish to cancel installation.
  3. At the command line, execute DHT.msi with the /quiet option.
    Example: [Path where the files were extracted]\DHT.msi /quiet


Determining which version is installed
  1. Click Start, then click Control Panel.
  2. Make sure View by Category is selected, and click Uninstall a program.
  3. Click Organize, select Layout, then select Details Pane. The Details Pane will be shown at the bottom of screen.
  4. Select Dolby Home Theather v4.
  5. Check the product version in the Details Pane.

  • Alias ID: MIGR-77262, MIGR-77262-KR
  • Document ID:DS014007
  • Last Updated :23 Jun 2014
  • (c) 2014 Lenovo