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Broadcom 43142 Bluetooth Driver for Windows 7 (32-bit, 64-bit) - Notebook

Operating System
Download Now
Broadcom 43142 Bluetooth driver
214 MB
Windows 7 (32-bit)
Windows 7 (64-bit)
README Broadcom 43142 Bluetooth driver
8.1 KB
Windows 7 (32-bit)
Windows 7 (64-bit)

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

Device name Device name in the Device Manager
BCM43142A0 Broadcom Bluetooth 4.0 USB


Supported Systems
Supported Operating Systems
Summary of Changes
Installation Instructions
Uninstallation Instructions
Determining which Version is Installed


Supported Systems
  • Lenovo B475e, B480, B490, B490s, B575e,  B580 ,B590
  • Lenovo E49
  • Lenovo M490, M490s, M495
  • Lenovo V480, V480c, V480s, V580, V580c
  • ThinkPad Edge E330, Edge E335
  • ThinkPad Edge L330
  • Zhaoyang K29, E49, K49, K4350
Supported Operating Systems
  • Microsoft Windows 7 (32-bit, 64-bit)
Summary of Changes


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

Version < Control Panel) / Device Manager)>

  • (Fix) Fixed a solid issue that driver Security Vulnerability.

Version < Control Panel) / Device Manager)>

  • <New> Added support for Lenovo B490s.
  • (Fix) Fixed a solid issue that is related to wrong information in Broadcom PIM user guide with HABE03WW.

Version < Control panel), Device manager)>

  • (New) Added support for Zhaoyang K4350.
  • (New) Added support for Lenovo M490s.
  • (New) Initial release for Microsoft Windows 7 32-bit, 64-bit.

Please refer to the README file under the "File details" section for a complete list of changes fixed by this driver update.

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 Determining which Version is Installed 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 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 privileges.
  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 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 click Finish to cancel installation.
  3. At the command line, execute Setup.exe with the /qn options.
    Example: [Path where the files were extracted]\setup /qn
Uninstallation Instructions
Manual Uninstall

[Windows 7]

  1. Start Windows and logon with an administrator account.
  2. Click Start, then click Control Panel.
  3. Make sure View by Category is selected, and click Uninstall a program.
  4. Select Lenovo Bluetooth with Enhanced Data Rate Software, and click Uninstall or Uninstall/Change.
  5. Follow the instructions on the screen to complete uninstallation and
    restart the computer.
Determining which Version is Installed

[Windows 7]

[In Control Panel]

  1. Click Start, then click Control Panel.
  2. Click Programs and select uninstall a program
  3. Click Programs and Features
  4. Check Lenovo Bluetooth with Enhanced Data Rate Software option, and can see the driver version

[In Device Manager]

  1. Click Start, Right-click my computer and select manage
  2. In Device manager, double-click Bluetooth Radios category
  3. In Device manager, double-click Braodcom Bluetooth 4.0 USB
  4. Click the Driver tab. Then you will see the driver version

  • Alias ID:
  • Document ID:DS033644
  • Last Updated :23 Jun 2014
  • © 2015 Lenovo