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      Broadcom BCM43142 Wireless LAN Driver (802.11b/g/n) for Windows 7 (32-bit, 64-bit) - Notebook

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      Operating System
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      Broadcom BCM43142 Wireless LAN Driver (802.11b/g/n)
      10.6 MB
      Windows 7 (32-bit)
      Windows 7 (64-bit)
      README for Broadcom BCM43142 Wireless LAN Driver (802.11b/g/n)
      7.5 KB
      Windows 7 (32-bit)
      Windows 7 (64-bit)

      This package installs the software (Wireless LAN driver and utility) to enable the following device.

      • 1x1 11b/g/n Wireless LAN PCI Express Half Mini Card Adapter


      • 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 Systems
      Supported Operating Systems
      Summary of Changes
      Installation Instructions
      Uninstallation Instructions
      Determining which version is installed


      Supported Systems
      • Lenovo B430
      • ThinkPad Edge E430, E435
      • ThinkPad Edge E530, E535
      Supported Operating Systems
      • Microsoft Windows 7 SP1 32-bit, 64-bit
      Summary of Changes


      • [Important] Important update
      • (New) New function or enhancement
      • (Fix) Correction to existing function


      • (New) Initial release for BCM43142 for Windows 7 32-bit and 64-bit.

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


      If you use ThinkVantage Access Connections, the following software must be installed.

      • ThinkVantage Access Connections for Windows 7 version 5.80 or higher
      • ThinkPad Power Management Driver for Windows 7 version 1.60 or higher
      • Hotkey Features Integration for Windows 7 version 3.11.0001 or higher.

      Note: You may need to re-enter security information after updating the Wireless LAN driver.

      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 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 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.

      Silent Install

      Note: 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 -s option.
        Example: [Path where the files were extracted]\setup -s


      Uninstallation Instructions
      Manual Uninstall


      1. Start Windows and logon with an administrator account.
      2. Click Start, select Control Panel.
      3. Make sure View by Category is selected, and click Uninstall a program.
      4. Select Broadcom 802.11 Network Adapter, 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]

      1. Click Start.
      2. Right-click Computer, and then click Properties.
      3. At the left pane, click Device Manager.
      4. Double-click Network adapters
      5. Double-click 1x1 11b/g/n Wireless LAN PCI Express Half Mini Card Adapter
      6. Click the Driver tab.
      7. Check Driver Version.
      8. Click the Details tab,select the "Hardware ID".
      9. Check the DEV_xxxx .(4365)


      • Alias ID:
      • Document ID:DS033286
      • Last Updated :18 Jun 2014
      • © 2015 Lenovo