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      Configuration notes to enable the internal speaker on the system board - ThinkStation D20 (4158-29U)

      To enable the internal speaker on the system board, do the following:

      1. Replace the contents of the file /etc/modprobe.d/sound with the following:

        options snd-hda-intel model=6stack-dig enable=1 index=0
        # u1Nb.5PT4yR0tZ43:ICH10 HD Audio Controller
        alias snd-card-0 snd-hda-intel

      2. Save the file.
      3. Restart the compute. The internal speaker will be enabled.

      For ThinkStation S20 4105-38x and ThinkStation D20 4158-29x systems, you can also do the following to configure your system to enable the internal speaker on the system board:

      1. Download the script file SetAudio.sh from here to your computer.
      2. Open a terminal and navigate to the directory where you have saved the script file.
      3. Make sure the script file is executable by typing the following in the terminal: chmod +x SetAudio.sh
      4. Run the script file by typing the following in the terminal: ./SetAudio.sh
      5. Read the system output carefully and follow the instructions on the screen.

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      • Alias ID: MIGR-73886
      • Document ID: HT004319
      • Last Updated :17 Jun 2014
      • © 2016 Lenovo