Lenovo ThinkPad USB 3.0 Ultra Dock User Manual page 41

To enable the built-in audio connectors on your notebook computer, do the following:
1. Right-click the Volume icon in the Windows notification area.
2. Select Sounds, and the Sound window is displayed.
3. Click the Playback tab to select a built-in audio device, and then click the Recording tab to select
another built-in audio device.
4. On the Playback tab, select a built-in audio device. On the Recording tab, select another built-in
audio device.
See "Manually setting the playback device and recording device" on page 30 for more information.
Notes:
1. To apply the new settings, restart the applications that are using the audio devices.
2. The settings you have adjusted will be saved until you change the settings next time.
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Chapter 2 ThinkPad USB 3.0 Pro Dock
37