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Beginning with PC-BSD® 9.1, a Sound Configuration icon is available which automatically determines which audio devices are available and provides a button to play a test sound. To access this utility, use Control Panel ➜ Sound Configuration or type pc-soundconfig.
An example of the Sound Configuration screen is shown in Figure 8.11a.
Figure 8.11a: Sound Configuration Utility
To determine which audio devices are available, click the drop-down menu. In the example shown in Figure 8.11b, this system has four available sound devices with the FreeBSD device names pcm0 to pcm3. The default device is the Conexant CX20590 on pcm2.
Figure 8.11b: Selecting the Audio Device
To change the default audio device, select the desired device from the drop-down menu and test that it works by clicking the "Test sound" button. To make the change permanent, click the "Apply" button.
If the desired device does not appear in the drop-down menu, it means that PC-BSD® did not recognize the device. These resources may help you to pinpoint the problem:
If you still have problems with sound, see the section on Finding Help to determine which help resources are available. When reporting your problem, include your version of PC-BSD® and the name of your sound card.