With most computers, audio generally works without any configuration at all. Sometimes, you may run into a computer with a problematic sound card. When faced with sound issues, and you've already tried the obvious (turning up the volume), you should first check to see if your sound card has any compatibility issues. The following website lists audio hardware and whether or not they are compatible with Linux:

http://www.alsa-project.org/main/index.php/Matrix:Main

Keep note that the list in the preceding website is incomplete and may or may not include information regarding your sound card. If you aren't sure of the make and model of your sound card, the following command should point it out for you:

aplay -l

For the most part, integrated sound cards seem to work the best in Linux, and your author rarely ever experiences a problem with onboard sound. Third-party sound cards, which you can purchase in computer stores, may or may not support Linux, and it's important...