This video explains how to diagnose and fix issues involving having no sound on your computer. How to figure out if you have on board sound or a sound board is shown based on how the audio plugs are positioned on the back of the computer. The narrator explains the importance of checking your speakers using an iPod to make sure the speakers are in working condition. The next trouble shooting technique shown is to go into control panel/device manager. Using device manager make sure your audio drivers are installed or use your computers drivers disk to install the drivers.