Problems on the sounds of computers are typically due to a number of causes. There are several ways for diagnosing and resolving the loss of sound on a computer system. There are a number of methods for resolving sound issues on computers.
Performing System Restore is required when the sound from the speakers of the computer is audible and is suddenly lost. This is done by clicking on the 'Start' button and then the 'All Programs' button. Thereafter, click on the 'Accessories' button, 'System tools' and then 'System Restore'. Lastly, users would have to finish the System Restore Wizard. If this does not work again, the problem may be due to something else.
Begin the process of deletion and re-installation by clicking on the 'Start' button, then the 'Control Panel' and 'System'. What follows is the 'Hardware', the 'Device Manager' and lastly, the 'Sound', 'Video' and 'Game Controllers'. Click on the sound device displayed on the Device Manager and then delete using the 'Delete' key of the keyboard. When prompted whether or not to continue with the deletion, click 'OK'. Uninstall all the sound devices listed in this manner except the Legacy Audio Drivers and the Audio Codec.