Updating sound card
Driver issue is the most common cause of sound card problems.Make sure you have the latest version of the driver.Media Player – See if the player is working correctly.If possible, use another media player and see if the result is the same.To access the device manager, simply click on Start, right-click on the My Computer icon, and then select Manage.On the computer management window, select Device Manager to see the list of the devices installed on the computer.We recommend that you save it to your desktop and initiate the free scan using the desktop icon.Should you choose not to save the application, you may simply initiate the free scan by clicking the "Run" button on the File Download Window.
If that is so, replacing the sound card or the motherboard will never resolve the issue.To reseat the sound card means to remove it from the system and put it back in.Before touching any internal device installed on the computer, make sure to avoid wearing static-inducing clothing and touch a grounded conductor (metals, etc.) to dissipate static electricity.Check your sound devices and see if they are properly selected.Also check the volume and make sure that the controls are not muted. Make sure it receives power and that its volume is not set to minimum.