In addition to physically installing a sound card onto the motherboard of your computer, there are times when you need to check that the card is installed and working correctly within Windows itself. An incorrectly installed or outdated driver can cause problems even if the card is physically installed correctly. Locating your card within Windows takes but a few moments. The sound card, as with other hardware devices, is accessed via the Device Manager. Writer Bio

How to Find the Sound Card in Windows XP - 13