Matt, open an MP3 file with Windows Media Player and see if one of the randomizations start, or if you get an error message. If you see a randomization you know the card is recognized and drivers are installed. You could pull the card and look for a cold solder on the output jack if you're feeling handy. You could also try plugging in a mic and test if that works in an audio recording program.
Here's a visual guide to some of the steps you can double check in Vista.
A forum community dedicated to tech experts and enthusiasts. Come join the discussion about articles, computer security, Mac, Microsoft, Linux, hardware, networking, gaming, reviews, accessories, and more!