Upgrade your PC to 7.1 sound - How to install a 7.1 sound card

The latest DVDs and PC games back up their amazing visuals with all-encompassing 7.1 surround sound. Want to get an earful? We'll show you how to replace your PC's antique sound card with a 7.1-enabled version, and we also have tips on how to set up your new 7.1 speaker set.
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