First off I use windows XP with the latest service pack. And I'm using the onboard sound card on my motherboard (Asus striker II extreme).
I've been having a problem with the volume of my flash player (I first noticed it when trying to view a video on Hulu) but other flash embedded videos won't play sound either. I thought this was a flash problem, and tried the usual fixes (uninstalling/reinstalling, running the update utility and removing and reinstalling the plugin). Also it likely isn't a browser issue as embedded videos didn't play on either Firefox or Opera.
After restarting my computer after a few uninstalls I noticed my startup music wasn't playing as well. I'm thinking that it might be some registry error as it seems like the music is very quiet instead of muted, and all of the volume levels in the Sounds and Audio Device Properties menu are at the correct levels, and my other media players play music and movies just fine.
I've browsed the forums and haven't seen anyone with a similar problem or a fix, so any help would be greatly apprciated.