I've put the Windows 7 beta on my Dell XPS M1330 laptop, everything is going fine apart from one oddity. No sound via the built-in speakers, but when using the front jacks I get sound.<BR><BR>The only ...

You’re in the middle of a video conference, everyone is waiting, but your microphone isn’t working? Or you can be heard, but all the other participants remain mute? Welcome to the club of Windows ...