After installing the Windows 7 x64 RC (and the Beta as well) on my computer, I immediately noticed that it did not automatically have audio enabled.  In fact, the speaker icon in the notification area only showed that I had digital audio.  That didn’t help me very much, since I’m using normal speakers (and of course want to use earphones also!).  I quickly checked Windows Update, but it didn’t have anything to offer.  So, I...