Dell Venue 11 Pro 5130 No Sound

I just updated to BIOS A05 in hopes of eliminating various watchdog violations and blue screen freezes at startup and now my Venue 11 is not outputting any sound. I verified all of my drivers are current, sound is not muted, and even tried the headphone jack. Nothing works. This is also from all sources - webpages, music player, iTunes, desktop, etc. Any suggestions?