I have a HP Pavilion zv5000t laptop. For whatever reason, I cannot get any sound to come from the unit. I’ve tried System Restore, uninstalling/reinstalling the driver, updating the system BIOS (already updated to latest version), updating the driver (already updated to latest version), turning on the Audio Service via Windows XP Pro, but nothing’s worked. I’ve stopped short of reinstalling Windows since it recognizes that drivers are installed. Could the card be burned out or loose? And no, the laptop IS NOT on mute. >_<;; Is there any way to find out or fix it myself? Any help would be greatly appreciated. Thanks!