Rebooted and checked the BIOS. Couldn't find something specifically related to the options AC97 or :hda, but took a screenshot of the peripheral devices screen (shows "Legacy Front Panel Audio -> <enabled>":
http://ubuntuone.com/3y5DR6FKZdWS3WKU1GgQ73
Rebooted and checked the BIOS. Couldn't find something specifically related to the options AC97 or :hda, but took a screenshot of the peripheral devices screen (shows "Legacy Front Panel Audio -> <enabled>":
http:// ubuntuone. com/3y5DR6FKZdW S3WKU1GgQ73