Codec + Mixer: Analog Devices AD1984B - Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 04) - sound output working via headphones but not via speakers on HP-Pavilion KT457AA-ABA IQ804 (TouchSmart) in Ubuntu 11.04
Installed Ubuntu 11.04 on HP IQ804 from Windows &. The headphone-jack works but the speakers do not work at all (no sound is coming out). Speakers were working with Windows 7. Played videos from Youtube and played a game of solitaire. No sound from each.