i have sound problem on my computer HP Compaq dc7800 after install ubuntu 10.10. i have google it the problem and see more user have the same problem. But the problem still not solved. can someone help me.
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On Maverick and the last few releases I've been unable to get sound from the internal speaker on this model. As long as Analog Stereo Duplex is selected as the profile on the Hardware tab of Sound Preferences, sound is produced on the headphone and line out sockets.
On an earlier release (Jaunty, or possibly earlier still, I don't remember which) the problem was fixed by changing an option in one of the sound preference interfaces relating to the "switch" which detects if headphones are attached. This option disappeared.
There are a few suggestions elsewhere including this page, but I've not had any luck with them: https://help.ubuntu.com/community/HdaIntelSoundHowto
From misterben
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