I am not an expert in sound. I found that in System->Preference->Sound, you can display a mixer.
In this window, in Preference (in french, sorry), you can add channels. Do you have both the rear and front channels ? The procedure to analyze sound bug is described in : https://wiki.ubuntu.com/DebuggingSoundProblems -- Audio doesn't work from front panel https://bugs.launchpad.net/bugs/377170 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
