I've got the same problem. It worked fine in 9.10. Hasn't worked since I upgraded to 10.04. I do get very faint audio when the volume is increased to maximum through the amplifier.
Note: My PC is not a Dell Optiplex. It's self assembled. -- [Realtek ALC259] ALSA test tone not correctly played back https://bugs.launchpad.net/bugs/582199 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