Okay, scratch this! It turns out that: 1) I had forgotten to turn the amplifier on for the 2nd system! 2) Despite what the manual says, these motherboards require jumpers to feed line-out to the rear socket 3) The 1st system was missing these jumpers, the 2nd had them.
I've attached photographs to my forum-post on this topic in case you need clarification. http://ubuntuforums.org/showthread.php?p=2649266 -- No Sound, nForce ALC650E https://bugs.launchpad.net/bugs/114435 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs