try alsamixer (from the command line) try turing all of the settings up and i don't know what exactly was wrong when i had a problem like this but i installed new kernel headers and rebooted, i don't know what fixed it but when it rebooted it was fixed <div class="gmail_quote">On Fri, Jan 27, 2012 at 11:20 PM, Thufir Hawat <<a href="mailto:hawat.thufir@gmail.com">hawat.thufir@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> I followed the Ubuntu sound guide and fiddled with settings endlessly. Result: now headphones work, but no sound from speakers. The background is that this box worked fine in June, but was powered off until Christmas, at which time I noted that sound was broken. Since then I've upgraded the OS to 11.04. After going through the Ubuntu sound page, I noticed that connecting/disconnecting the speakers then caused a bit of static, which I don't *think* it did before. Anyhow, now, headphones work. I'm 99% sure that the speakers themselves are fine. Assuming so, is there a setting or configuration? Since they use the same jack (don't they?) I don't see what difference it can possibly make. thanks, Thufir -- ubuntu-users mailing list <a href="mailto:ubuntu-users@lists.ubuntu.com">ubuntu-users@lists.ubuntu.com</a> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-users" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-users</a> </blockquote></div>