Ok, I will do it. Just to be more precise, QjackCtl only works after I run jackd from terminal and after run a software, I'm using ardour, if I run QjackCtl before open ardour it fails and send me the usual failure message. <div class="gmail_quote">On 30 Mar 2016 5:36 p.m., "Kaj Ailomaa" <<a href="mailto:zequence@mousike.me">zequence@mousike.me</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Wed, Mar 30, 2016, at 04:33 PM, Kaj Ailomaa wrote: > On Wed, Mar 30, 2016, at 04:10 PM, Joao Bruno wrote: > > In this case I put default, but I also did it with the both devices that > > appears, hw:0 or plughw:0, doesn't work as well. At this moment I started > > jackd by the terminal and after opened the QjackCtl and looks like is > > working correctly, with the settings as default. > > > > Thank you, it was by your advice that jackd was working by terminal that > > I > > did this way, at least is working, not by the regular way but is > > working. > > > > Thank you very much, JB > > > default means hw:0. Better to choose the correct device in "Interface", > rather than default. Why? Because each time you boot your computer, the > device may be in a different order. > > Again, under "Interface", select the correct device, the start jack. btw, there are two buttons next to "Interface". Confusing, I know. It is the one to the right you should use, no the one to the left. -- ubuntu-studio-users mailing list <a href="mailto:ubuntu-studio-users@lists.ubuntu.com">ubuntu-studio-users@lists.ubuntu.com</a> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users" rel="noreferrer" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users</a> </blockquote></div>