Dan Youngquist wrote: > HP Probook 6475b, Debian 9 (stretch) (MX 17.1 actually), TDE 14.0.5. �The > volume buttons will move the onscreen indicator between 0% and 10%, but no > farther, and the volume setting is unaffected. �The volume buttons work > fine in XFCE. �Any ideas where to look for the problem? might be something muted in the mixer?