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?