On Sunday 21 August 2016 15:32:55 Frank Cox wrote: > On Sun, 21 Aug 2016 14:55:50 -0700 > > j_post wrote: > > On Sunday 21 August 2016 13:50:25 Frank Cox wrote: > > > On Sun, 21 Aug 2016 13:39:29 -0700 > > > > > > j_post wrote: > > > > Sound stopped working on my CentOS 6.8 system several months ago. > > > > > > alsamixer may tell you something useful. > > > > When I select HDA Intel PCH, which is what it should be using, everything > > looks normal with one possible exception. There are three volume sliders > > labeled S/PDIF and the second one has "Default" tacked on to it. All > > three have volume set at zero and alsamixer won't allow any change. > > > > The default should be HDA Intel PCH. > > I think you set the default with the space bar, though I haven't done it in > a sufficiently long time that I'm not completely certain of that. > Space doesn't do anything, but there are clearly problems with alsamixer. The only function key that works is F6 (Select sound card). F1 - F5 are supposed to do other things but they all cause alsamixer to exit. Does it matter that I'm running alsamixer from the command line? If I need to invoke it from a GUI, how can that be done? Thanks for your help, Jeff