Laptop volume control screw-up

[Michael Champlin]

try 'alsamixer' in the terminal. use the arrow keys to move through the
channels and m to mute/unmute. when ever I run into an audio problem on my
Thinkpad T40, its usually just a muted channel.

On 7/17/07, Harry Wert <harry.wert at gmail.com> wrote:
>
> All has been well with Ubuntu Feisty release until I apparently
> inadvertently fouled up the laptop volume control - how I do not know.
> In any event I still get the on-screen display depicting volume control
> when I press the appropriate button; ie, "mute", "volume increase", or
> "volume decrease". The downside is the sound is now unaffected. I can
> still point to the panel which displays the volume symbol with the mouse
> and everything is correctly controlled.  I have done the usual looking
> for an "accidentally installed" mixer, but the only one I can find is
> the one for Gnome - which is correct.  Can anyone suggest how I can
> isolate this problem.  It's trivial but annoying!
>
> Thanks in advance,
>
> Harry
>
>
>
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