Public bug reported:
When the volume on a HP dv2000 laptop is decreased to zero either by the
volume applet or especially with the media keys, the system sometimes
ends up in a state, where alsamixer states that the master volume level
is at zero but not muted, whereas the volume applet thinks the channel
is muted. From this state the volume can no longer be controlled with
the media keys on the laptop.
After increasing the volume from either alsamixer or the volume applet
the volume controlling media keys function normally again. Muting with
the media keys work and when the volume is at zero and both alsamixer
and the volume applet report the channels muted, the volume can be
brought back with the media keys,
I did not experience this behavior with edgy and a self compiled alsa
driver (1.1.14rc3) on the same laptop. The sound card on the laptop is a
hda intel conexant CX200551 (Waikiki) and the OS is Feisty Beta with
packages updated on april 11 (same problem before update).
I'm not sure whether this is caused by alsa or the applet (or something
completely diiferent).
** Affects: Ubuntu
Importance: Undecided
Status: Unconfirmed
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volume control unable to increase volume from zero with media keys on HP dv2000
with feisty
https://bugs.launchpad.net/bugs/105633
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