Muted External Amplifer via KMix (i.e. turned the little yellow light off), no change.
Rebooted, no change.
Checked that External Amplifier was muted on both KMix and ALSA Mixer (alsamixergui), no change.
Muted External Amplifer via KMix (i.e. turned the little yellow light off), no change.
Rebooted, no change.
Checked that External Amplifier was muted on both KMix and ALSA Mixer (alsamixergui), no change.