output aplay -l:
root@asuslaptop:/home/jw# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia_1 [HDA NVidia], device 0: ALC269 Analog [ALC269 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: NVidia [HDA NVidia], device 7: HDMI 0 [HDMI 0]
Subdevices: 1/1
alsamixer in terminal opgestart: bleek dat Master op mute stond, togglen en schuiven: nu werkt koptelefoon en speakers !! Opgelost !!