Post the output of alsa-info.sh
if this dell m061 is a dell desktop, you need pin fix to change all [Jack] speaker at extra rear to [Jack] line out at ext rear
Pin Default 0x01114210: [Jack] Speaker at Ext Rear Conn = 1/8, Color = Green DefAssociation = 0x1, Sequence = 0x0 Pin-ctls: 0x00: VREF_HIZ
Post the output of alsa-info.sh
if this dell m061 is a dell desktop, you need pin fix to change all [Jack] speaker at extra rear to [Jack] line out at ext rear
Pin Default 0x01114210: [Jack] Speaker at Ext Rear
Conn = 1/8, Color = Green
DefAssociation = 0x1, Sequence = 0x0
Pin-ctls: 0x00: VREF_HIZ