do your desktop have any internal speaker ?
for those motherboard with 6 channels and three jacks (green blue and
pink) at rear panel
headphone have to share DAC with green jack at rear panel
there should be no headphone volume control
node 0x15 [Pin Complex] wcaps 0x40018d: Stereo Amp-Out
Control: name="Speaker Playback Switch", index=0, device=0
ControlAmp: chs=3, dir=Out, idx=0, ofs=0
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Pincap 0x00010034: IN OUT EAPD Detect
EAPD 0x2: EAPD
Pin Default 0x99130120: [Fixed] Speaker at Int ATAPI
Conn = ATAPI, Color = Unknown
DefAssociation = 0x2, Sequence = 0x0
Misc = NO_PRESENCE
Pin-ctls: 0x00:
Unsolicited: tag=00, enabled=0
Connection: 1
0x0d
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https://bugs.launchpad.net/bugs/1071851
Title:
Sound doesn't work can't get the pulseaudio or alsa drivers to work
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