Public bug reported:

I followed the comprehensive audio guide but haven't had much success. I
have an HP Pavilion laptop. The sound worked through the speakers when I
had Intrepid x64 installed. I made a clean install-over of Jaunty x64
and now I can only get sound through the headphones.

**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: STAC92xx Digital [STAC92xx Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0

00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio 
Controller (rev 03)
Subsystem: Hewlett-Packard Company Device 3621
Flags: bus master, fast devsel, latency 0, IRQ 22
Memory at df300000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel

I also ran alsamixer and didn't see that any sound output was muted.

Please help.

** Affects: ubuntu
     Importance: Undecided
         Status: New

** Summary changed:

- no sound through speakers of HP Pavilion laptop using HDA Intel audio driver. 
 Sound only comes through headphones. Worked fine on 8.10...Doesn't work on 
9.04.
+ No Sound through speakers.  Worked fine on 8.10...Doesn't work on 9.04.

** Description changed:

- I followed this guide but haven't had much success. I have an HP
- Pavilion laptop. The sound worked through the speakers when I had
- Intrepid x64 installed. I made a clean install-over of Jaunty x64 and
- now I can only get sound through the headphones.
+ I followed the comprehensive audio guide but haven't had much success. I
+ have an HP Pavilion laptop. The sound worked through the speakers when I
+ had Intrepid x64 installed. I made a clean install-over of Jaunty x64
+ and now I can only get sound through the headphones.
  
  **** List of PLAYBACK Hardware Devices ****
  card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
  card 0: Intel [HDA Intel], device 1: STAC92xx Digital [STAC92xx Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
  
  00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio 
Controller (rev 03)
  Subsystem: Hewlett-Packard Company Device 3621
  Flags: bus master, fast devsel, latency 0, IRQ 22
  Memory at df300000 (64-bit, non-prefetchable) [size=16K]
  Capabilities: <access denied>
  Kernel driver in use: HDA Intel
  Kernel modules: snd-hda-intel
  
  I also ran alsamixer and didn't see that any sound output was muted.
  
  Please help.

-- 
No Sound through speakers.  Worked fine on 8.10...Doesn't work on 9.04.
https://bugs.launchpad.net/bugs/377567
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