No onboard sound after upgrading to hardy

[Nigel Ridley]

Geoffrey Bays wrote:
> I just upgraded from kubuntu gutsy to hardy on my amd 64 x2 machine,
> and am not getting any onboard sound. the sound worked in Gutsy. The
> sound card seems to be detected in lspci:
> 
> 00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio (rev a2)
>         Subsystem: Hewlett-Packard Company Unknown device 2a34
>         Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 22
>         Memory at fe024000 (32-bit, non-prefetchable) [size=16K]
>         Capabilities: [44] Power Management version 2
>         Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+
> Queue=0/0 Enable-
>         Capabilities: [6c] HyperTransport: MSI Mapping
> 
> yes, I unmuted and upped master sound level in kmix, hoping to hear
> something, but no go.
> artsd sound server is running as expected.
> any help would be much appreciated.
> 
> thanks
> 
The following refers to some Dell laptops but it might give you a starter at troubleshooting:
http://linux.dell.com/wiki/index.php/Ubuntu_8.04/Issues/No_Sound_After_Distribution_Upgrade

HTH.

Blessings,

Nigel

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