Are you running a distribution that has all the GUI and configuration 
software included to manage audio? If so, you should be able to find an 
option for changing your default audio device.
If you aren't running a system with a GUI and all the associated audio 
configuration software packages then this is a common issue and a royal 
pain to resolve with only configuration. The *ONLY* reliable way I've 
found to deal with this using a distro that doesn't run all the 
supporting configuration management packages is with a startup 
configuration script either using the alsa commands or the /proc entries 
to find the right card you want and then modify ~/.asound.conf or 
/etc/asound.conf

I've had very unreliable results using all the driver module parameters 
you'll find strewn throughout all the forums and in the docs. Sometimes 
they work, sometimes they get ignored.




On 10/30/2016 3:53 PM, Kristoffer Gustafsson wrote:
> Hi.
> on my computer I get the problem that linux takes hdmi as my first soundcard.
> I know how to change that when linux is installed, but I want sound on
> an installation/live linux cd or dvd.
> is there a way to fix this thing?
> /Kristoffer
>


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