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I have the RedHat Linux and Win2000 install3ed on my machine (dual boot). I have no problems listening to CDs under Win2000.
When I try to do it under Linux, Cd player apperas working but I have no sound in headset.
When I attempt to invoke volume control, I have the following message
"Invalid /dev/mixer device"
"unable to open audio device "dev/mixer"
Please check that you have permission to open /dev/mixer
and that you have sound support in your kernel"
My /dev/mixer/ permissions are "crw-------". I try to change it but it didnn't solve the problem. My linux is a standard ReHat 9 installation.
Problem solved. The additional soundcard has been installed
The problem has been solved by installing an additional sound card which is recognized and supported by Linux. The original souncard integrated to motherboard for some reason wasn't recognized by Linux. I don't know if it was possible to recognize an original sound card using some tricks and tweaks, but the new one is OK with both OS