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how to change sound to external sound card

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http://forums.fedoraforum.org – Hi folks On F11 a USB sound card got recognized immediately and began to be used. On F12 the same sound card is listed but still all the 'dings' and 'dangs' of the OS as also all browser ( youtube ) sounds are heard from the PC speakers. I tried to change the hardware to external ( did some playing around there ) ..no avail...the sound still comes of the laptop speakers. The mixer will not even show them as listed ( my sound card : if all is well as in Ubuntu its seen as a C USB etc ) What is the solution. can anyone help (HowTos)

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Submitted by linuxfan on 01/26/2010 – Made popular on 01/26/2010

Stories similar to how to change sound to external sound card

I have an internal sound card from a manufacturer not supported by ALSA. So, I got an external USB sound card from a friend. I cannot, however, get the card to even show up as an option on System-Preferences-Sound-Hardware. I also tried pulse audio volume control, also does not show up.

Greetings forum.

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Computer: Acer Aspire 6920

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Chip: Realtek ALC889

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Hi,After following Arch Wiki for configuring Alsa I added the following to my /etc/asound.conf:efaults.pcm.card 0 defaults.pcm.device 0 defaults.ctl.card 0This works on my current session. However, sometimes when I reboot my computer, my primary sound card that my speakers are connected to, becomes card 1 and I have to update this setting to get my sound card working.

I have a linux ubuntu 12.04 server machine which works with an usb sound card. When rebooting the machine, sometimes the usb sound card is recognized and sometimes not, I cannot figure out a reason for this. I understand when the sound card is recognized because when I issue the command:

cat /proc/asound/modules

I can see listed or not the line snd_usb_audio.

Analyzing the /var/log/kernel.log