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I got echo indigo djx expresscard as an audio card.

I use Ubuntu 10.10.

if I insert the card and reboot. it works.

if I just insert the card, it doesn't make sound. the blue led is on. I tried killing pulse audio but it restarts automatically and still no sound.

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Sounds like a stupid simple thing, but did you reroute the output using Sound Preferences. It's probably not automatic... – tjameson Apr 5 '11 at 7:30
yeah i did. if i boot without card it doesn't show up in sound pref. if i boot with the card then i take it out and put back in, then i see the card but it doesn't make sound. i would assume i should renew or reload expresscard but i'm not sure how to do it – kirill_igum Apr 7 '11 at 19:28
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2 Answers

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Do lspci to see if your device is even recognized by Ubuntu. If it is, try this:

Restart ALSA:

killall pulseaudio
sudo alsa force-reload

then you can try this to show what devices you have: aplay -l
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i rebooted without the device and the device doesn't appear in lspci. i tried 'sudo modprobe snd-indigodjx' and nothing happened. even if i plug in the device, it doesn't show in dmesg. but everything works if i just restart – kirill_igum Apr 19 '11 at 2:29
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up vote 0 down vote accepted

add a line 

acpiphp

to

/etc/modules

and reboot the computer. plug and play will for for the expresscard. source: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/371434

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