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My sound system isn't working when I use the X server. When I use it in a TTY, it works fine.

In a TTY, the output of aplay -l:

**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC889A Analog [ALC889A Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: ALC889A Digital [ALC889A Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

In a graphical environment, this is the output:

aplay: device_list:268: no soundcards found...

Even stranger, the sound from the X environment starts playing when I do a VT switch, but doesn't play while I am in X.

Contents of /proc/asound/cards

 0 [Intel          ]: HDA-Intel - HDA Intel
                      HDA Intel at 0xfdff4000 irq 43
 1 [CX180          ]: CX23418 - CX18-0
                      CX23418 #0 Hauppauge HVR-1600 TV/FM Radio/Line-In Capture 

I'm new at this, so if anything else is required, please let me know. Thanks in advance!!!

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I figured out the issue, in case anyone else was having this problem.

KDE (or whatever you use) must be run via systemd, so (in arch) run (as root) systemctl enable kdm and then it should work.

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