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Ubuntu 14.10 中音频无法正常工作

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Ubuntu 14.10 中音频无法正常工作

我有一个独特的问题。我的操作系统是 ubuntu14.10，在我的声音设置中，“播放”是空白的，甚至没有虚拟输出。我有 NVIDIA 显卡。

运行此命令 sudo aplay -l 时，

I got the following output
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 7: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 8: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 9: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0

“play output through” is empty in my sound settings and the output volume is
unchangeable. I reinstalled alsa and pulsesudio but did not get any results. Please help me.

答案1

对我来说通常有效的方法是sudo apt-get update然后sudo apt-get upgrade。

之后重启系统。如果此方法无效或者您之前尝试过此方法，请见谅。

它是最近安装的吗？

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