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I used to work on Ubuntu 12.10 but then suddenly my speakers stopped working, my headphones didn't used to work before and still they are not working, i then upgraded to 13.04 in hope that it may solve my problem, but it was not the case. I have read dozens of websites and suggestion and tried them out, but none worked. As i open my sound configurations the only option available there is "Play sound through Dummy output" and i am unable to change that. Please help me out. P.S I have my ubuntu dual booted with windows 7. And the speakers and headphones work fine on windows.

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您应该从 alsa 启动板安装 alsa 驱动程序。请务必安装最新版本，并且在使用 13.04 时也要安装最新版本。安装后尝试重新启动笔记本电脑。这将使声音工作。

于 2013-06-22T20:27:39.827 回答