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Today, I discovered the sound of my laptop (Acer Aspire E1 532) not working anymore.

The sound settings say "Dummy Output", and

sudo aplay -l

returns 

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

I have applied all the hints given here.

Is there another hint?

A.B.
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user258532
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4 Answers4

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I had to roll back the kernel as well:

sudo apt-get remove linux-image-3.16.0-34-generic

now I have this kernel version

$ uname -r
3.16.0-30-generic

I have tried everything I could find in Internet; nothing helped, only the previous kernel

Pablo Bianchi
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Ted
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  • If you agree with an answer to a specific question, it's customary to upvote that answer rather than duplicate it in a "me too" fashion. WE have no shortage of unanswered questions that could use your assistance. Please see http://askubuntu.com/unanswered/tagged/?tab=noanswers – Elder Geek Apr 24 '15 at 17:50
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I saw that somebody has solved that sound problem by "rolling back" the kernel version.

I used

uname -r

giving me the kernel version. I removed that kernel version with: 

sudo apt-get remove linux-image-3.13.0-46-generic

During the removal, I saw that a new DKMS sound driver was being installed. After rebooting, the sound worked! And

uname -r

now gives me

3.13.0-45-generic

as the kernel version.

user258532
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Can you open a bug in lanchpad for these issues, so we can debug further? A bug can be opened by running the following from a terminal:

ubuntu-bug linux

user233808
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My laptop (a Dell Inspiron), no longer recognized the laptop speakers.

I reloaded the kernel using

sudo apt-get install linux-image-generic-lts-utopic

Went back to the standard sound control and found the access to the laptop speakers had been restored.

user482903
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