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I tried many things to recover the sound on my dell vostro 3559 pre-installed with Ubuntu 14.04 LTS. however, nothing helping :-(

Followed all instructions from the below

How to fix "No Soundcards Found"

here is the o/p I got 

$ lspci -v | grep -A7 -i "audio"
00:1f.3 Audio device: Intel Corporation Device 9d70 (rev 21)
    Subsystem: Dell Device 06c2
    Flags: fast devsel, IRQ 255
    Memory at d1220000 (64-bit, non-prefetchable) [disabled] [size=16K]
    Memory at d1200000 (64-bit, non-prefetchable) [disabled] [size=64K]
    Capabilities: <access denied>

00:1f.4 SMBus: Intel Corporation Device 9d23 (rev 21)

Does this o/p show any issues with my drivers or do I need to enable something? Please help me with this. I am a beginner to Ubuntu.

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Abhishek Behera
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1 Answers1

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Same thing happened with my system. I think you enable Secure Booting . Check following link, it helps me to solve the issue. Why do I get "Required key not available" when install 3rd party kernel modules or after a kernel upgrade?

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samir saha
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