No sound while playing multi-media in Ubuntu 12.04 for XPS15

Posted by ved2254 on Ask Ubuntu See other posts from Ask Ubuntu or by ved2254
Published on 2012-11-03T18:18:56Z Indexed on 2012/11/17 17:22 UTC
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12.04

|

sound

|

alsa

I have an XPS15 laptop, core i5, 8GB ram.

Whenever I login my laptop I here the startup bongo sound. But my sound system just doesn't play anything, may it be a short audio clip or a movie. Output of lshw -c multimedia is :

WARNING: you should run this program as super-user.

*-multimedia
description: Audio device
product: 6 Series/C200 Series Chipset Family High Definition Audio Controller
vendor: Intel Corporation
physical id: 1b
bus info: pci@0000:00:1b.0
version: 05
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list
configuration: driver=snd_hda_intel latency=0
resources: irq:51 memory:f1c00000-f1c03fff

WARNING: output may be incomplete or inaccurate, you should run this program as super-user.

Headphones work just fine but there is no sound from the speakers. Is it a bug in multi-media players or ALSA?

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