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No sound via HDMI. Intel 82801H, Ubuntu 12.04

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http://askubuntu.com – I have just reinstalled Ubuntu 12.04 64 bits in my laptop. a Dell XPS M1330. With previous versions it used to ask me to install additional drivers (A Realtek card, i don't remember very well). But this time it seems not to need it any more. Any way sound works ok thru laptop's speakers but i don't get it working in my TV via HDMI as it used to work. Actually there is no HDMI option in the sound settings. $ aplay -l ** Lista de PLAYBACK dispositivos hardware ** tarjeta 0: Intel [HDA Intel], dispositivo 0: STAC92xx Analog [STAC92xx Analog] Subdispositivos: 1/1 Subdispo (HowTos)

Danial's picture
Submitted by Danial on 09/19/2012

Stories similar to No sound via HDMI. Intel 82801H, Ubuntu 12.04

Since the 11.10 I have this problem: when I start my notebook, Speakers do not work, Whereas headphones do. After standby and resume, Usually but not always, Everything works well.

Any idea how to solve this issue?

My Notebook specs:

Ubuntu 12.04 LTS 64bit (fresh installation) HP Elitebook 8440p

the output of aplay -l is the following:

Lista di PLAYBACK dispositivi hardware scheda 0: Intel

I have an F17 machine with an Intel Ivy Bridge CPU w/embedded Intel HD4000 GPU.

When I plug my HDMI into a TV the video works great but I get no sound.

aplay -l

Code: **** List of PLAYBACK Hardware Devices **** ... card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 Sound works except for when I use HDMI cable.

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the lspci | grep -i audio

Quote:

snd_hda_intel : ATI Technologies Inc|R700 Audio Device [Radeon HD 4000 Series] (vendor:1002 device:aa38 subv:103c subd:3061)

grep sound-slot /etc/modprobe.conf

Hello everyone!

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