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I have a Toshiba Satellite Laptop Model P745-S4102 with Intel integrated graphics and Ubuntu 12.04 LTS installed recently. When I connect my HDMI TV to it I only get video through it and no audio. In the System Settings -> Sound, there is no option to select HDMI as the output. I read other threads in this site and it seems like at least guys had HDMI option but no sound. I don't even get that.

Please help!!

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Sometimes I have to reboot for it to show up. Have you tried that yet? –  Nathan Dyer Jun 16 '12 at 20:12
    
@Nathan Dyer I tried rebooting but didn't help. –  Santosh Jun 17 '12 at 14:10
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4 Answers

My girlfriend just came across this issue on her first day of trying to use Ubuntu on her HP laptop. The solution for her was to follow Charlie Schams's suggestion at http://askubuntu.com/a/234784/69183

In short, some sound devices seem to have multiple profiles, and each of these profiles might expose different outputs to the Ubuntu sound settings dialog. They can be switched by the Pulseaudio volume control gui. Install that and run it, then on the configuration tab there is a dropdown for sound card profile. One of these in her case was HDMI, and now on the sound settings configuration dialog the option for HDMI output appears.

Hope this helps for you too.

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Stuart's instructions about installing the proprietary graphics driver also helped me while using Ubuntu 13.10 through an HDMI TV port. This is the simplest Ubuntu HDMI sound solution across the web--very little installation is required!

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Please enhance your answer by editing it with links to referenced fixes or instructions. As it stands, this is not an answer to the question. –  douggro Jan 1 at 8:49
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I've just solved my own problem after reading through all other threads like you stated.

I right clicked on the bottom right speaker icon, clicked playback devices and when the window popped up I right clicked in a blank space under the speaker device and selected Show all disabled devices and then enable the devices I wanted to use.

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Are you using Ubuntu? An anonymous user has pointed out (in a suggested edit) that these seem like Windows instructions. –  Eliah Kagan Jul 24 '12 at 4:36
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I ran into exactly the same problem and followed one of the threads to install the proprietary graphics driver. Then the HDMI option appear in the hardware sound setting window. It finally worked.

To install the proprietary graphics driver:

  • Click the system settings icon on your desktop.
  • Click Additional Drivers under Hardware.
  • Activate the driver.
  • Restart your system.
  • You should see the HDMI option appears in the sound window. Click to select the option.

Since I did this, I hear the audio coming out of my TV.

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Santosh is using integrated intel graphics. Therefore you don't have to install proprietary drivers. –  Ethan Leroy Oct 20 '12 at 16:00
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