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Windows 7: HDMI audio out problem

04 May 2012   #11

Windows 7 Professional x64

I know this is old, but I have/had this problem. All my drivers are up to date, so I know that's not the problem. At first, I thought it had something to do with a recent driver update (which it might be, but I doubt it), but I noticed something weird today. As I was trying to fix this problem, Windows was installing some updates to my computer which temporarily made my TV screen flicker. After it was done updating, my "Not plugged in" problem went away. I say have/had this problem because it worked earlier today and I had to turn off my computer. When I turned it back on, no sound and no I have sound again. Just a thought

My System SpecsSystem Spec
19 Oct 2012   #12

Windows 7 Home Premium x64 SP1

Quote   Quote: Originally Posted by dgud View Post

sorry for taking so long (carnaval here)

so here it is the screens

(both taken while the cable is plugged in)
I have the same problem. And the Sound panel looks the same with Digital Output + HDMI disconnected. They are both Properties > Enabled but they simply appear disconnected when I plug-in the HDMI-HDMI connector cable and I can see the image but can't hear audio on the LCD TV...
This happens also with latest Catalyst 12.8 installed + Realtek ATI HDMI Audio Device R2.70.
My MSI GX660 laptop has an AMD discrete gfx card + chipset Realtek ALC888s on the mobo.


Have had to install 'AMD High Definition Audio Device' (version from Catalyst 12.4 Mobility in addition to (=with) Catalyst 12.8 video drivers. They replaced Realtek ATI HDMI Audio Device. Now audio works fine out of TV speakers automatically when I connect the HDMI cable!

Weird 6 HDMI audio device are now available, but this is ok I guess since I've read AMD 7970M supports Eyefinity with up to 6 independent and configurable screens (!).

Attached Images
HDMI audio out problem-immagine2.png 
My System SpecsSystem Spec

 HDMI audio out problem

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