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Windows 7: No HDMI audio out with Windows 7


07 May 2009   #1

windows 7
 
 
No HDMI audio out with Windows 7

After upgraded from Vista to Windows 7 RC, there is no HDMI audio out from my HDTV any longer. It can display video, but just no sound. In Playback Devices, it show HDMI Output as "Not Plugged In". I got Sony Vaio Realtek audio card and Nvidia video card. My audio driver is up-to-date with Win 7, but why there is no sound??? Any suggestion?

thanks


My System SpecsSystem Spec
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07 May 2009   #2

7600.20510 x86
 
 

Go to control panel, choose to view either large or small icons (near top right), then click sound. Have a look there and/or post a screenshot.

Do you plug your tv into the video card out HDMI? Could be a video card driver issue.
My System SpecsSystem Spec
07 May 2009   #3

windows 7
 
 

thanks for the response. I'll post the screen shot once i get home
My System SpecsSystem Spec
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07 May 2009   #4

windows 7
 
 

This is the screen shot while hdmi cable is connected.


Attached Images
 
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08 May 2009   #5

7600.20510 x86
 
 

I'm not very familiar as you could probably tell with using HDMI, but possibly your motherboard has a port for this and also a video card?

...and the cable is actually connected to a completely different HDMI port than what is showing here?

Probably not, but it's a thought that came to mind. Can't see why else it would say that it isn't connected when it is. Would have to be driver issue if not.
My System SpecsSystem Spec
10 May 2009   #6

Windows 7 x64, XP x64
 
 

Do you use two HDMI wires, one for the audio and one for the video, then where do both HDMI's connect on the TV?
Or is there a cable that goes in between the audio out and video out, where you can connect a single HDMI wire?

I personally use HDMI for video and coaxial/analog 5.1 for audio..
My System SpecsSystem Spec
11 May 2009   #7

Dual boot XP pro and Windows 7 RC
 
 

I found that right clicking on the HDMI output and setting it as default device, that the audio now works on the HDMI. The only issue I have is that when I want to listen to the sound through my PC speakers, I have to reset Speaker/HP as default. Hope this helps.
My System SpecsSystem Spec
13 May 2009   #8

windows 7 rc1
 
 

I'm having this exact same problem. I have an ATI 4850 on an ECS motherboard. Sometimes I have both audio and video just fine over hdmi, and then other times I have only video and the audio panel shows the same "not plugged in" message. Once that happens the only way I have found so far to fix it is to uninstall and reinstall the ati driver. It is quite annoying.
My System SpecsSystem Spec
12 Jun 2009   #9
kNz

W7 7229
 
 

I have same problem. Before install Windows 7 it had not happened but in Windows 7 7100RC and 7229 yep.

I can't do anything for resolve this, and i'm going crazy :S

PS: I have the LATEST drivers for nvidia geforce 9300M GS (186.03) and I did tested many others
My System SpecsSystem Spec
30 Aug 2009   #10

Windoes 7 RTM
 
 

i think i figured it out ...conect to the tv..and switch to projecter only(press the windows key and P) .go to playback devices and then click on your default speakers..while they ARE THE default DEVICE and then click set as default communication device...then set the hdmi as default device..hat did the trick.. now it automatcailly switches audio.
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 No HDMI audio out with Windows 7




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