HDMI - video fine, but no sound.

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  1. Posts : 8
    W7 Pro Sp1 64bit
       #1

    HDMI - video fine, but no sound.


    My PC won't output any sound over HDMI.

    -I've tested all the cables. They all work fine.

    -I plugged a laptop into the HDMI socket (on the amp) that i use for the desktop. Sound is carried fine.

    -There's no error messages in Device Manager, it says the driver is installed fine.

    -HDMI output is set as the default.

    -I even replaced the HDMI card, just in case.


    At this point, it seems like i am doing something very silly, or there is a particular fault with the slot on the motherboard?

    However, i ran the motherboard's diagnostic program, it told me there are no issues.


    I'm stuck.


    Can anyone help?

    Thanks
      My Computer


  2. Posts : 2,798
    Windows 7 x64, Vista x64, 8.1 smartphone
       #2

    Hello KifCroker, welcome to the Forum

    Play some audio on the computer and then open up the Volume Mixer to see where the sound is going.

    To Open the V|olume Mixer, right-mouse click on the Sound icon on the bottom right corner of the display. Select Open Volume Mixer from the list.

    Volume Mixer will show the Sound levels on different Devices and Applications.
      My Computer


  3. Posts : 8
    W7 Pro Sp1 64bit
    Thread Starter
       #3

    (thanks)
    Attached Thumbnails Attached Thumbnails HDMI - video fine, but no sound.-argh.png  
      My Computer


  4. Posts : 2,798
    Windows 7 x64, Vista x64, 8.1 smartphone
       #4

    Play some audio on the computer, then press Windows key + R, type sndvol into the box, press Enter.

    Take a screen shot of the pop up window, which should look something like this: HDMI - video fine, but no sound.-volume-mixer.png


    2) Run the Sound Troubleshooter, and see what errors it reports.
      My Computer


  5. Posts : 8
    W7 Pro Sp1 64bit
    Thread Starter
       #5

    ,,,
    Attached Thumbnails Attached Thumbnails HDMI - video fine, but no sound.-gagh.png  
      My Computer


  6. Posts : 31,242
    Windows 11 Pro x64 [Latest Release and Release Preview]
       #6

    Not wanting to say that this applies to your hardware, but I have known that a Number of AMD Sound chips/cards do not have all the connections made for HDMI use [only the video outputs are connected], and the sound is covered by a separate SPDif or Jack Plug connection.

    I have had to replace AMD Video Cards in the past for nVidia units for this very issue
      My Computers


  7. Posts : 8
    W7 Pro Sp1 64bit
    Thread Starter
       #7

    Barman58 said:
    Not wanting to say that this applies to your hardware, but I have known that a Number of AMD Sound chips/cards do not have all the connections made for HDMI use [only the video outputs are connected], and the sound is covered by a separate SPDif or Jack Plug connection.

    I have had to replace AMD Video Cards in the past for nVidia units for this very issue
    You may be right, the previous card absolutely definitely did pass audio over HDMI previously though
      My Computer


  8. Posts : 31,242
    Windows 11 Pro x64 [Latest Release and Release Preview]
       #8

    I have had AMD units that do so, and those that do not, Every nVidia card with HDMI that I've used have had the sound integrated to the HDMI, so it can be a bit of a lottery ...

    You may be able to connect the HDMI, and the headphone out jack to the Line In on your output device, a little inelegantbut should work, although you may need to fine tune the sound delay to match any video
      My Computers


  9. Posts : 8
    W7 Pro Sp1 64bit
    Thread Starter
       #9

    Swapped the previous card back in. Made no difference. And that one worked fine before. (Also AMD)



    I'm starting to think the issue is the motherboard?
      My Computer


  10. Posts : 2,798
    Windows 7 x64, Vista x64, 8.1 smartphone
       #10

    When you state that the previous card was fine, was this on the same motherboard?

    In order to assist in providing you with help, you will need to fill in your system specs so members can know what they are dealing with -

    Click on My System Specs bottom Left of any post and select Update your System Spec - complete as much as you can

    Speccy - Builds the standard Speccy program will help find the details
      My Computer


 
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