ATI HD3470 Mobility HDMI Audio output not working!!!

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  1. Naz
    Posts : 2
    Windows 7
       New #1

    ATI HD3470 Mobility HDMI Audio output not working!!!


    Hey guys I have a ASUS M51vr Notebook Running windows 7,
    I have the latest ATI Drivers for my ATI HD3470 mobility
    Plus latest Realtek HD drivers.

    My problem is when i plug in my hdmi output via my hdmi cable it doesn't make the new device detected sound it would make on vista then allow me to choose to extend or duplicate to the new monitor. When i plug in my hdmi cable in, there is no picture until i reboot the computer then the picture comes. But i still am not able to have audio coming out from the HDMI output. On Vista i would connect the cable and then the new device sound would beep and it will allow me to choose extend options and the sound will work without a problem.. Now i see this is a comman problem and i been doing my head in trying to fix it the past 2 months, i'll post my Computer details and images of the HDMI cable not detected as it is currently connected.



    Chipset
    -------------------------------------------------------------------------

    Northbridge Intel PM45 rev. 07
    Southbridge Intel 82801IM (ICH9-M) rev. 03
    Graphic Interface PCI-Express

    Monitoring
    -------------------------------------------------------------------------

    Mainboard Model M51Vr (0x0000017B - 0x00029C20)

    LPCIO
    -------------------------------------------------------------------------

    Hardware Monitors
    -------------------------------------------------------------------------

    Hardware monitor ACPI
    Temperature 0 53°C (127°F) [0xCBE] (THRM)

    Hardware monitor Intel Mobile Core 2 Duo P8600
    Temperature 0 39°C (102°F) [0x3D] (Core #0)
    Temperature 1 40°C (103°F) [0x3C] (Core #1)

    Hardware monitor ATI Mobility Radeon HD 3400 Series
    Temperature 0 52°C (125°F) (GPU Core)

    DMI
    -------------------------------------------------------------------------

    DMI BIOS
    vendor American Megatrends Inc.
    version 211
    date 11/17/2008

    DMI System Information
    manufacturer ASUSTeK Computer Inc.
    product M51Vr
    version 1.0
    serial NF1S8831970253
    UUID 9D3D81DD-4EDD236B-F7000022-157460F1

    DMI Baseboard
    vendor ASUSTeK Computer Inc.
    model M51Vr
    revision 1.0
    serial BSN12345678901234567

    DMI System Enclosure
    manufacturer ASUSTeK Computer Inc.
    chassis type Notebook
    chassis serial CSN12345678901234567

    Graphics
    -------------------------------------------------------------------------

    Number of adapters 1

    Graphic APIs
    -------------------------------------------------------------------------

    API ATI OD5
    API ATI I/O

    Display Adapters
    -------------------------------------------------------------------------

    Display adapter 0
    Manuf. API index 0
    Display name \\.\DISPLAY1
    Name ATI Mobility Radeon HD 3400 Series
    Codename RV620LE
    Technology 55 nm
    Memory size 256 MB
    Memory bus width 64 bits
    GPU ref clock 27000
    PCI device bus 1 (0x1), device 0 (0x0), function 0 (0x0)
    Vendor ID 0x1002 (0x1043)
    Model ID 0x95C4 (0x1875)
    Performance Level 0
    Core clock 300.0 MHz
    Memory clock 400.0 MHz


    Software
    -------------------------------------------------------------------------

    Windows Version Microsoft Windows 7 (6.1) Ultimate Edition (Build 7600)
    DirectX Version 11.0






    That is all the information, If you guys need more please let me know... This problem has been driving me insane..
    Attached Thumbnails Attached Thumbnails ATI HD3470 Mobility HDMI Audio output not working!!!-sound.jpg  
      My Computer
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  3. RobertaRam
    Posts : 4
    Windows 7 Ultimate x64
       New #2

    I have the same problem with ati 3470. Maybe you solve your problem?
      My Computer
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  4. Solarstarshines
    Posts : 7,466
    Windows 10 Home Premium 64bit sp1
       New #3

    You have to disable the main sound via right click and have the monitor with the hdmi cable on then right click enable the hdmi device simple as that

    it isn't supposed to auto switch you have to do it yourself
      My Computer
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  6. RobertaRam
    Posts : 4
    Windows 7 Ultimate x64
       New #4

    I did that but it is still written that "ATI hdmi audio Not plugged in". I can see only video on my TV, no sound
      My Computer
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  7. fireberd
    Posts : 8,135
    Windows 10 64 bit
       New #5

    Have you actually selected the ATI HDMI as the "default" playback device? Try that and then see if it will work. On many systems you have to manually select the HDMI as the default playback device to get HDMI audio.
      My Computer
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  8. RobertaRam
    Posts : 4
    Windows 7 Ultimate x64
       New #6

    Where sould I do that? For ex. on VLC media player? Or where? Because on Realtek software I can choose only speakers and digital output.
      My Computer
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  10. Solarstarshines
    Posts : 7,466
    Windows 10 Home Premium 64bit sp1
       New #7

    right click on the sound then right click play back

    after that right click your main sound disable it

    make sure the lcd with the hdmi is on then when you do this enable hdmi sound it should work because that is the only other deive for sound

    if it doesnt you have a hardware issue that s how most all are set up especially using a ati card

    I use mine in this fashion all the time and it seems everyone else uses the same when comming across the forums i read about this subject

    good luck !
      My Computer
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  11. RobertaRam
    Posts : 4
    Windows 7 Ultimate x64
       New #8

    Still not working... I enable only hdmi, but it is still written "not plugged in"...
      My Computer
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  12. jljeeper
    Posts : 5
    Windows 7 64bit
       New #9

    Same problem - My fix is....


    This is a pain in the rear for me but it is the only way to get the HDMI audio recognized as a valid option.

    First - On my TV I have to actually select the HDMI channel that is connected to my PC
    Second - I have to un-plug and plug-in the HDMI cable. (I can hear the W7 found hardware sound)
    Third - Now I can select HDMI as my default device (everything works great)


    I usually have to repeat this process any time the PC or TV gets shut off. I am going to repost this to a new topic to see if anyone has a better solution.

    I guess the ATI card and W7 has to see a valid HDMI signal from the TV before it will enable the HDMI option.

    This is not an intermittant issue - it is a matter of the ATI HDMI detecting the connection and is very repeatable and consistant. All drivers ATI and VIA audio are the latest to date as of today.
    Last edited by jljeeper; 02 Jan 2011 at 00:49. Reason: added onfo
      My Computer
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  13. Rodney1
    Posts : 10
    Windows 7 64bit
       New #10

    Hello

    I had intermittent detection of the HDMI in "Control Panel/Sound", and eventually no detection (the following solution may also work for those who were never able to obtain a signal at all). For me updating the audio driver fixed the problem. You can update the audio and video drivers by following the steps below (found these steps at Microsoft website). My computer is only 6 months old, but still needed the drivers updated. No special system setting are required as written in previous posts, if the driver is the problem (except setting HDMI as default device in Sound). I was also extremely frustrated with the ongoing problem and hope the driver updates work for you. Good luck!

    1. Open Device Manager by clicking the Start button , clicking Control Panel, clicking System and Maintenance, and then clicking Device Manager.* If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
    2. In Device Manager, locate the device you want to update, and then double-click the device name.
    3. Click sound video and gaming controller
    4. Open each audio controller in sound video and gaming (one at a time) and update by Clicking the Driver tab, and then click Update Driver and follow the instructions.
    Last edited by Rodney1; 01 Jan 2011 at 15:11.
      My Computer
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