Windows claims montior has speakers even though it doesn't

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  1. Posts : 480
    Windows 10 Pro x64 Version 1803
       #1

    Windows claims montior has speakers even though it doesn't


    Hello,

    I have an Asus VZ239HE-W monitor connected through HDMI. According to the ASUS website, this monitor does not have any built-in speakers.

    However, Windows claims it does according to the Sound settings and it has even set it as the default speakers with the model name of the monitor shown. I can not hear anything (even though it's enabled in settings) but when clicking on "Test" to let Windows send a sound signal to the monitor, I can see the level bars going up. The monitor does not have an audio jack plug either.

    How is this possible?
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  2. FreeBooter's Avatar
    Posts : 4,050
    Windows 10 Pro 64-bit
       #2

    Hopefully installing monitor driver will resolves the problem.

    VZ239HE|Monitors|ASUS Global
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  3. Posts : 480
    Windows 10 Pro x64 Version 1803
    Thread Starter
       #3

    FreeBooter said:
    Hopefully installing monitor driver will resolves the problem.

    VZ239HE|Monitors|ASUS Global
    The driver is only for Windows 7. Mind you, the monitor does not have speakers while Windows claims it does and showing hints of sounds playing over the monitor. Is this perhaps a bug when a HDMI is connected to any monitor?
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  4. FreeBooter's Avatar
    Posts : 4,050
    Windows 10 Pro 64-bit
       #4

    You can install Windows 7 driver on Windows 10.
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  5. Posts : 480
    Windows 10 Pro x64 Version 1803
    Thread Starter
       #5

    FreeBooter said:
    You can install Windows 7 driver on Windows 10.
    Is that recommended though? The FAQ also states that the driver won't work on Windows 10.

    What I'm merely wondering is why Windows is claiming the monitor has speakers even though it doesn't and whether this is a bug when any monitor is connected over HDMI.
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  6. Berton's Avatar
    Posts : 11,031
    Win10 Pro Versions 2004 and 2009/20H2, Win10 Pro IP_Dev, Win10 Home 1909
       #6

    I was given a 27" ASUS monitor a few years ago and it has built-in speakers, does require a cable between the computer's audio out port and the port on the back of it. I'd get rid of it but it's the only one I have with 4 inputs, VGA, DVI, HDMI and DisplayPort, quite handy when working on Notebooks with a broken display.
      My Computers


  7. Posts : 2,010
    Windows 10
       #7

    That is not a driver, it is a Monitor application/software utility.

    The fact that there maybe no audio amplifier or speakers does mean you cannot output to it, just not hear it.

    Manufacturers tend to cut costs by using the same internal electronics boards but just not solder in the Audio components for those models with no speakers.

    You can do your own research on whether the EDID info from the Monitor contains relevant info.
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  8. Posts : 480
    Windows 10 Pro x64 Version 1803
    Thread Starter
       #8

    Helmut said:
    That is not a driver, it is a Monitor application/software utility.

    The fact that there maybe no audio amplifier or speakers does mean you cannot output to it, just not hear it.

    Manufacturers tend to cut costs by using the same internal electronics boards but just not solder in the Audio components for those models with no speakers.

    You can do your own research on whether the EDID info from the Monitor contains relevant info.
    There's indeed a VZ239H-W model which has speakers and looks exactly the same as my VZ239HE-W model which doens't have speakers.

    They might have left the speakers in there but disabled it on hardware level if I'm correct?
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  9. i486's Avatar
    Posts : 205
    Windows 10 Home 20H2
       #9

    JohnnyGui said:
    Hello,

    I have an Asus VZ239HE-W monitor connected through HDMI. According to the ASUS website, this monitor does not have any built-in speakers.

    However, Windows claims it does according to the Sound settings and it has even set it as the default speakers with the model name of the monitor shown. I can not hear anything (even though it's enabled in settings) but when clicking on "Test" to let Windows send a sound signal to the monitor, I can see the level bars going up. The monitor does not have an audio jack plug either.

    How is this possible?
    If you use HDMI or displayport the connected monitor becomes a "sound device" by default, even if it lacks the device descriptors of a proper sound device. I've never seen any monitor with built-in speakers register as an independent sound device, so it must be the GPU drivers that allow operating systems to recognize it as such.
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  10. Ghot's Avatar
    Posts : 10,787
    Win 10 Home 10.0.19043.1055 (x64) [21H1]
       #10

    JohnnyGui said:
    There's indeed a VZ239H-W model which has speakers and looks exactly the same as my VZ239HE-W model which doens't have speakers.

    They might have left the speakers in there but disabled it on hardware level if I'm correct?



    I have a DELL U3011 monitor which definitely does not have speakers. (DP)
    And an LG TV which definitely does have speakers. (HDMI)



    Windows claims montior has speakers even though it doesn't-image2.png



    I think @i486 is correct.
    When I used to have my old 780 Ti hooked up with DVI-D, and the LG TV still hooked up with HDMI... the DELL didn't show in the Sound page.
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