Conexant Pebble Beach old hardware - no sound, driver loaded ok.


  1. Posts : 417
    Windows 10 1803
       #1

    Conexant Pebble Beach old hardware - no sound, driver loaded ok.


    need help with an older hp/cpq laptop. Everything working amazingly well except sound. It shows everything loaded OK, but not a peep. no static, no bad sound, nothing but silence. I tried switching to stand "High Definition Sound Device" and that didn't work either [did work on a past Conexant problem I had, later fixed permanently via MS].
    This all worked well under Windows 7, so not a speaker problem.
    Images below. anyone have a suggestion?

    EDIT: I added the "Connections" View to images, showing the Parent "High Def Audio Controller" with the dependent devices under. They all have their own unique HW ID's of course. From what I am reading it is the parent that has to be dealt with.

    I looked up an old post on same issue in which I shared my experience with my Zenbook, which has now been stable for 2 years, but that conexant device is 7 years or so newer. On the current CQ60 issue, I did use the workaround of limiting memory to 3072, and then the audio worked, but that is a dead-end workaround. The modem is being discovered even when I uninstall it, disconnect from network, reboot, it comes back every time. I can't figure out where it is getting driver from - it is not listed in the Device list of Windows Update.
    Attached Thumbnails Attached Thumbnails Conexant Pebble Beach old hardware - no sound, driver loaded ok.-high-def-audio-ctrlr-1.png   Conexant Pebble Beach old hardware - no sound, driver loaded ok.-high-def-audio-ctrlr-2.png   Conexant Pebble Beach old hardware - no sound, driver loaded ok.-sound-driver.png   Conexant Pebble Beach old hardware - no sound, driver loaded ok.-sound-props.png  
    Last edited by cognus; 07 Oct 2019 at 07:23.
      My Computer


  2. Posts : 13,301
    Windows 10 Pro (x64) 21H2 19044.1526
       #2

    Try uninstalling the driver and restarting the computer, maybe just a corrupted driver
      My Computers


  3. Posts : 2,763
    Windows 10 Home x64
       #3

    Try determining is sound output isn't correct, that is, sound output sent to headphones or other output connectors instead of common speakers.
      My Computer


  4. Posts : 19,238
    W11+W11 Developer Insider + Linux
       #4

    What's under General tab ? Check in your output device's properties, something like this:
    Conexant Pebble Beach old hardware - no sound, driver loaded ok.-image.png
      My Computers


  5. Posts : 417
    Windows 10 1803
    Thread Starter
       #5

    This is the older thread I referred to.
    Windows 10 no sound SOLUTION (CONEXANT)

    - - - Updated - - -

    Can someone that knows driver code etc have a look at the below, from this older thread, post/reply number 23. Will this work?
    Windows 10 no sound SOLUTION (CONEXANT)
    Paste below:
    Hello, i am new on this forum and i want to deliver in deep solution : In fact lot of drivers on Windows have problems with "registers"

    i have solved the connexant audio problem which appears on Windows 7, 8/8.1, 10 on the same registry :

    1) So go to "Notepad"

    2) copy/paste this :

    Windows Registry Editor Version 5.00

    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CnxtHdAudService]
    "Type"=dword:00000001
    "Start"=dword:00000000
    "ErrorControl"=dword:00000001
    "ImagePath"=hex(2):5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\
    74,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,64,00,72,\
    00,69,00,76,00,65,00,72,00,73,00,5c,00,43,00,48,00,44,00,52,00,54,00,36,00,\
    34,00,2e,00,73,00,79,00,73,00,00,00
    "DisplayName"="@oem20.inf,%UAAFunctionDriverForHdAudio.SvcDesc%;Conexant UAA Function Driver for High Definition Audio Service"
    "Owners"=hex(7):6f,00,65,00,6d,00,32,00,30,00,2e,00,69,00,6e,00,66,00,00,00,6f,\
    00,65,00,6d,00,31,00,2e,00,69,00,6e,00,66,00,00,00,6f,00,65,00,6d,00,36,00,\
    2e,00,69,00,6e,00,66,00,00,00,00,00

    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CnxtHdAudService\StartOverride]
    "0"=dword:00000003

    [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CnxtHdAudService\Enum]
    "0"="INTELAUDIO\\FUNC_01&VEN_14F1&DEV_50F4&SUBSYS_103C8120&REV_1001\\4&9a696c3&0&0001"
    "Count"=dword:00000001
    "NextInstance"=dword:00000001

    3) Save on XXX.reg

    4) open it with "admin rights"

    5) reboot/shutdown computer

    6) Sound Works again ... permanently
      My Computer


 

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