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C-Media AC97 Audio Device

Discussion in 'Software' started by Tal, Jul 20, 2008.

  1. Tal

    Tal Private E-2

    My friends computer has the above Sound Card, but no sound.

    I have tried to help by downloading what seems to be the most recent driver package, (after being tricked into endless downloads of *Driver Management* apps which only revealed the necessary fee payment at the last moment).

    But still there is no sound. Can anyone help?
     
  2. musksnipe

    musksnipe Guest

    Check: Speakers connected? Do they work?
    Check: Master Volume control. (not muted)
    Check that Windows Audio Service is started.
    Go to Control Panel>Administrative Tools>Services
    Scroll down the list of services until you find the Windows Audio service.
    Right click on it and choose Properties.
    Make sure it is set to Automatic and Start is checked.

    Check: Device Manager for bad drivers.
    For XP: Go to Start>Control Panel> System. On the Hardware tab, click Device Manager, then click the plus sign in front of Sound, Video, Game Controllers.
    For Vista: Go to Start>Control Panel>Device Manager
    In Device Manager, if there is a ? in front of your audio device, that means no audio driver is installed.
    A ! means driver installation attempted but with problems.


    What OS are you using?
     
  3. Tal

    Tal Private E-2

    Check: Speakers connected? Do they work? Check

    Check: Master Volume control. (not muted)Check

    Check that Windows Audio Service is started.
    Go to Control Panel>Administrative Tools>Services
    Scroll down the list of services until you find the Windows Audio service.
    Right click on it and choose Properties.
    Make sure it is set to Automatic and Start is checked.Check

    Check: Device Manager for bad drivers. Check. Info reads "This device is working properly".

    What OS are you using? Windows XP Service Pack 3
     
  4. musksnipe

    musksnipe Guest

    Goto Start>Control Panel>Sounds and Audio Devices.
    Click the Audio tab.
    Is C-Media set as the default device?
    Click Advanced there, are the type speakers you're using, selected?
     
  5. Tal

    Tal Private E-2

    Thanks dude, problem solved! There was an old installation of some other thing still set as default device, silly of me not to think of that.
     
  6. musksnipe

    musksnipe Guest

    It's the simple things that, sometimes, catch us up. ;)
    I spent 3 days and 15 posts with a problem that turned out to be unplugged speakers! :-D

    [​IMG]
     
  7. Tal

    Tal Private E-2

    Hey dude, thanks for your help, but guess what? I just discovered that while any mp3 or video file which is actually stored on the PC hard drive plays absolutely fine, any *streamed* video or audio (eg. Youtube) is still weirdly silent! :( :confused

    I'm clueless as to why. If I download the streamed video or audio (eg. with save2pc or freecorder), then it works just fine.

    Any ideas?? :confused
     
  8. musksnipe

    musksnipe Guest

  9. Tal

    Tal Private E-2

    Aww... :cry

    ...you had my hopes up for a minute dude, but it's a negative. Still got perfect playback with any audio or video on the machine, but silent Youtube and any other streamed audio. :(
     
  10. musksnipe

    musksnipe Guest

    I've seen a few threads here with that problem and didn't pay a lot of attention to them. I'm not sure if there ever was a solution.
    There are a lot of them on the 'net, too. Some go back more than a year with no solution.
    Most say update and reinstall to the newest Flashplayer. That's a possible cure for you.

    I also saw this and it seemed to help quite a few folks.
    Make sure to set a Restore Point!
    Go to Start>Run, type regedit.exe
    Press Enter.
    Find:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Drivers32
    Create a new String value named “wavemapper“. As a value, give it “msacm32.drv“.
    (Right Click the Right Window: New/String Value –enter wavemapper
    Highlight wavemapper for VALUE AS and enter: msacam32.drv
    )

    If you have no Volume Control now. Go to
    Control Panel>Sounds and Audio Devices> Volume.
    "Place volume icon in the taskbar" Make sure it is checked. Click Apply.

    You should now have a sound.
     
  11. Tal

    Tal Private E-2

    I'm afraid it's not possible for me to do that, because a string called 'wavemapper' with the exact value you've given already exists at that location in the registry! (The XP has service pack 3 installed, could this be why?)

    Anyway I really appreciate your attempts to help, it's starting to look like this is some kind of defect in the C-Media hardware or software and the best thing my friend could do would be to replace it. (What a great company they are! You go to their website for help and it says 'we do not give support to users, seek help on our forums'. You then try to register on the forum, but just get an email which says something like 'you will soon receive an email confirming that an administrator has made your account active'. That was about 4 days ago now I guess.)
     

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