I can not get any sound while playing Flash content in IE, FireFox, or Chrome

I think this is a little silly, but I did it anyway.  Actually, when you do it, the system makes you log-off and then log back on to make the change.  My guess is that reseting the system is what fixed his problem - either way, no help to me.

Below are the Steps from:

http://www.codecguide.com/fix_for_flash_sound_problems.htm

And my results:

1. Flash stores its files in a temporary files folder. A corrupt download can cause the sound problems.
   Delete the following folders:
   C:\Documents and Settings\%UserName%\Application Data\Adobe\Flash Player
   C:\Documents and Settings\%UserName%\Application Data\Macromedia\Flash Player

• Actually…Note that point 1 sould be %APPDATA%\Adobe\Flash Player%APPDATA%\Macromedia\Flash Player
• (Thanks willener)

I completed this – No help

1. Empty your temporary internet files.
   
   Internet Explorer: Tools -> Internet Options
   Firefox: Tools -> Clear Private Data
   Opera: Tools -> Delete Private Data

I completed this – No help

1. Empty your temporary files folder.
   
   Use this command to empty your temporary files folder:
   Start -> Run -> RMDIR /S /Q "%TEMP%"

I completed this – No help

1. Install the latest version of the Flash plugin. You can download it HERE. If you have problems upgrading the plugin, then uninstall your existing version first with this tool. Close your browser(s) before you run the uninstall tool.

I completed this – No help

1. Run the K-Lite Codec Tweak Tool. Near the top you should see an option to fix the sound (Midi, WaveOut). Select that and press Next. If the option is grayed out, then that particular registry fix is not needed. This fix will restore a missing "wavemapper" registry key.

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1. Go to the Flash Player Settings Manager website. Click HERE.
   Check the box called "Allow third-party Flash content to store data on your computer."

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1. Go to the Flash Player Settings Manager website. Click HERE.
   Click on the button to remove the data that the Flash plugins has stored for websites that you have visited.

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1. Check if your sound device settings are correct:
   Start -> Settings -> Control Panel -> Sound and Audio Devices -> Audio

This is not correct instructions for Windows 7. 

Obviously I have checked sound settings in RealTek Audio manger several times. As well as in the mixer, and in the Internet Option Settings (Advanced Multimedia).  I checked setting under “Hardware and Sound” there is nothing there that has any effect.

1. If you have QuickTime installed, then go to the QuickTime control panel. On the Audio tab, set "Default Music Synthesizer" to "General MIDI".
   On the Advanced tab, disable "Enable playback of Adobe Flash tracks".
   On the browser tab, click on "MIME Settings". Under "Miscellaneous", make sure "Flash media" is unchecked.

These are not accurate options on my computer (Quicktime 7.6.9).

1. Under Default Music Synthesizer.  There is no “general MIDI” only option is “Quicktime Music Synthesizer”
2. Advanced Tab: “Enable playback of Adobe Flash tracks".is not an option
3. Browser Tab: "Flash media" is not listed under MIME Settings (There is no Miscellaneous)
4. Check if the file msacm32.drv is present in the C:\Windows\system32 folder. If not, copy it from another PC (that has the same version of Windows) and place the file in the system32 folder. If you are using a 64-bit version of Windows, then the file should be present in the C:\Windows\SysWOW64 folder.

Verified these files are here.

1. If you are also having sound problems with other applications, then re-installing your audio drivers might solve the problem.

I am not having problems with other audio applications, but I still completed this – No help