If the instructions above don't resolve the issue, please also try the following:
If the Flash uninstall / reinstall does not work this maybe due to a Microsoft Windows Vista permissions issue.
Please use the Windows button at the bottom left then the search function:
If these steps don't correct the issue, and you still have no sound
when playing the video, you may want to try the steps below.
For Mac users:
For PC users:
Make sure you have your sound card selected as the Default device:
If you're still having trouble, check to see if your system meets these requirements for running the video player:
Videos on Mastishare are streamed through an Adobe Flash player. For
the best viewing experience, we suggest you install the latest version
of Adobe Flash after removing any old versions you've installed.
Please completely uninstall Flash before reinstalling the latest version.
To uninstall Flash, please follow Adobe's instructions, listed here.
Then, restart your computer and follow Adobe's instructions for reinstalling Flash, listed here.
If your system meets all the requirements, but the video player
still isn't working properly, please try troubleshooting with a
different browser. Remember to test the audio on multiple videos!
If you can't hear sound within videos embedded on other websites or blogs,
your computer may be blocking third-party Flash content. To correct this, follow the steps below:
Please be advised that this action stores a Flash cookie on your computer. Flash enables this by default upon install.
If this step doesn't help, please check your Antivirus and Firewall
software to see if you're blocking third-party Flash content.