Most common sound problems are resolved simply by downloading the latest version of the Windows Media Player and/or Internet Explorer directly from Microsoft to use as a baseline test.
If you are using Microsoft Media Player, it may be useful to check for any recent updates. To do that, just start the Media Player, click on "Help", then click on "Check for Player Updates..", and your media player will automatically download any updates.
Or, you can simply download the latest Microsoft Windows Media Player for PC (or Mac) for free from:
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