Try dxdiag. Click "Start" then "Run". Type dxdiag and click "Open". Check the report for direct sound. You may have to visit the Microsoft site to install Direct X. Try and install the same version of Direct X that you have now - the dxdiag report will tell you what you have installed now. I say this because I don't know if your system is compatible with the latest version. "click here" This more than likely will be compatible.
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