Dc7700, window7, machine speaker not working. migrating from window xp to 7

dc7700, window7, machine speaker not working. migrating from window xp to 7

Hi:
Just download and install the latest Realtek HD audio driver from the Realtek site.
Accept the agreement. Download and install either the first or second driver on the list depending on whether you installed the 32 or 64 bit version of W7.
http://www.realtek.com.tw/downloads/downloadsView.​aspx?Langid=1&PNid=24&PFid=24&Level=4&Conn=3&DownT​...
Paul

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