how do i reinstall realtek audio so that my compter has sound again

Install the drivers(audio) if you have them, otherwise check online for the drivers!!
You didn't list any information about your computer, so it's hard to
search for your realtech driver.I found this web site for you for a free realtech driver.
http://download.cnet.com/Realtek-AC...Hewlett-packard Az208av-aba p6350z
◦CPU/Ram: 3 GHz / 5367 MB
◦Sound Card: Realtek High Definition Audio
