I updated my sons pc from windows xp pro too xp pro sp2 and now there is no sound. The Pc is a AMDAthlon (tm)XP2000+ 1.67ghz When i looked through device manager this is all i could find. No MIDI PlayBack Device The Drivers for this device are not installed. If i have to install audio drivers the prob is i don't know what ones to download and install. Thanks alot for any help.