text: no wave device windows xp professional?   1)go to control panel->sounds,speech, and audio devices->sounds and audio devices.. in the top if you see "no audio devices" then do the following : control panel->printers and other hardware->click on "add hardware" on the right of the window.. go through the installation of the audio device driver.. 2)if your audio device was installed correctly.. then it may be just disabled..to enable it: right click on "my computer"->properties->hardware->device manager->press the + button beside "sound,video and game controllers"->right click on your sound card name->properties->in the bottom of the opened window choose "use this device ( enable )".