[. . . ] [. . . ] 4 Click the option for the number of speakers matching your multichannel speaker system. Note: If you want to play a stereo DVD, repeat steps 1 through 5 and change the audio properties for WinDVD to match the DVD output. 3 Turn on the PC. 2 Connect the three audio cable plugs from the speaker system to the connectors on the back of the PC. [. . . ] [. . . ]