In case you do not get any audio output, check the following:
Check if your sound card is properly configured with YaST. For more information, see Abschnitt „Einrichten von Soundkarten“ (Kapitel 2, Einrichten von Hardware-Komponenten mit YaST, ↑Start).
Check the volume control of the master channel and the other channels available in a mixer application. For more information, see Section 19.1, “Mixers”.
Many keyboards also have keys for controlling the volume. Check the volume control keys of your keyboard.
Most multimedia applications also provide volume controls. Check the volume control in the application that you use to play music or movie files.
Check the defaults for the sound system configuration in the
. Access them from the main menu by selecting . In the , click to open the .In case you have external devices like loudspeaker or headphones connected to your machine, check that they are plugged in properly and that they are connected to the right ports.