Audio

• What should I do if I do not hear sound from a digital audio device connected to the digital output port, such as the HDMI output port?
• What should I do if I do not hear sound from speakers or headphones?
• What should I do if I hear microphone feedback from speakers when using my microphone?
• What should I do if my microphone does not work?
• What should I do if sound interruptions occur during video or audio playback?