- Determine the audio or video format
• Take note of the file type of the audio or video
- Update your device’s software
• Check for available updates for your device
- Check for available updates for media players or apps
• Update your media players and apps which are playing the file
- Check the audio or video settings
• Check if the mute button is enabled
• Check if the wrong audio output is enabled
- Check the audio or video quality
• Make sure the resolution of the audio or video file is compatible with the device
• Check if the audio or video file is corrupted