Please check to ensure that the default audio playback device within your operating system is set to ‘Plugable TBT3-UDV Dock Audio’
Please see this knowledge base article for detailed instructions --> Link
I Have My Headphones/Speakers Connected to the Analog Audio Output on the Front of the TBT3-UDV Dock, but I Do Not Hear Any Sound. Why Is This?
Last Update: November 20th, 2020Article ID: 736423