Hi,
Please try to give me the whole questions in one message, because otherwise it will never end.
Screen shot of my dock station.
https://nimb.ws/rTj7t5
1. You can see hdmi which connected to the lg screen
2. Additional monitor to the laptop
3. green plug of the speaker
4. Connection from laptop to doc station
5. Wireless mouse stick
What is playback settings?
This is my play back devices.
https://nimb.ws/YkJoVy
give me direct insturctions.