HDMI eARC how to. ARC not working? HDMI ARC troubleshooting

HDMI eARC How to use and troubleshoot for stereo and surround sound. How to Get Dolby Atmos, Does HDMI eARC (enhanced Audio Return Channel) work with ARC.
Chapters
00:00 What is HDMI eARC
00:27 How to Use HDMI eARC
02:26 Plug HDMI in to TV or Receiver
02:50 HDMI eARC or ARC
03:42 HDMI ARC audio adapter
06:07 HDMI ARC Troubleshooting

Links to recommended products appearing in this video;

Outstanding Affordable Stereo Speakers with HDMI ARC; Neumi BS5P -ARC; https://amzn.to/42dV2Vs

Great Sounding Dolby Atmos Surround Sound System - Ultimea Aura A60
Amazon: https://www.amazon.com/dp/B0DBV8ML92
5% Discount code: 5OFFforA60，valid until April 21st
Company Official Website:https://bit.ly/4ijOknJ

HDMI ARC adapter; https://amzn.to/4l8rdhT
Smart Power Strip; https://amzn.to/445FJAI
Stereo Amplifier that works well with smart power switch.Aiyima A07 Max; https://amzn.to/4hZ6kmn