Millions of households with multiple HDMI-connected devices have encountered the same baffling problem: a TV that powers on by itself, a soundbar that hijacks volume controls, or a gaming console that ...

An HDMI cable plugged into a port on the back of a TV - Sylvia Biskupek/Shutterstock The HDMI ports on your TV are the proverbial gateways to all sorts of audiovisual experiences, from TV shows to ...

Has anyone had any experience using HDMI fiber optic converters/extenders? I have a weird ground loop problem in my system which I traced back to my HTPC. I get hum whenever I join the grounds between ...