If you have a Dolby Atmos setup in your home, an HDMI 2.1 cable is the best thing you can use at the moment. Dolby says pairing a 2.1 cable with your TV's eARC port is the way to get the best audio, ...

Know how to connect your Windows laptop or MacBook to a TV, using either a cable or wireless method, quickly and easily.

Swap the cable to another device to see if the cable or device is faulty. Inspect the HDMI for frays or exposed wires; braided cables resist damage better.

It will be nice when every A/V receiver has an HDMI input so we don't feel the necessity to mention it but Sony's newest ES receiver has just that along with loads of power. The TA-DA3200ES employs ...