Connections & Cables
What HDMI ports do, and what ARC, eARC and CEC mean
HDMI carries picture and sound between your TV and everything you plug in. Here is what the labels on the ports actually mean.
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Plain-English explainers about TVs, streaming, home Wi-Fi and the cables that tie them together. Filter by the topic closest to your question.
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Connections & Cables
HDMI carries picture and sound between your TV and everything you plug in. Here is what the labels on the ports actually mean.
Wi-Fi & Network
Streaming needs less speed than most people think — until the whole household is online. Here are the real numbers and how to check yours.
Picture & Sound
Resolution is how many pixels make the picture; HDR is how good each pixel can look. Here is what that means on a real sofa.
Wi-Fi & Network
Your router speaks on up to three radio bands. Lower bands travel farther; higher bands carry more data. Here is how to match them to your rooms.
Streaming Basics
That short code on your TV links the app to your account. It is simple and safe — if you type it only where the service itself asks for it.
Buying Basics
A TV spec sheet is dozens of rows, but only five or six decide your experience. Here is which ones to read first, and what they mean.
Streaming Basics
All three put the same apps on your screen. What actually changes is speed, updates, ports and how long the setup stays pleasant to use.
Wi-Fi & Network
Wi-Fi is radio, and radio cares about distance, walls and height. Moving a router a few feet can beat spending a few hundred dollars.
Wi-Fi & Network
Wi-Fi is convenient; an Ethernet cable is consistent. Here is how to tell which one is behind your buffering, and when a cable is worth it.
Picture & Sound
TVs are thin, so their speakers are thin. Here is how sound gets from your TV to something better — and which connection to pick.
Connections & Cables
Some remotes need a clear line to the TV; others work from the sofa cushions. The difference is the radio inside — here is how to tell them apart.
Buying Basics
The most common TV scams all follow one pattern: someone you did not contact offers to fix, connect or charge for something. Here is how to spot them.