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Technology Today
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25 reads · newest Nov 7, 2026
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HDMI vs DisplayPort: Which Connection Suits Your Screen?
HDMI is the home-cinema connection and DisplayPort the computer one, but the overlap is large. Here is how they differ in practice, which to pick for a TV, a gaming monitor or a desk with two screens, and what adapters can and cannot do.
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How to Reset a Smart TV: Restart, Soft Reset or Factory Reset
Most smart TV glitches clear with a proper restart, and a full factory reset is the last step rather than the first. Here is how the three levels of reset differ, the order to try them and what to write down before you wipe the set.
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How Karaoke Machines in Korean Rooms Work: Song Numbers, Mics and Scoring
A Korean karaoke room is a small, self-contained AV system: a song server, a remote with a number pad, wireless microphones, a mixer with echo, speakers tuned to a closed room and a screen that plays the lyrics. Here is how each piece works.
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From Teletekst to Smart-TV Apps: How the Dutch Living-Room TV Has Changed
The Dutch television set went from teletext pages and a handful of numbered channels to apps, catch-up and internet delivery. Here is how each era reshaped the living room, and what never really changed.
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TV Audio Out of Sync? How to Fix a Lip Sync Delay
Voices that arrive a beat before or after the lips move are one of the most distracting faults in a TV setup. This guide explains where the delay comes from, how to tell which side is late and the settings that pull sound and picture back together.
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Soundbar vs Speakers: Which TV Audio Setup Suits Your Room?
A soundbar wins on simplicity and space, separate speakers on width, music and upgrade paths. This comparison looks at how each setup behaves in real rooms and which questions settle the choice.
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How to Connect a Soundbar to a TV: HDMI ARC, Optical or Bluetooth
There are four ways to get a TV's sound into a soundbar, and the best one depends on the ports both devices have. This guide ranks them, walks through each connection and lists the settings that cause silence when they are wrong.
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What Is Refresh Rate? Hz Explained for TVs and Monitors
Refresh rate turns up on every TV box and monitor listing, usually as a number followed by Hz. This explainer covers what it measures, how it differs from frame rate, which marketing terms to read carefully and how to check the setting on a computer.
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Why Does My TV Look Blue? Fixing a Blue Tint on the Screen
Whites that look icy and faces that seem a little cold usually point to the TV's picture mode or color temperature. This guide shows how to tell a setting from a fault and which menu options bring natural color back.
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HDMI No Signal? How to Troubleshoot a TV That Shows No Picture
When a TV says no signal on an HDMI input, the cause is usually simple: the wrong source, a loose lead, a handshake that failed or a format the screen cannot show. This checklist runs from the quickest fix to the least likely one.
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- 2020–2026
- years covered