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Horizontal lines flickering across your
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Sony TV screen can be distracting,
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frustrating, and almost impossible to
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ignore. One moment you're watching your
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favorite movie, and the next those lines
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take over the picture. But before you
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worry about expensive repairs or
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replacing your TV, take a breath,
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because in most cases, these problems
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can be fixed right at home with just a
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few simple steps. In this video, I'll
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walk you through each fix in a clear
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step-by-step way. By the end, you'll
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know exactly what to try and how to get
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your screen back to looking crystal
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clear. The very first step is a power
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reset, and this one is often overlooked.
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Turn off your Sony TV and unplug it from
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the wall completely. Don't just switch
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it off with the remote. Then, press and
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hold the power button on the TV itself,
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not the remote, for about 15 seconds.
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This drains any leftover power still
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sitting inside the TV's circuits. After
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that, wait at least two full minutes
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before plugging it back in. It might
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seem too simple to work, but this
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process clears out temporary glitches
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that often cause lines or flickers on
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the screen. You'd be surprised how often
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this solves the problem right away. If
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that doesn't do it, the next thing to
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check is your cables. Loose or damaged
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HDMI cables are one of the most common
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culprits behind horizontal lines. Gently
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check each cable connected to your TV.
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Look for bent pins, frayed ends, or
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cables that don't feel snug when plugged
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in. To test it properly, disconnect
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every external device like your game
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console, streaming stick, or Blu-ray
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player, and then turn the TV back on
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with nothing connected. Open the menu on
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your screen. If the menu looks clean
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without lines, the TV itself is fine.
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That means the issue is coming from one
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of those devices or the cables.
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Reconnect them one by one until you spot
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which one is the troublemaker. Now,
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let's check your TV software. Outdated
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firmware can sometimes create display
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issues. Go into settings, find product
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support, and choose software update. If
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your TV is connected to Wi-Fi, select
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network update, and follow the
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instructions. If it isn't, you can
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download the latest firmware from Sony's
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website onto a USB drive and install it
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manually. Keeping your TV up to date
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often prevents glitches like this. If
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the issue continues, a factory reset
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might help. Remember, this will erase
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your settings and return the TV to its
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original state. To reset, go into
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settings, select storage and reset or
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device preferences, and confirm factory
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data reset. This can clear out deeper
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system problems that other steps don't
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fix. Another simple test is to try
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different input sources. Plug your
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device into another HDMI port or connect
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something completely different like a
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laptop or DVD player. If the lines only
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appear with one device or port, you know
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the TV itself isn't the issue. While
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you're at it, reset your picture
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settings to default. Sometimes
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brightness, contrast, or sharpness
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settings can exaggerate the problem and
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adjusting them one by one might improve
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the picture. If none of these solutions
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work, the issue may be hardware related,
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such as a failing panel or internal
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component. At that point, contacting
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Sony support or a professional repair
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service is the best option. But in most
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cases, one of the steps we just went
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through will get rid of the lines
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without expensive repairs. And that's it
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for this video on fixing horizontal
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lines on your Sony TV screen. I hope
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these tips helped you get your display
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back to normal. If this guide saved you
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some frustration, please give it a
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thumbs up and subscribe for more quick
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tech fixes. Did one of these methods
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work for you? Share your results in the
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comments. I'd love to hear what worked
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and it might help someone else, too.
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Thanks for watching and I'll see you in
