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43 inch 4K smart samsung TV with Back light flashing

Please, i just bought my TV since a month ago, i have a very strange problem, after a 3 days from payment day, i faced a flashing of back light leds while viewing youtube “ i wish i could describe the problem “, so i changed the video and all thing become ok, after some days i faced the same problem so i turned off the tv then on and all things become ok, after some days the problem appeared again so i changed the power source to another one and for a week there is no problem, yesterday i faced the problem again and after changing the channel all things become ok ..

please review the videos here

https://www.youtube.com/watch?v=AMz1nacu...

https://www.youtube.com/watch?v=8A5CFZ7n...

https://www.youtube.com/watch?v=SCAG84gx...

https://www.youtube.com/watch?v=t7NBKgos...

https://www.youtube.com/watch?v=_SDrseUB...

please tell me if the problem is hardware or software or power source

Thanks and Regards

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please tell me if the problem is hardware or software or power source

von

i changed the privacy of the videos , please check and give me your feedback

thanks a lot for the answers

von

What exact model is this? You said "after a 3 days from payment day" does this mean it is a brand new TV? If so contact the seller first.

von

Yes it is a new tv

von

@eng.3atef start by contacting the seller first.

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I had the same model of TV and the same thing happened to me. This solution was is that moisture builds up and causes the motherboard to go off on safety. The first thing to do to get your TV working properly is to get a small hair dryer or heater and point it behind the ventilator slots in the back of your TV make sure it is not too close or gets too hot behind your TV, make sure it sits for about 2 to 3 hours leave the TV unplugged while you're doing this. Keep trying to TV after two or three hours until it comes on.

Now what's your TV is on you need to go to settings and under settings you go to Power settings ... Under power you'll find a category that say instant-on you want to keep that on all the time so that motherboard stays warm that doesn't collect moisture. It will say "may use a little bit of more electricity" ... but it's well worth the trouble of getting heaters out and going through the process I just explained.

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Use your remote to go to home screen turn Cursor up to settings. From their cursor up to system. Turn cursor down to “ Power on" (Home screen) . Then scroll down to fast TV start … make sure it's set to “enabled.” This keeps the motherboard and circuitry warm so TV never goes into a cold start. Now Cruiser down one more to system restart. Cursor to the right and hit restart.

The TV will turn off immediately for a few seconds and then automatically come back on turn off for about 6 seconds and then reboot automatically and you should be all right.

My Westinghouse 43-inch TV with 4K and Roku built in is susceptible to moisture. If you ever get a total blackout on your screen and your TV will not start. Just comes on and barely lights the screen let me know I know a simple fix.

It does not involve videos or taking your TV apart which is if your TV is as young as you stated it would void the warranty. I called about my warranty and it would cost more to ship the TV back to the manufacturer than the TV is worth.

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@engpower all your Videos are listed as private and cannot be seen. We will need to know the exact model of your TV and would also need to see the boards. Remove the back cover and post some good pictures of all of the boards with your QUESTION. This is hardware related and is either a power board or backlight array issue.

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i changed the privacy of the videos , please check and give me your feedback

thanks a lot for the answers

von

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Mohamed Atef wird auf ewig dankbar sein.
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