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My tv screen is black and won't turn on but there is sound

My tv screen is black and won't turn on but there is sound

Hi, my brand new 65inch TV worked last night when setting it up. It now just has a black screen, has sound but no picture. We can stream to it. But no picture.

ANSWERS:

"Hi @ jamie barnes .

Try a power refresh and check.

Turn off the TV if on and then disconnect the power from the TV. I realize that you have done this but now, with the power disconnected, press and hold the TV Power On button for a full 30 seconds and then release it.

Reconnect the power to the TV and turn on and check,

If still no good, with the TV on try shining a torch at an angle close to the screen and check if you can detect any images at all. They will be very faint if they are there so trying this in a darkened room may help to see them.

If you can see images then there is a backlight problem. Either the backlight power supply or the mainboard perhaps. This is if the TV is a LED TV (You didn't state the model number)

If the TV is an OLED TV most probably you won't see any images so it may be a mainboard problem.

Do not attempt to open the TV to investigate further so as to not void the warranty"

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