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Glen cheek Posted on Oct 17, 2020

My ONN tv after three years went black and never came on again- onc50UB18co5 -when plugged into ac outlet - LED light comes on and can be powered off with remote, but after pressing power button on the remote several times, the LED lights flash and another hit of the pwr. Button the LED lights come on but TV doesn't turn on.

1 Answer

Christian Aromin

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  • Contributor 15 Answers
  • Posted on Oct 18, 2020
Christian Aromin
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Joined: Oct 18, 2020
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Verify that you have no image on all inputs. If it remains dark, unplug it and push the power button for about one minute, then plug it back in. See if that resets your TV.

If it remains dark, use a flashlight and angle it against the screen with the TV at a station where you can hear the sound See if you can make out shadows or shapes. If you do, then it is your backlight that has failed.

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Related Questions:

0helpful
1answer

My flat screen led onn tv is stuck on a blue and black screen with a picture of a camera

Hi Alicia Rolle, indicates the ONN LED TV model you are commenting on, in order to find the best possible solution
You can unplug it from the power outlet, leave it like that for an hour, plug it back in and see if it is corrected
I wait your answer
Regards Franco Dosil

Hola Alicia Rolle, indica modelo del TV LED ONN que estas comentando, para poder encontrar la mejor soluci?n posible
Puedes desenchufarlo del toma corrientes, dejarlo asi por una hora, volver a enchufarlo y ver si se corrige
Espero tu respuesta
Saludos Franco Dosil
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I have a onn universal remote but there are no codes for a onn tv

Press the "Power" button on the TV you want to sync with the universal remote. Push and hold the "LED" button on the remote until the button lights up and stays lit. Push the "TV" button The "LED" light will blink once, then stay lit again. Point the remote toward your TV and press the "Power" button on your remote, holding it down until the TV turns off. Do not press "Power" again after the device turns off. Press the "Enter" button on your remote. The LED light will no longer stay lit. Your remote control is now programmed for use with the device.
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The tv went black no sound or picture. We

U have a solid green light from the LED power light indicator right?U have this DLP tv for awhile like two or three years,and use it alots right?Never change the lamp and the ballast right?Change the lamp and the ballast should solved ur problems.
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Does not power up

There is no light on the front, correct? No red light, no yellow, no green?

Considering how often I see this problem, I'm amazed Nintendo didn't address it in their FAQ on the Wii.

This is a common problem with the Wii. As I said, I'm very surprised Nintnedo didn't cover this in the owners manual FAQ, considering it happens almost every time there is a power surge or the power goes out, etc.

Even if it's hooked up to a surge protector, this happens. Power comes back on, but the Wii appears dead. It won't turn on, and the LED indicators won't light. If there was a power surge, or the power went out,etc...anything, this will happen. The problem is with the AC adapter,not the Wii itself.

You need to reset the AC adapter to get the Wii to work again. There is a circuit inside the AC adapter that needs to be reset. Unplug the AC adapter from the wall/surge protector outlet. Don't unlpug it from the Wii, it has to be at the outlet. You have to kill power to the adapter.

Unlpug it from the wall/surge protector outlet, and leave it unplugged for 5 or 10minutes. This will kill power to the AC adapter, and give the circuit time to reset. When you plug the adapter back into the outlet after 10 minutes, the red led on the front should be lit up.
0helpful
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Wii work for 3 weeks will not turn on .

There is no light on the front, correct? No red, yellow or green?

Considering how often I see this problem, I'm amazed Nintendo didn't address it in their FAQ on the Wii. This is a common problem with the Wii. It happens almost every time there is a power surge or the power goes out, etc. Even if it's hooked up to a surge protector, this happens.

Power will come back on, but the Wii appears dead. It won't turn on, and the LED indicators won't light. If there was a power surge, or the power went out,etc...anything, this will happen. The problem is with the AC adapter,not the Wii itself.

You need to reset the AC adapter to get the Wii to work again. There is a circuit inside the AC adapter that needs to be reset. Unplug the AC adapter from the wall/surge protector outlet. Don't unlpug it from the Wii, it has to be at the outlet. You have to kill power to the adapter.

Unlpug it from the wall/surge protector outlet, and leave it unplugged for 5 or 10minutes. This will kill power to the AC adapter, and give the circuit time to reset. When you plug the adapter back into the outlet after 10 minutes, the red led on the front should be lit up.
0helpful
1answer

Everything is plugged in, and it wont turn on

It seems even 5th or 6th problem is this. The AC adapter needs to be reset. Unplug it from the wall outlet for 5 to 10 minutes (NOT from the Wii, it HAS to be from the wall outlet).

Considering how often I see this problem, I'm amazed Nintendo didn't address it in their FAQ on the Wii.

This is a common problem with the Wii. As I said, I'm very surprised Nintnedo didn't cover this in the owners manual FAQ, considering it happens almost every time there is a power surge or the power goes out, etc.

Even if it's hooked up to a surge protector, this happens. Power comes back on, but the Wii appears dead. It won't turn on, and the LED indicators won't light. If there was a power surge, or the power went out,etc...anything, this will happen. The problem is with the AC adapter,not the Wii itself.

You need to reset the AC adapter to get the Wii to work again. There is a circuit inside the AC adapter that needs to be reset. Unplug the AC adapter from the wall/surge protector outlet. Don't unlpug it from the Wii, it has to be at the outlet. You have to kill power to the adapter.

Unlpug it from the wall/surge protector outlet, and leave it unplugged for 5 or 10minutes. This will kill power to the AC adapter, and give the circuit time to reset. When you plug the adapter back into the outlet after 10 minutes, the red led on the front should be lit up.
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The Wii console went off. Is there a fuse that can be changed?

It's not a fuse issue, the AC adapter needs to be reset (I'll how explain below). First, a little background on the issue.

Considering how often I see this problem, I'm amazed Nintendo didn't address it in their FAQ on the Wii.

This is a common problem with the Wii. As I said, I'm very surprised Nintnedo didn't cover this in the owners manual FAQ, considering it happens almost every time there is a power surge or the power goes out, etc.

Even if it's hooked up to a surge protector, this happens. Power comes back on, but the Wii appears dead. It won't turn on, and the LED indicators won't light. If there was a power surge, or the power went out,etc...anything, this will happen. The problem is with the AC adapter,not the Wii itself.

You need to reset the AC adapter to get the Wii to work again. There is a circuit inside the AC adapter that needs to be reset. Unplug the AC adapter from the wall/surge protector outlet. Don't unlpug it from the Wii, it has to be at the outlet. You have to kill power to the adapter.

Unlpug it from the wall/surge protector outlet, and leave it unplugged for 5 or 10minutes. This will kill power to the AC adapter, and give the circuit time to reset. When you plug the adapter back into the outlet after 10 minutes, the red led on the front should be lit up.
2helpful
1answer

Wii worked fine yesterday. Will not power up

This is a common problem with the Wii. Considering how often I see this problem, I'm amazed Nintendo didn't address it in their FAQ on the Wii. It happens almost every time there is a power surge or the power goes out, etc.

Even if it's hooked up to a surge protector, this happens. Power comes back on, but the Wii appears dead. It won't turn on, and the LED indicators won't light. If there was a power surge, or the power went out,etc...anything, this will happen. The problem is with the AC adapter,not the Wii itself.

You need to reset the AC adapter to get the Wii to work again. There is a circuit inside the AC adapter that needs to be reset. Unplug the AC adapter from the wall/surge protector outlet. Don't unlpug it from the Wii, it has to be at the outlet. You have to kill power to the adapter.

Unlpug it from the wall/surge protector outlet, and leave it unplugged for 5 or 10minutes. This will kill power to the AC adapter, and give the circuit time to reset. When you plug the adapter back into the outlet after 10 minutes, the red led on the front should be lit up.
3helpful
1answer

No Power/ No light

You need to reset the AC adapter (I'll explain below)

Considering how often I see this problem, I'm amazed Nintendo didn't address it in their FAQ on the Wii.

This is a common problem with the Wii. As I said, I'm very surprised Nintnedo didn't cover this in the owners manual FAQ, considering it happens almost every time there is a power surge or the power goes out, etc.

Even if it's hooked up to a surge protector, this happens. Power comes back on, but the Wii appears dead. It won't turn on, and the LED indicators won't light. If there was a power surge, or the power went out,etc...anything, this will happen. The problem is with the AC adapter,not the Wii itself.

You need to reset the AC adapter to get the Wii to work again. There is a circuit inside the AC adapter that needs to be reset. Unplug the AC adapter from the wall/surge protector outlet. Don't unlpug it from the Wii, it has to be at the outlet. You have to kill power to the adapter.

Unlpug it from the wall/surge protector outlet, and leave it unplugged for 5 or 10minutes. This will kill power to the AC adapter, and give the circuit time to reset. When you plug the adapter back into the outlet after 10 minutes, the red led on the front should be lit up.
0helpful
1answer

I moved my Wii to another room, connected it to the tv and the screen came on then went totally black. The power light doesnt come on.

First try another wall outlet.If not help unplug the AC adapter, then wait 30 min and plug it again.If this not help may your AC adapter is defective.
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