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Vizio 55in E550I-B2E Watching tv and it just went out..waited one day and tried to see if it would come back on and it didn’t I thought it was completely black until I used a flashlight and could use the remote to still do things..I haven’t checked for sound..I’m just trying to figure out is it backlights or should I just get a new tv
@west12 definitely fixable. If you can see that picture with a flashlight, you lost the backlight. This is most commonly because of a failed power board. A replacement board cost ~$80USD and the replacement is straight forward. Remove the back of your TV after you unplug it and see if everything is properly connected. You can post some images of your boards and the layout of them on your TV set with your question. Use this guide Adding images to an existing question for that. It will allow us to see what you see. That way we can guide you further if needed.
Check Where the led inverter board connects to power supply. The connection on the power supply half has weak joints and will be loose. Just re solder the joints and youll get your back lights back.
https://youtu.be/bmvFaVPz1gI Link to you tube that will fix Vizio backlight