Top screen is brighter than the bottom screen

When turning the brightness up to 5 it turns off by itself and when I put the 3d slider all the way up it also turns off.

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Alexis Lopez in a darkened room when it shuts off, shine a flashlight beam at an angle against the screen. Can you see what should be on the screen?

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What do you mean by that?

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once you turn the brightness upp to 5 it shuts itself off. Once off check by shining a flashlight beam at an angle against the screen. see if you can still make things out. what I am looking for is a bad backlight. With high power they will shut down since they cannot handle that voltage.

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I see nothing out of the ordinary

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how old is the battery? by turning it up you are pulling more power and if the battery capacity has deteriorated than you may need to replace the battery.

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