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The entry-level version of the Inspiron 15 7000 gaming notebook from June 2017 lacks the higher-end hardware complement of its pricier siblings. The battery life puts many other laptops—gaming or not—to shame.

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Why does a line appear at the bottom of the screen?

A short time after turning on the laptop, a line appears at the bottom of the screen.

The laptop is not hit and is on the table, it does not move .

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Aleksandar Šotra  that really depends on what this all looks like. You can of course post some good pictures of this with your QUESTION. That way we can see what you see. Going by your description alone, this sounds like a failing LCD driver board. Could be something like a colder solder or and IC/component that heats up and then fails.

Adding images to an existing question

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