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The C720 is a low cost Acer ChromeOS based Chromebook. Released 2014 successor to the C710.

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My display is showing strange shapes and colors. Could it be cracked?

I am unable to see anything on the monitor in the bottom right corner after I dropped my Chromebook. It has strange triangle shapes separated by black lines and is all sorts of colors. I can still see things on the left corner of the screen, but it is difficult.

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It is quite possible that the screen is cracked. Especially from your description. If it was not for you mentioning dropping it I could have recommended maybe that a cable was loose or that the inverter or video card was going bad. These screens are very fragile, and can even break from torsion when closing the Chromebook with one hand from either corner let alone a drop of a few feet or even less. I would follow the guide on the C720 device page for screen replacement.

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Christopher さん、ありがとうございました!
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