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

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Why does my Chromebook keep flashing to a very dim lit screen?

So I was watching YouTube and then my chromebook flashed to a very dim lit screen (you could kind of make something out if you held it up to light). It kept doing this over and over again. I tried turning it off and on again but it even did it on the log in screen. How can I fix this and what is wrong with it??

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2 Answers


How much dim isit?can you see easly or not?

First couse is battery low.

Second is performance setting or something like that.

Third is backlight problem and its reffer to motherboard or backlight self.

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Probably LED ribbon cable.

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