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The Acer Chromebook 14 model identified by its model number CB3-431-C3WS. This Chromebook was released in 2016. This Chromebook runs Chrome OS; Intel, Celeron Processing systems.

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Dropped Chrombook Shows Black Border

I dropped my chromebook and when I went to pick it up the screen had a black border with a white screen. I turned it off and when it turned on the screen was still white and there was only black in the corners of the screen but they started to expand until the border came back. After a minute the screen began to show black lines and started to fade to black. What can I do?

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Hi @choomabuddy ,

Try connecting an external monitor to the laptop’s HDMI port and check what the display is like on it when the laptop is on. Even a TV can be used as an external monitor if you have the appropriate cable to connect the two together.

I don’t know Chromebooks so not sure if you have to press any function keys to extend the display from the laptop to an external monitor or not.

If there is a display on the external monitor and it is OK then perhaps there is a faulty video cable connection (due to the fall) on either the motherboard or the LCD panel or worse case is that the LCD panel is faulty.

Here’s a video that shows how to replace the LCD panel in your model series laptop that may be of some help.

Replacement panels are available online. Just search for Acer Chromebook 14 CB3-431-C3WS LCD screen to get results for suppliers..

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Well sorry to tell you but the same things happened to my crombook first connect it to an external screen if that didn’t work that crombook is gone if it works go to a colerffull image and send it to the crombook if you see it faintly you don’t need to change the screen if not you need to change the screen

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Erick sera éternellement reconnaissant.
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