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The Acer Chromebook CB3-431-C5EX is a fourteenth generation Chromebook released in May 2016. The 14-inch Acer Chromebook 14 is made to have a full HD screen and up to twelve hours of battery life.

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Acer Chromebook: blown motherboard component?

My father’s Acer Chromebook 14 (CB3-431) will no longer power-on. It worked fine for 18 months before one day it no longer charged. Once the battery ran down it no longer powers on.

I suspected the power port might be at fault, as the socket is quite loose. When removed the back I noticed a white mark on the motherboard near to what I believe is the charging circuit.

Now I am no longer sure whether it is worth ordering a new power port.

Does anybody know if this looks like a blown motherboard component?

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It’s hard to tell from the picture. A blown motherboard component would have probably made a noise and emitted some kind of smell when it detonated. Also, the computer would have likely become symptomatic immediately.

It could be a blown component, or that white mark could be because of a manufacturing defect. Perhaps the unit is refurbished, or was otherwise handled by a technician who damaged it?

To make sure that the power port is at fault, I would probably first replace the battery and see if that doesn’t fix the issue. It’s always best practice to try the least invasive solutions first.

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