It's the one dead center of the circle that exploded. I was thinking it was either a diode or a capacitor of some kind, but I don't know how to tell its value from its markings. This picture is of a motherboard that came out of an Acer netbook (Acer One D255E). I'm assuming that the wrong type of charger was plugged into this netbook to cause the damage. This also seems to be the only noticeable damage. Does anyone have experience with repairing this? Or at least what it is?
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Best Answer
It looks like a tantalum capacitor to me. It's the wrong shape for a diode, and they usually have the cathode marked with a line.Tantalums usually have the positive terminal identified with a line or a '+' like that, and are encapsulated in plastic. Electrolytics usually have the negative terminal identified with a line, and aren't usually encapsulated.