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Power failure after plugging in USB cable. No power

\015 Have a LG300 laptop which was working fine until I plugged in a usb cable, when the laptop lost power, and will no longer power up. Any suggestions?\015

Answers :

You likely shorted your motherboard/ southbridge. A competent repair shop (one that can diagnose to board level)may be able to repair the short if it is not too bad otherwise you will likely need to replace the motherboard.
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