|Normally I say to test power supply but some of the laptops are smart adapters and won't show any power unless they sense a proper load. The only choice is to swap with a known working ac adapter and try it. |
Could be that the connector on the board has been damaged or any part of the laptop bad.
1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.