My first question is this. What is the voltage/wattage of your charger? It should say it on the charger itself.
My second question is have there been any storms, power surges, etc? If static in the laptop is causing an issue, I would take the battery out and unplug for 10 minutes. It takes 10 minutes for static to fully discharge from a machine, even after you hold the power button.
Afterwards, I would try taking the battery out and turning it on from direct power with the adapter, if you haven't already. If that actually works, try with the battery alone.
The only other thing that I can think of is the RAM might have come loose or the power port for the adapter on the laptop needs to be blown out with canned air because it is not connecting.
Basically, if it doesn't work after that, there is a short somewhere on the motherboard and the laptop would probably need to be serviced.
I hope this helps.
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