HP Business EVO Notebook NX7010: Power Adapter Issues?

Hello,
I have an HP Business Evo NX7010 Notebook and it has behaved strangely lately. When it is turned off it will boot up without being switched on. The trigger for this behaviour is inserting the power adapter plug. So I am guessing that the power adapter or the power jack has a fault.
Also, sometimes the battery does not charge when the power adapter is plugged in.
Would these problems be associated to the power jack or the adapter?

Something cracked the power jack on the AC adapter open...it was not in the passive voice just "cracked". It takes some accident or event, When that happened and you kept using it you fried the motherboard. The pwer The laptop needs the motherboard replaced. I could try to sugarcoat, but that would not be honest. The power jack inside the laptop is not bad, it is the internal charging circuitry of the motherboard. So the light turns blue but nothing happens from there to the battery and to the motherboard itself.

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    Message was edited by: eww

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