Hello colleagues, I ask for help with an HP 15-ax205ns, with a DAG35DMBADO Rev board which only starts with the power supply and with a universal charger, but with the original charger nothing, the id light comes on but it does not start, and that's it I have tried it with another original from Hp and neither.
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HP 15-AX205NS, does not turn on with original charger
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Re: HP 15-AX205NS, does not turn on with original charger
The voltage of AD_ID will vary based on the power (current) that can be supported by the external power adapter.
Your external lab power supply works but is based on a different AD_ID value. This higher AD_ID announces to the logic board that the power supply is capable of powering the logic board.
The lower AD_ID is not suitable so the logic board will remain off.
Check against the specs from the HP datasheet for this laptop, what is the recommended power adapter and compare to the one that you are using.
Either way, the AD_ID has to be higher to function.
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