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Hi all I have 820-3437 was dead no power liquid damage all seems to be working, however the fan spins for a few sec then stop then start spinning again then the machine turns on.
any advise please
This machine restarts 2 times and stays on at third; is the normal way to start.
But this should happen only first time whern you connect the charger.
If battery is good, next time must start in one step, like 2015 model.