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can't power up laptop from adapter or good charged batteries

it will start to power up for 2 seconds ,   then stop  and 3 seconds later

try to power up for 2 seconds,  then stop      and 3 seconds later try to power up again.

 

Battery is good, includin 2 good spares I have tried as well,  power adapter seems to be good, (if it started by battery then i would conclude adapter is no good)

 

 

is this a hard drive problem??   cmos problem ???   or another problem????


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