laptop doesn't turn on
i have toshiba m35x-s114 about four years old,yesterday suddenly screen went black. then i tried to turn the power on it just power lights on but laptop doesn't start or hear any sound from hard drive.i try both way by charger without battery. then with battery without charger.the charger light on laptop indicates charging. this is the problem when i press power switch on laptop just power switch sstays on but laptop doesn't start.please advise me what to do
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