acer aspire e1-510 screen wount turn on.it had a lock screen when acer appeard on screen the i entered password and i enterd the bios and try to clear every thing containing password then i saved to restart.but when it resarted, the screen never turn on again.power comes alright and the power light is on.but the third light only blinks twice quickly and thats all.fan keeps runing.nothing shows up., please i need help.
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