i bought a dell vostro 1510,i was using it and all of a sudden the screen went black and the 9lock symbol that is close to the power button keeps on blinking until you power off. i have tried the RAM, DVD drive, HDD everytin dat i can fink of but its still the same. i dont kno,mayb i need to pour water or pray for it cos it cost me.plz can anybody help me on it? tanx in advance