Laptop not turning on [Closed]

Registration date
Saturday July 19, 2014
Last seen
July 19, 2014
My laptop is hp pavillion problem is that when i plug the DC....The power connector ring will show the blue light but it will not show any indication light of charging..When i press the switch button,my laptop is not coming on...I have tried the trick of turning the laptop upside but it aint work.i decided to dismantle my pc washed the motherboard with menthylated spirit and reassembled it bt still giving me the same problem....Pls help on it with the best solution cos i believe in u..