dear i have the same problem, my laptop was on charging, after some time suddenly it power off. without connecting charger it didn't even show any sign of life. after connecting charger it only show charging full white light, when i press power on button that battery light start blinking 2,3 times and then come to its same position, if you have found any solution please share me at my email, thanks. mmustajabulhassan786@gmail.com