hi, my name is vivin i have a toshiba laptop (satellite A135-S4527). it's not working. the power indication light is on when i press the 'power button' but computer doesnt start.when i connected it to the dc supply.the battery indication light(when working normally is orange if not fully charged and blue if fully charged) is not lit only. i tried takin off the battery from laptop and running it from the dc supply alone, still its not working. please help.