I have asus x540up core i5 7th Gen laptop ..I am facing the problem . some time while running on battery suddenly my laptop shut down randomly and I start again it gets start. . I visit to the reparier he said that the paste of the processor is dry.. he applied the paste later now I am facing the huge proglem ..laptop battery charging did not cross the 76% and when I unplug the charger laptop shutdown totaally not even took start up ..What should I do now ? is the battery completely damaged or board of the laptop is creating problem .Plzzzzzzz help me