Solved! my acer laptop do not turn on with out plug in

Jan 21, 2019
while using my laptop I tried to install a software,suddenly screen turned off and become black. I tried to on using power button but it fails.when I connect charger and plugin,then laptop turned on.But when removing the charger computer turns off again and again
May need new battery -- they have a limited lifespan & eventually get to a point where they can no longer hold a charge. Don't buy the cheapest battery you can find -- that would be a big mistake.