Then leave your computer overnight to give it a massive amount of time for charging. To figure out some problems with the battery, you have to connect your laptop to an external power source through the laptop’s power cable. How to figure out the battery is the problem: There are so many reasons for this problem, like your laptop’s battery is gone, it’s a power management problem, or dust stuck inside batteries. Are you wondering to know why your laptop shut down when you unplugged charging even though it’s fully charged? So, you will be delighted to know we’re going to show you some ways to fix this problem.Īctually, many people thought it’s due to overheating, so they start using an external cooler, but the things repeated.