Hello Team , Facing issue with my acer Laptop Aspire 5 A515-A51G , the issue is with the charging ?

Hello, While my laptop is charging the charging automatically stops when a Game is launched For Example GTA5 Then i have to close the game and unplug and again plug the ac adapter pin to the laptop to start charging , and it charge when no game is running , whenever a game is launched both the light indicator starts blinking , I have already changed the battery and the ac adaptor and still the problem persist please need some help with the issue .