plugged in not charging

[pramil]

hi, i am using dell xps l401x laptop recently my laptop is not charging. it shows the notification of plugged in not charging on battery icon.

 

[danny2000]

Does the battery have a tester on it? It is usually a little button-type of surface either on the very bottom or on the sides of the battery. it will cause the some lights to turn on on the battery.