Solving Dell computer not charging but plugged in issue is tricky because it can be caused by a variety of factors. Before replacing the battery or AC adapter, you must take into consideration solving some software issues first.
So, if you get “The AC adapter type cannot be determined” error on your Dell device, here is something that might help you:
These are the recommended steps to fix the annoying situation when your Dell computer is not charging but plugged in. Although this guide is for Dell laptops, this issue is common in other laptops, such as HP, Lenovo etc.