Plug the AC cord into the AC adapter. Plug the other end of the AC cord into a reliable power outlet. If the LED does not turn on or turns off, discontinue use. Plug the adapter tip into your laptop. You can charge your laptop and use the USB charging ports individually or at the same time. It will only charge your device. L, L, L, L series. 3,085,868 results Tip M12 Mobile Workstation: Dell Tip M5 lnspiron: M20, M60,[…]