The correct tip would be the one with its tip well fitted into the DC jack of the device tightly and snugly. HP Mini CL PC Drivers Download and Update for Windows 10, 8, 7, XP and Vista Connect the DC-out jack of the provided adapter into the other end of the tip that has plugged into the device. When EL and the device are connected with each other, the Power Bank will start supplying power to your device automatically.[…]