... , Fujitsu, Gateway, HP, IBM, Lenovo, Panasonic, Samsung, Sony, Toshiba, Winbook . How to use:1. Before plugging anything in, and with your notebook ... your notebook. Connect the tip to the cable. Then, check the laptop case or owner's manual to determine what voltage input it ... you can't find this information.)2. Set the switch on the adapter for the correct voltage. 3. Plug the adapter ...