Ultra-thin 90W ac Adaptor 1 one year Warranty 2 passed CE ROHS 3 6 Years Experience Factory in power supply 4 ... . Replaces lost and forgotten power adapters. Compatible models include Acer, Apple, Asus, Averatec, Compaq, Fujitsu, Gateway, HP, IBM, Lenovo, Panasonic, ... this information.)2. Set the switch on the adapter for the correct voltage. 3. Plug the adapter into the wall, then into your laptop ...