3.When you are prompted to select a language, press the number on your keyboard that corresponds to the language and then press Enter.
4.When prompted to change the serial number, press Y.
5.Type in the seven character serial number of your computer and then press Enter.
6.When prompted to change the machine type/model, press Y.
7.Type in the seven character machine type/model of your computer and then press Enter.
8.Follow the instructions on the screen to complete the update.