TTY/TDD conversion modemYour computer supports the use of the text telephone (TTY) or the telecommunications device for thedeaf (TDD) conversion modem. The modem must be connected between your computer and a TTY/TDDtelephone. Then, you can type a message on your computer and send it to the telephone.Documentation in accessible formatsLenovo provides electronic documentation in accessible formats. Lenovo electronic documentation, such asproperly tagged PDF files or HyperText Markup Language (HTML) files, is developed to ensure that visuallyimpaired users can read the documentation through a screen reader. Each image in the documentation alsoincludes adequate alternative text to explain the image so that visually impaired users can understand theimage when they use a screen reader.Registering your computerWhen you register your computer, information is entered into a database, which enables Lenovo to contactyou in case of a recall or other severe problem. After you register your computer with Lenovo, you will receivequicker service when you call Lenovo for help. In addition, some locations offer extended privileges andservices to registered users.To register your computer with Lenovo, do one of the following:• Go to http://www.lenovo.com/register and follow the instructions on the screen to register your computer.• Connect your computer to the Internet and register your computer through a preinstalled registrationprogram:– For Windows 7: The preinstalled Lenovo Product Registration program launches automatically after youhave used your computer for a time. Follow the instructions on the screen to register your computer.– For Windows 8 or Windows 8.1: On the Start screen, open the Lenovo Support program. Then clickRegistration and follow the instructions on the screen to register your computer.Moving your computer to another country or regionWhen you move your computer to another country or region, you must take local electrical standardsinto consideration.If you relocate your computer to a country or region that uses an electrical outlet style different from thetype you are currently using, you will have to purchase either electrical plug adapters or new power cords.You can order power cords directly from Lenovo.For power cord information and part numbers, go to:http://www.lenovo.com/powercordnotice32 ThinkCentre M73 User Guide