Lenovo ThinkCentre 3231 User Manual page 83

For technical assistance with the installation of or questions related to Service
Packs for your preinstalled Microsoft Windows product, refer to the Microsoft
Product Support Services Web site at http://support.microsoft.com/directory or
you can contact the Customer Support Center. Some fees might apply.
Purchasing additional services
During and after the warranty period, you can purchase additional services, such
as support for hardware, operating systems, and application programs; network
setup and configuration; upgraded or extended hardware repair services; and
custom installations. Service availability and service name might vary by country
or region. For more information about these services, go to the Lenovo Web site at:
http://www.lenovo.com
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Chapter 7. Getting information, help, and service