Lenovo offers a comprehensive portfolio of value-added services that support the full lifecycle of your Lenovo assets from procurement to disposition. Our service experience can optimize productivity and user satisfaction by reducing downtime, and enabling you or your IT staff to focus on your business critical issues. Lenovo's Product Exchange Service provides expedited replacement of your product should you experience problems with faulty equipment. If the issue cannot be resolved by phone, you will receive a replacement product equivalent in value and function, saving you from unexpected downtime and repair expenses. The customer is responsible for returning the defective unit in the packaging provided with the replacement unit within 30 days.