2 Safety and warranty guideNotePlease read important safety information first.This information can help you safely use your desktop or notebook personalcomputer. Follow and retain all information included with your computer. Theinformation in this document does not alter the terms of your purchase agreementor the Lenovo™ Limited Warranty. For more information, refer to “Lenovo LimitedWarranty.”Customer safety is important. Our products are developed to be safe and effective.However, personal computers are electronic devices. Power cords, poweradapters, and other features can create potential safety risks that can result inphysical injury or property damage, especially if misused. To reduce these risks,follow the instructions included with your product, observe all warnings on theproduct and in the operating instructions, and review the information included inthis document carefully. By carefully following the information contained in thisdocument and provided with your product, you can help protect yourself fromhazards and create a safer computer work environment.Note: This information includes references to power adapters and batteries. Inaddition to notebook computers, some products (such as speakers and monitors)ship with external power adapters. If you have such a product, this informationapplies to your product. In addition, computer products contain a coin-sizedinternal battery that provides power to the system clock even when the computeris unplugged, so the battery safety information applies to all computer products.Conditions that require immediate actionProducts can become damaged due to misuse or neglect. Some productdamage is serious enough that the product should not be used again until ithas been inspected and, if necessary, repaired by an authorized servicer.Important safety informationChapter