User manual LENOVO IDEAPAD U450P

[. . . ] Lenovo IdeaPad U450p User Guide V1. 0 Notes · Before using this information and the product it supports, be sure to read Important safety information on page iii and Notices in Appendix E first. · Some instructions in this guide may assume that you are using Windows Vista®. If you are using other Windows operating system, some operations may be slightly different. If you are using other operating systems, some operations may not apply to you, but it won't substantially affect your use of this computer. [. . . ] Be sure to retain your proof of purchase to obtain warranty service. 61 Appendix A. Getting help and service If possible, be near your computer when you make your call in case the technical assistance representative needs to help you resolve a computer problem. Please ensure that you have downloaded the most current drivers and system updates, and recorded information before you call. When calling for technical assistance, please have the following information available: · Machine Type and Model · Serial number of your computer and your proof of purchase · Description of the problem · Hardware and software configuration information for your system Note: For the latest list of customer support center telephone numbers and hours of operation, visit the Support Web site at http://consumersupport. lenovo. com. If the number for your country or region is not listed, contact your Lenovo reseller or Lenovo marketing representative. 62 Appendix A. Getting help and service Getting help around the world ---------------------------------------------If you travel with your computer or relocate it to a country where your Lenovo machine type is sold, your computer might be eligible for International Warranty Service, which automatically entitles you to obtain warranty service throughout the warranty period. Service will be performed by service providers authorized to perform warranty service. Service methods and procedures vary by country, and some services might not be available in all countries. Service centers in certain countries might not be able to service all models of a particular machine type. In some countries, fees and restrictions might apply at the time of service. To determine whether your computer is eligible for International Warranty Service and to view a list of the countries where service is available, go to http://consumersupport. lenovo. com. Lenovo warranty service telephone numbers ------------Warranty Service Telephone Numbers A list of warranty service telephone numbers is available at www. lenovo. com/support/phone. For the latest warranty service number in a country or region, please contact Lenovo, or your reseller in your country or region. 63 Appendix B. Use and care information Caring for your computer -------------------------------------------------------Though your computer is designed to function reliably in normal work environments, you need to use common sense in handling it. By following these important tips, you will get the most use and enjoyment out of your computer. Be careful about where and how you work. · Do not eat or smoke over your keyboard. Particles that fall into your keyboard can cause damage. · Store packing materials safely out of the reach of children to prevent the risk of suffocation from plastic bags. · Keep your computer away from magnets, activated cellular phones, electrical appliances, or speakers (within 13 cm or 5 in). · Avoid subjecting your computer to extreme temperatures (below 5°C/ 41°F or above 35°C/95°F). · Some appliances, such as certain portable desktop fans or air purifiers, can produce negative ions. If a computer is close to such an appliance, and is exposed for an extended time to air containing negative ions, it may become electrostatically charged. Such a charge may be discharged through your hands when you touch the keyboard or other parts of the computer, or through connectors on I/O devices connected to it. Even though this kind of electrostatic discharge (ESD) is the opposite of a 64 Appendix B. [. . . ] 91 K Keyboard Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Using . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 118 Index L Lenovo Limited Warranty . . . . . . . . . . . . . . . . . [. . . ]