User ManualTable of ContentsImportant safety information9Important safety information9Chapter 1. Getting to know your computer15Top view15Left-side view18Right-side view19Bottom view20Chapter 2. Learning the basics22First use22Using AC adapter and battery25Using the touchpad28Using the keyboard31Connecting external devices34Switching GPU (Select models only)37Special keys and buttons39System status indicators41Securing your computer42Chapter 3. Using the Internet45Wired connection45Wireless connection47Chapter 4. OneKey Rescue system53OneKey Rescue system53Chapter 5. Troubleshooting56Frequently Asked Questions56Troubleshooting59Chapter 6. Upgrading and replacing devices67Replacing the battery67Replacing the hard disk drive69Replacing memory73Appendix A. Getting help and service78Getting help on the Web79Calling the customer support center79Getting help around the world82Lenovo warranty service telephone numbers82Appendix B. Use and care information83Caring for your computer83Accessibility and comfort89Maintenance91Appendix C. Lenovo limited warranty96Warranty information106Appendix D. Customer replaceable units (CRUs)110Appendix E. Notices112Notices112ENERGY STAR model information115Wireless related information117Electronic emissions notices121WEEE and recycling statements128Turkish statement of compliance128Türkiye EEE Yönetmeli²ine Uygunluk BeyanÆ128EU WEEE statements129Japan recycling statements130Notice for users in the U.S.A.132Notice on deleting data from your hard disk132Appendix F. Features and Specifications134Trademarks136Index137Size: 4.97 MBPages: 142Language: EnglishOpen manual