Lenovo B50-45 User Guide - Lenovo B40-xx, B50-xx, B50-30 Touch Notebook - Page 5

Contents Chapter 1. Getting to know your computer 1 Top view ...1 Left‐side view ...6 Right‐side view...10 Front view ...12 Bottom view ...14 Chapter 2. Learning the basics 15 Configuring the operating system for the first time 15 Putting the computer to sleep or shutting it down 15 Connecting to a wireless network 16 Help and support ...17 Operating system interfaces (for the Windows 8.1 operating system 18 Charms and the charms bar (for the Windows 8.1 operating system 19 Chapter 3. Lenovo OneKey Recovery system 21 Chapter 4. Troubleshooting 23 Frequently asked questions 23 Troubleshooting ...26 Appendix A. CRU instructions 30 Replacing the battery pack 31 Replacing the hard disk drive 32 Replacing the memory 35 Replacing the wireless LAN card 38 Replacing the optical drive 40 Replacing the keyboard 42 Trademarks 45 i