Lenovo B4400 (English) User Guide - Page 3

Contents Chapter 1. Getting to know your computer 1 Top view ...1 Left-side view ...5 Right-side view...8 Front view ...9 Bottom view ...11 Chapter 2. Starting to use Windows 12 Configuring the operating system for the first time 12 Operating system interfaces 12 Power-saving modes 15 Connecting to a wireless network 17 Help and support ...18 Chapter 3. Lenovo recovery system 19 Windows 7 recovery system 19 Windows 8.1 recovery system 21 Chapter 4. Troubleshooting 22 Frequently asked questions 22 Troubleshooting ...25 Appendix. CRU (Customer Replaceable Units) instructions 29 Replacing the battery 29 Replacing the backup battery 31 Replacing the hard disk drive 33 Replacing memory ...37 Replacing the Mini PCI Express Card 40 Removing the optical drive 42 Trademarks 44 i