Lenovo B450 Lenovo B450 User Guide V1.0 - Page 7
Contents, Appendix A. Getting help - battery
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Contents Important safety information...... iii Important safety information ....iii Chapter 1. Getting to know your computer 1 Top view 1 Left-side view 3 Right-side view 4 Front view 5 Bottom view 6 Chapter 2. Learning the basics 8 First use 8 Using AC adapter and battery 11 Using the touchpad 14 Using the keyboard 15 Special keys and buttons........... 18 System status indicators 19 Securing your computer 20 Connecting external devices..... 22 Chapter 3. Using the Internet .... 24 Wired connection 24 Wireless connection 26 Chapter 4. OneKey Rescue System 28 OneKey Rescue System 28 Chapter 5. Troubleshooting .......31 Frequently Asked Questions ....31 Troubleshooting 34 Chapter 6. Upgrading and replacing devices 42 Replacing the battery 42 Replacing the hard disk drive 44 Replacing memory 48 Removing the optical drive ......52 Appendix A. Getting help and service 54 Getting help on the Web ...........55 Calling the customer support center 55 Getting help around the world 58 Lenovo warranty service telephone numbers 58 i
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