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©Lenovo China 2009
B450 User Guide V1.0 cover_1-4
Lenovo
B450
User Guide V1.0
TM
New World. New Thinking.
www.lenovo.com
P/N: 147002479
Printed in China
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B450 User Guide V1.0 cover_2-3 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 com
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Respective Users Dear user, Thanks for purchasing Lenovo notebook! Before using this product, please make sure to read this User Guide carefully. We are most honored to have you as our customer. In order to make sure you master the usage of Lenovo notebook soon, we have prepared this User Guide for you. This manual has been made very simple and comprehensive. In this manual, you can get information on the system configuration, installation steps and the basic operating systems. We strongly
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Explanation of hard disk capacity Dear user, While using your computer, you may find that the nominal hard disk capacity indicated is somewhat different from the disk capacity displayed by the operating system. For example, a nominal 40GB hard disk will appear as less than 40GB in the operating system. This discrepancy is not an error in hard disk installation nor any other problem, but a normal phenomenon of computers. This phenomenon is primarily due to the following reasons: I. Differen
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In addition, if a portion of the hard disk space has been used for some specific purpose, then the capacity indicated by the operating system will be even less than X × 0.931 G. II. A portion of the hard disk space is used for specific purposes Lenovo computers may come with preinstalled OneKey Rescue System, so the hard disk has a special portion partitioned before delivery, which is used to store hard disk mirror and OneKey Rescue System program files. The size of the reserved space for t
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Contents Important safety information...... iii Chapter 4. OneKey Rescue Important safety information ....iii System .........................................28 OneKey Rescue System .............28 Chapter 1. Getting to know your computer....................................... 1 Chapter 5. Troubleshooting .......31 Top view........................................1 Frequently Asked Questions ....31 Left-side view ............................... 3 Troubleshooting .........................34 Righ
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Contents Appendix B. Use and care Notice on deleting data from information.................................. 59 your hard disk .......................... 105 Caring for your computer ........ 59 Appendix F. Features and Accessibility and comfort ......... 65 Specifications........................... 107 Maintenance ............................... 67 Trademarks............................... 109 Appendix C. Lenovo limited Index.......................................... 110 warranty ...........
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Important safety information Important safety information - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - This information can help you safely use your notebook personal computer. Follow and retain all information included with your computer. The information in this document does not alter the terms of your purchase agreement or the Lenovo Limited Warranty. For more information, see “Appendix C. Lenovo limited warranty” on page 72. Read this first Personal
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Important safety information Unpack Inspect the covers of the computer and the AC adapter, especially parts with the following labels attached for any crack or damage. Danger: � Hazardous voltage, current, and energy levels are present inside any component that has this label attached. iv
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Important safety information Working place Do NOT use the computer in humid places such as a bathroom. Keep the computer and other parts away from liquids. Danger: � An electric shock may be caused by spilled liquid. Do NOT use the computer during a lightning storm. Attention: � Lightning storm may damage the computer and result in an electric shock. Keep a good ventilation of the computer and other parts. Danger: � Placing the working computer or other parts on a bed, sofa or other fl
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Important safety information On using Use ONLY the power cord, power adapter and battery pack shipped with the computer and never use them with another product. Be sure the power outlet is suitable for the plug and provides the correct voltage and current for the product you are installing. Danger: � An unsuitable power supply may damage your computer or cause an electric shock or fire. Do NOT use a power outlet, power cord, power adapter or battery pack that appears to be damaged or corro
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Important safety information Do NOT wrap the power cord around the power adapter or other objects. Do NOT squeeze or pinch the cord, or place heavy objects on it. Attention: � Stressing the cord may cause the cord to fray, crack or crimp which may present a safety hazard. Avoid keeping your hands, your lap, or any other part of your body in contact with a hot section of the working computer for any extended length of time. Attention: � Extended contact with your body, even through clothi
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Important safety information Service and upgrades Do NOT attempt to service a product yourself unless instructed to do so by the customer support center or your documentation. Attention: � DO NOT take risks or attempt to diagnose the situation yourself. Contact the customer support center for further guidance. For a list of service and support phone numbers, go to http://consumersupport.lenovo.com. Lenovo provides documentation with instructions when it is appropriate for customers to ins
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Chapter 1. Getting to know your computer Top view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - b c d a e f g d h Note: The illustrations in this manual may differ from the actual product. Please refer to the actual product. 1
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Chapter 1. Getting to know your computer Attention: • Do NOT open the display panel beyond 150 degree. When closing the display panel, be careful NOT to leave pens or any other objects in between the display panel and the keyboard. Otherwise, the display panel may be damaged. Speaker Press this button to turn on the computer. Power button Press this button to open OneKey Rescue System (If OneKey Rescue OneKey Rescue System has been preinstalled) when the System button computer is power
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Chapter 1. Getting to know your computer Left-side view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ab c de f Connect the AC adapter here. AC power adapter jack Note: For details, see “Using AC adapter and battery” on page 11. Connects to external display devices. VGA port RJ-45 port Connects to an Ethernet network. Note: For details, see “Wired connection” on page 24. Connects to
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Chapter 1. Getting to know your computer Right-side view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - a b c Reads/Burns optical disks. Optical drive Connects to USB devices. USB ports Note: For details, see “Connecting a universal serial bus (USB) device” on page 23. Kensington slot Attach a security lock (not supplied) here. Note: For details, see “Attaching a security lock (not supplied)
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Chapter 1. Getting to know your computer Front view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - a b Memory card slot Insert memory cards (not supplied) here. Note: For details, see “Using memory cards (not supplied)” on page 22. Use this switch to turn on/off the wireless radio of all Integrated wireless devices on your computer. wireless device switch 5
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Chapter 1. Getting to know your computer Bottom view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ab cd 6
