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©Lenovo China 2009
K23 User Guide V1.0 cover_1-4
Lenovo
K23
User Guide V1.0
TM
New World. New Thinking.
www.lenovo.com
P/N: 147002466
Printed in China
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K23 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 XP. 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 computer
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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 .........................................36 OneKey Rescue System .............36 Chapter 1. Getting to know your computer....................................... 1 Chapter 5. Troubleshooting .......39 Top view........................................1 Frequently asked questions ......39 Left-side view ............................... 4 Troubleshooting .........................42 Ri
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Contents Appendix C. Lenovo limited Appendix F. Features and warranty ...................................... 77 specifications ........................... 125 Warranty information ............... 87 Trademarks............................... 127 Appendix D. Customer replaceable Index.......................................... 128 units (CRUs)................................ 91 Appendix E. Notices................... 93 Notices......................................... 93 Lenovo License Agreement..
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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 77. 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 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ab c d ef a g h i j k l c m 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 180 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. Speakers The stereo speakers provide rich and powerful sound. Power button Press this button to turn on the computer. System status For details, see “System status indicators” on page 22. indicators OneKey Rescue Pre
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Chapter 1. Getting to know your computer With the fingerprint reader you can register fingerprints 11 Fingerprint and use them as passwords to secure your computer. reader The touchpad functions as a conventional mouse. 12 Touchpad Note: For details, see “Using the touchpad” on page 16. The built-in microphone (with noise reduction) can be used 13 Built-in for video conferencing, voice narration, or simple audio microphone recordings. 3
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Chapter 1. Getting to know your computer Left-side view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - a bc d e Dissipate internal heat. Fan louvers Note: Make sure that none of the fan louvers are blocked or else overheating of the computer may occur. Connects to external display devices. VGA port Connects to an Ethernet network. RJ-45 port Note: For details, see “Wired connection
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Chapter 1. Getting to know your computer Right-side view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ab c d Microphone jack Connects to an external microphone. Headphone jack Connects to an external headphone. Attention: � Listening to music at high volume over extended periods of time may damage your hearing. Connects to USB devices. USB port Note: For details, see “Connecting a univer
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Chapter 1. Getting to know your computer Front view - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - a b c Display latch Release this latch to open the display. Memory card slot Insert memory cards (not supplied) here. Note: For details, see “Using memory cards (not supplied)” on page 25. Integrated Use this switch to turn on/off the wireless radio of all wireless de
