Contents | Lenovo K23 specification

Contents
Important safety information	iii
Important safety information ....	iii
Chapter 1. Getting to know your
computer	1
Top view	1
Left-side view	4
Right-side view	5
Front view	6
Rear view	7
Bottom view	8
Chapter 2. Learning the
basics	10
First use	10
Using AC adapter and
battery	13
Using the touchpad	16
Using the keyboard	17
Special buttons	20
System status indicators	22
Securing your computer	23
Connecting external devices	25
Chapter 3. Using the Internet ....	29
Wired connection	29
Wireless connection	31

Chapter 4. OneKey Rescue
System	36
OneKey Rescue System	36
Chapter 5. Troubleshooting	39
Frequently asked questions	39
Troubleshooting	42
Chapter 6. Upgrading and
replacing devices	50
Replacing the battery	50
Replacing the hard disk
drive	52
Replacing memory	55
Appendix A. Getting help and
service	59
Getting help on the Web	60
Calling the customer support
center	60
Getting help around the
world	63
Lenovo warranty service
telephone numbers	63
Appendix B. Use, and care
Information	64
Caring for your computer	64
Accessibility and comfort	70
Maintenance	72

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Lenovo K23 manual Contents

Contents

Lenovo K23 First Edition July Copyright Lenovo Respective Users Explanation of hard disk capacity Page Page Contents 127 Contents Appendix C. Lenovo limitedAppendix F. Features 125 Iii Important safety informationImportant safety information „ Read this first Important safety information Unpack Important safety information Working place Important safety information On using Vii Important safety information Viii Important safety information Service and upgrades Getting to know your computer Getting to know your computer Built-in TouchpadMicrophone ESATA/USB Left-side viewCombo port USB port Right-side view Integrated Wireless deviceSwitch Display latch Adapter jack AC power Bottom view Battery latch manual Battery pack „ Read the manuals „ Connect to the powerInstall the battery pack Learning the basics Putting your computer into standby/sleep state „ Configure the operating system„ Turn on the computer Learning the basics „ Shutting down your computer „ Checking battery status Using AC adapter and battery„ Charging the battery „ Removing the battery pack „ Handling the battery Left click button Using the touchpad „ Numeric keypad Using the keyboard „ Function key combinations Learning the basics Special buttons Custom button Learning the basics Mute buttonOneKey Rescue System button C d System status indicators „ Attaching a security lock not supplied Securing your computer „ Fingerprint reader „ Using passwords „ Using memory cards not supplied Connecting external devices „ Inserting a memory card „ Connecting an ExpressCard device„ Removing a memory card Removing an ExpressCard/34 device Learning the basics Inserting an ExpressCard/34 device Enabling Bluetooth communications on your computer „ Connecting a universal serial bus USB device Wired connection Using the Internet Cable „ Software configurationUsing the Internet „ Hardware connection Wi-Fi Wireless connection Hardware connection „ Using Wi-Fi/WiMax specific models onlyEnabling wireless connection Software configuration „ Using Mobile Broadband specific models only Inserting the SIM card Using the Internet OneKey Rescue System OneKey Rescue System„ Introduction OneKey Rescue System OneKey Rescue System Frequently asked questions Troubleshooting Where are the recovery discs? Troubleshooting When do I need to restore the system to the factory status? Display problems Troubleshooting Computer is on Password problem Standby or hibernation problems Troubleshooting Keyboard problems Computer does not return from standby mode and does not work Screen is blank Troubleshooting Computer screen problems Battery problems Troubleshooting Sound problemsHard disk drive problem OneKey Rescue System problems Troubleshooting Startup problemOther problems Connected external „ To replace the battery Replacing the batteryUpgrading and replacing devices Upgrading and replacing devices Handling a hard disk drive Replacing the hard disk drive Upgrading and replacing devices Upgrading and replacing devices Replacing memory Upgrading and replacing devices Upgrading and replacing devices Upgrading and replacing devices Appendix A. Getting help and service Getting help on the Web Appendix A. Getting help and service Appendix A. Getting help and service Appendix A. Getting help and service Getting help around the world Warranty Service Telephone Numbers Appendix B. Use, and care Information „ Be careful about where and how you workCaring for your computer Appendix B. Use, and care Information „ Notice of static-electricity „ Carry your computer properly „ Be gentle with your computer „ Handle storage media and drives properly „ For outdoor use „ Take care in setting passwords „ Data safety„ Other important tips Appendix B. Use, and care Information „ Ergonomic information Accessibility and comfort „ Questions about vision? „ What if you are traveling? „ General tips for maintenance Maintenance Appendix B. Use, and care Information „ Cleaning the cover of your computer „ Cleaning your computer keyboard „ Cleaning your computer display „ What this warranty covers Appendix C. Lenovo limited warranty „ What your service provider will do to correct problems „ How to obtain warranty serviceAppendix C. Lenovo limited warranty Information „ Replacement of a product or part „ Use of personal information „ Your additional responsibilities „ What this warranty does not cover „ Limitation of liability „ Dispute resolution „ European Economic Area EEA „ Other rights Lenovo Technology B.V. Turkiye Istanbul Subesi „ Lenovo Turkey address Warranty information Customer Replaceable Unit CRU Service „ Types of warranty service Courier or Depot Service Appendix C. Lenovo limited warranty On-site ServiceCustomer Carry-In or Mail-In Service Appendix C. Lenovo limited warranty Product Exchange Service Appendix D. Customer replaceable units CRUs Appendix D. Customer replaceable units CRUs Appendix E. Notices Appendix E. Notices „ Export classification notice Lenovo License Agreement License Entitlement Transferability Software Product Specifications 100 No WarrantyAppendix E. Notices Charges Appendix E. Notices Limitation of Liability 101 Appendix E. Notices Consumer Rights 102General 103 Appendix E. Notices Dispute Resolution 104 Energy Star model information Windows XP 105Windows 106 107 108 „ Wireless interoperability 109 „ Usage environment and your health 110 „ Safety information related to Mobile Broadband 111 „ Federal Communications Commission FCC Statement Electronic emissions notices112 113 „ Industry Canada Class B Emission Compliance Statement „ German Class B Compliance Statement „ Avis de conformité à la réglementation d’Industrie Canada114 115 116 „ European Union Compliance Statement Class B Compliance 117 „ Korea Class B „ Japan Compliance Statement for Power line Harmonics118 „ General recycling statement Weee and recycling statements119 120 EU Weee statements 121 Japan recycling statements 122 „ Disposing of a Lenovo Computer Components 123 124 Form Factor Appendix F. Features and specifications125 Model Name K23 126 Appendix F. Features and specifications PortsOthers Trademarks 127 128 Index Index 129 130 If your product is not working correctly Do not Return IT to the Store New World. New Thinking.TM