Viii | Lenovo K23 guide

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 install options or replace units (CRUs). Closely follow all instructions when installing or replacing parts.

Disconnect the attached power cords, battery pack, and all the cables before you open the device covers, unless instructed otherwise in the installation and configuration procedures.

Keep the covers closed whenever the computer is plugged in.

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Lenovo K23 manual Viii, Important safety information Service and upgrades

Contents

Lenovo K23 First Edition July Copyright Lenovo Respective Users Explanation of hard disk capacity Page Page Contents 125 Contents Appendix C. Lenovo limitedAppendix F. Features 127 „ Read this first Important safety informationImportant safety information Iii Important safety information Unpack Important safety information Working place Important safety information On using Important safety information Vii Important safety information Service and upgrades Viii Getting to know your computer Getting to know your computer Microphone TouchpadBuilt-in Combo port Left-side viewESATA/USB Right-side view USB port Display latch Wireless deviceSwitch Integrated AC power Adapter jack Bottom view Battery pack Battery latch manual Learning the basics „ Connect to the powerInstall the battery pack „ Read the manuals Learning the basics „ Configure the operating system„ Turn on the computer Putting your computer into standby/sleep state „ Shutting down your computer „ Charging the battery Using AC adapter and battery„ Checking battery status „ Removing the battery pack „ Handling the battery Using the touchpad Left click button Using the keyboard „ Numeric keypad „ Function key combinations Learning the basics Special buttons OneKey Rescue System button Learning the basics Mute buttonCustom button System status indicators C d Securing your computer „ Attaching a security lock not supplied „ Using passwords „ Fingerprint reader Connecting external devices „ Using memory cards not supplied „ Removing a memory card „ Connecting an ExpressCard device„ Inserting a memory card Learning the basics Inserting an ExpressCard/34 device Removing an ExpressCard/34 device „ Connecting a universal serial bus USB device Enabling Bluetooth communications on your computer Using the Internet Wired connection „ Hardware connection „ Software configurationUsing the Internet Cable Wireless connection Wi-Fi Software configuration „ Using Wi-Fi/WiMax specific models onlyEnabling wireless connection Hardware connection „ Using Mobile Broadband specific models only Inserting the SIM card Using the Internet „ Introduction OneKey Rescue SystemOneKey Rescue System OneKey Rescue System OneKey Rescue System Troubleshooting Frequently asked questions Troubleshooting Where are the recovery discs? When do I need to restore the system to the factory status? Troubleshooting Display problems Password problem Computer is on Troubleshooting Keyboard problems Standby or hibernation problems Computer does not return from standby mode and does not work Troubleshooting Computer screen problems Screen is blank Hard disk drive problem Troubleshooting Sound problemsBattery problems Other problems Troubleshooting Startup problemOneKey Rescue System problems Connected external Upgrading and replacing devices Replacing the battery„ To replace the battery Upgrading and replacing devices Replacing the hard disk drive Handling a 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 Appendix A. Getting help and service Getting help on the Web Appendix A. Getting help and service Appendix A. Getting help and service Warranty Service Telephone Numbers Getting help around the world Caring for your computer „ Be careful about where and how you workAppendix B. Use, and care Information „ Notice of static-electricity Appendix B. Use, and care Information „ Be gentle with your computer „ Carry your computer properly „ For outdoor use „ Handle storage media and drives properly „ Other important tips „ Data safety„ Take care in setting passwords Appendix B. Use, and care Information Accessibility and comfort „ Ergonomic information „ What if you are traveling? „ Questions about vision? Maintenance „ General tips for maintenance Appendix B. Use, and care Information „ Cleaning the cover of your computer „ Cleaning your computer keyboard „ Cleaning your computer display Appendix C. Lenovo limited warranty „ What this warranty covers Appendix C. Lenovo limited warranty „ How to obtain warranty service„ What your service provider will do to correct problems Information „ Replacement of a product or part „ Your additional responsibilities „ Use of personal information „ What this warranty does not cover „ Limitation of liability „ Dispute resolution „ Other rights „ European Economic Area EEA „ Lenovo Turkey address Lenovo Technology B.V. Turkiye Istanbul Subesi Warranty information „ Types of warranty service Customer Replaceable Unit CRU Service Customer Carry-In or Mail-In Service Appendix C. Lenovo limited warranty On-site ServiceCourier or Depot 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 Entitlement License Transferability Software Product Specifications Appendix E. Notices Charges No Warranty100 101 Appendix E. Notices Limitation of Liability General 102Appendix E. Notices Consumer Rights Appendix E. Notices Dispute Resolution 103 Energy Star model information 104 Windows 105Windows XP 106 107 „ Wireless interoperability 108 „ Usage environment and your health 109 „ Safety information related to Mobile Broadband 110 111 112 Electronic emissions notices„ Federal Communications Commission FCC Statement „ Industry Canada Class B Emission Compliance Statement 113 114 „ Avis de conformité à la réglementation d’Industrie Canada„ German Class B Compliance Statement 115 „ European Union Compliance Statement Class B Compliance 116 117 118 „ Japan Compliance Statement for Power line Harmonics„ Korea Class B 119 Weee and recycling statements„ General recycling statement EU Weee statements 120 Japan recycling statements 121 „ Disposing of a Lenovo Computer Components 122 123 124 Model Name K23 Appendix F. Features and specifications125 Form Factor Others Appendix F. Features and specifications Ports126 127 Trademarks Index 128 129 Index 130 Do not Return IT to the Store If your product is not working correctly New World. New Thinking.TM