Lenovo K23 manual

Chapter 5. Troubleshooting

When do I need to restore the system to the factory status?

You can use this feature when your system fails or you need to re-install your operating system. This will restore your computer back to the initial status when you first booted up your computer after receiving it from the store. If there is critical data on your current partition, back it up before you run this recovery feature.

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Lenovo K23 manual When do I need to restore the system to the factory status?

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