„ a password problem, „ Keyboard problems | Lenovo Y450 instruction

Chapter 4. Troubleshooting

A password problem

I forgot my password.

If you forgot your user password, you must take your computer to a Lenovo authorized servicer or a marketing representative to have the password canceled.

If you forgot your HDD password, Lenovo authorized servicer cannot reset your password or recover data from the hard disk. You must take your computer to a Lenovo authorized servicer or a marketing representative to have the hard disk drive replaced. Proof of purchase is required, and a fee will be charged for parts and service.

If you forget your supervisor password, Lenovo authorized servicer cannot reset your password. You must take your computer to a Lenovo authorized servicer or a marketing representative to have the system board replaced. Proof of purchase is required, and a fee will be charged for parts and service.

Keyboard problems

A number appears when you enter a letter.

The numeric lock function is on. To disable it, press Fn + F8.

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Lenovo Y450 manual „ a password problem, „ Keyboard problems, Forgot my password, Number appears when you enter a letter

Contents

Lenovo IdeaPad Y450 Page Energy Star model information Page Explanation of hard disk capacity Page Contents 108 Contents107 129 Iii110 Getting to know your computer Top view Getting to know your computer Wireless LAN antennas Speakers System status indicatorsPower button Array microphone built-in Left-side view Getting to know your computer Getting to know your computer Security keyhole Fan louvers Right-side view AC power adapter jack Front view Getting to know your computer System status indicators Integrated wireless device switch Bottom view Getting to know your computer Battery latch spring loaded Battery latch manual Using your computer Using the touchpad Using your computer „ GesturesChiralMotion Pinch „ Palm Check Using the keyboard „ Numeric keypad „ Function key combinations Using your computer Special keys and buttons „ Touch inductive panel with multi-media buttons Using your computer SlideBar OneKey Theater Using the optical drive „ OneKey Rescue System button Using memory cards „ Inserting a memory card „ Removing a memory card Using Lenovo remote specific models only Using the integrated camera Using the Internet „ Using RJ-45 port „ Using wireless LAN Securing your computer „ Attaching a security lock optional „ Using VeriFace „ Using passwords „ Checking battery status Installing device driversUsing battery and AC adapter „ Using the AC adapter „ Charging the battery „ Handling the battery Using external devices Connecting a Universal Serial Bus USB device Using external devices Connecting an eSATA device Connecting an Ieee 1394 device Connecting an ExpressCard/34 device „ Inserting an ExpressCard device „ Removing an ExpressCard device Connecting an external display „ Connecting a VGA monitor „ Connecting an Hdmi monitor Connecting a headphone and audio device Using external devices Connecting an external microphone Connecting Bluetooth enabled devices specific models only „ Enabling Bluetooth communications Troubleshooting Frequently asked questions Troubleshooting Where are the recovery discs? When I turn on the computer, nothing appears on the screen Troubleshooting„ Display problems My screen goes blank while the computer is on „ a password problem „ Keyboard problemsForgot my password Number appears when you enter a letter „ Sleep or hibernation problems Computer enters sleep mode unexpectedly „ Computer screen problems Screen is blank Troubleshooting Screen is unreadable or distorted Incorrect characters appear on the screen „ Sound problems „ Battery problemsOperating time for a fully charged battery is short Computer does not operate with a fully charged battery „ a hard disk drive problem „ a startup problemTroubleshooting Battery does not charge Hard disk drive does not work Computer does not start from a device you want „ Other problemsYour computer does not respond Getting help and service Getting help and service Getting help and service Getting help on the Web Getting help and service Getting help and service Getting help around the world Safety, use, and care information Important safety information Safety, use, and care information „ Conditions that require immediate action „ Safety guidelines „ Service and upgrades „ Power cords and power adapters Safety, use, and care information „ Extension cords and related devices „ Plugs and outlets „ Power supply statement „ Lithium coin cell battery notice „ Heat and product ventilation Safety, use, and care information „ CD and DVD drive safety „ Electrical current safety information Safety, use, and care information „ Laser compliance statement Safety, use, and care information „ Liquid Crystal Display LCD notice „ Be careful about where and how you work Caring your computer Safety, use, and care information Safety, use, and care information „ For outdoor use „ Be gentle with your computer„ Carry your computer properly „ Data safety „ Handle storage media and drives properly „ Take care in setting passwords „ Other important tips „ Cleaning the cover of your computer „ Cleaning your computer keyboard Accessibility and comfort „ Cleaning your computer display „ Ergonomic information Safety, use, and care information „ Questions about vision? Maintenance„ What if you are traveling? „ General tips for maintenance Safety, use, and care information Safety, use, and care information Appendix A. Lenovo limited warranty „ What this warranty covers Appendix A. Lenovo limited warranty „ How to obtain warranty service„ What your Service Provider will do to correct problems „ Replacement of a product or part Warranty Information „ Your additional responsibilities „ Use of personal information „ What this warranty does not cover „ Limitation of liability „ Dispute resolution „ Other rights „ European Economic Area EEA „ Suplemento de Garantía para México 100 Warranty Information 101 102 „ Types of warranty serviceCustomer Replaceable Unit CRU service On-site service Courier or depot serviceCustomer carry-in or mail-in service 103 Product exchange service 104 Warranty service telephone numbers 105 106 Appendix B. Customer Replaceable Units CRUs 107 108 Appendix C. SpecificationsEnvironment ƒ Temperature 109 Appendix C. SpecificationsBattery pack Appendix D. Notices 110 111 Appendix D. Notices 112 „ Export classification notice„ Television output notice „ Wireless interoperability 113 114 „ Usage environment and your health 115 116 Electronic emissions notices„ Federal Communications Commission FCC statement 117 „ Industry Canada Class B emission compliance statement„ Avis de conformité à la réglementation d’Industrie Canada „ German Class B compliance statement 118 119 „ European Union compliance statement Class B compliance 120 „ Korea Class B 121 122 Weee and recycling statements„ General recycling statement EU Weee statements 123 Japan recycling statements 124 „ Disposing of a Lenovo computer components 125 126 127 128 Index 129 Problems 130 131 Index Do not Return IT to the Store If your product is not working correctly New World. New Thinking.TM