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Lenovo Y450 manual „A password problem, „Keyboard problems, Troubleshooting, I forgot my password

Models: Y450

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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.

Page 56

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Lenovo Y450 manual „A password problem, „Keyboard problems, Troubleshooting, I forgot my password

Contents

Lenovo IdeaPad Y450 User GuideFirst Edition November Copyright Lenovo 2009. All rights reservedENERGY STAR model information Power plan Balanced Advanced power settingsWindows XP Windows VistaExplanation of hard disk capacity Page Contents Chapter 2. Using your computerChapter 3. Using external devices Chapter 1. Getting to know your computerContents Chapter 4. TroubleshootingChapter 6. Safety, use, and care information Appendix C. SpecificationsIndex ContentsAppendix D. Notices Chapter 1. Getting to know your computer Top viewWireless LAN antennas System status indicatorsPower button Chapter 1. Getting to know your computerLeft-sideview Chapter 1. Getting to know your computerChapter 1. Getting to know your computer Security keyholeFan louvers overheating of the computer may occurRight-sideview Chapter 1. Getting to know your computerAC power adapter jack IEEE 1394 connectorChapter 1. Getting to know your computer eSATA portFront view Chapter 1. Getting to know your computerSystem status indicators Integrated wireless device switchChapter 1. Getting to know your computer Microphone jack externalBottom view Chapter 1. Getting to know your computerBattery latch - spring loaded Battery latch - manualBattery pack Chapter 1. Getting to know your computerY450 Chapter 2. Using your computerUsing the touchpad Chapter 2. Using your computer „GesturesChiralMotion PinchChapter 2. Using your computer „Palm Check„Numeric keypad Using the keyboardChapter 2. Using your computer Chapter 2. Using your computer „Function key combinationsChapter 2. Using your computer Increase/decrease computer volumeFn + PrtSc/SysRq System request Fn +„Touch inductive panel with multi-mediabuttons Chapter 2. Using your computerSpecial keys and buttons Chapter 2. Using your computer Open Dolby function setup screenMute/unmute the sound Decrease computer volume Increase computer volumeUsing the optical drive Chapter 2. Using your computer„OneKey Rescue System button For details, see OneKey Rescue System User GuideUsing memory cards Chapter 2. Using your computer„Removing a memory card Chapter 2. Using your computer„Inserting a memory card Chapter 2. Using your computer Using Lenovo remote specific models onlyUsing the integrated camera Chapter 2. Using your computer Using the Internet„Using RJ-45port „Using wireless LAN Chapter 2. Using your computer„Attaching a security lock optional Chapter 2. Using your computerSecuring your computer Chapter 2. Using your computer „Using VeriFace„Using passwords Installing device drivers Using battery and AC adapter„Checking battery status Chapter 2. Using your computer„Using the AC adapter Chapter 2. Using your computer„Charging the battery Chapter 2. Using your computer„Handling the battery Chapter 2. Using your computerDanger DangerChapter 3. Using external devices Connecting a Universal Serial Bus USB deviceChapter 3. Using external devices Connecting an eSATA device Chapter 3. Using external devicesConnecting an IEEE 1394 device Chapter 3. Using external devicesConnecting an ExpressCard/34 device Chapter 3. Using external devices„Removing an ExpressCard device Chapter 3. Using external devices„Inserting an ExpressCard device Chapter 3. Using external devices Connecting an external display„Connecting a VGA monitor „Connecting an HDMI monitor Chapter 3. Using external devicesConnecting a headphone and audio device Chapter 3. Using external devicesChapter 3. Using external devices Listening to music at high volume over extended periods of time may damage your hearingConnecting an external microphone Chapter 3. Using external devices„Enabling Bluetooth communications Chapter 3. Using external devicesChapter 4. Troubleshooting Frequently asked questionsChapter 4. Troubleshooting Where are the recovery discs?Where can I find warranty information? How can I contact the Customer Support Center?Chapter 4. Troubleshooting Troubleshooting„Display problems Chapter 4. Troubleshooting My screen goes blank while the computer is on„A password problem „Keyboard problemsChapter 4. Troubleshooting I forgot my passwordThe computer enters sleep mode unexpectedly „Sleep or hibernation problemsChapter 4. Troubleshooting The screen is blank „Computer screen problemsChapter 4. Troubleshooting Incorrect characters appear on the screen Chapter 4. TroubleshootingThe screen is unreadable or distorted Chapter 4. Troubleshooting „Sound problems„Battery problems „A hard disk drive problem „A startup problemChapter 4. Troubleshooting The battery does not chargeYour computer does not respond „Other problemsChapter 4. Troubleshooting Chapter 5. Getting help and service Getting help and serviceGetting help on the Web Calling the Customer Support CenterChapter 5. Getting help and service Chapter 5. Getting help and service The following items are not coveredChapter 5. Getting help and service ƒMachine Type and ModelChapter 5. Getting help and service Getting help around the worldChapter 6. Safety, use, and care information Important safety informationChapter 6. Safety, use, and care information „Conditions that require immediate action„Safety guidelines Chapter 6. Safety, use, and care informationDanger „Service and upgradesChapter 6. Safety, use, and care information Danger „Power cords and power adaptersChapter 6. Safety, use, and care information Chapter 6. Safety, use, and care information terminals and/or the connector terminals on a power adapter, which can eventually result in overheatingChapter 6. Safety, use, and care information „Extension cords and related devices„Plugs and outlets DangerDanger „Power supply statementChapter 6. Safety, use, and care information Danger „Lithium coin cell battery noticeChapter 6. Safety, use, and care information Danger Chapter 6. Safety, use, and care information„Heat and product ventilation Chapter 6. Safety, use, and care information ƒDo not restrict or block any ventilation openingsDanger „CD and DVD drive safetyChapter 6. Safety, use, and care information Danger „Electrical current safety informationChapter 6. Safety, use, and care information Chapter 6. Safety, use, and care information To connect 1.Turn everything OFFChapter 6. Safety, use, and care information „Laser compliance statementChapter 6. Safety, use, and care information When a CD or DVD drive is installed, note the following handling instructionsDanger DangerChapter 6. Safety, use, and care information „Liquid Crystal Display LCD noticeCaring your computer „Be careful about where and how you workChapter 6. Safety, use, and care information Chapter 6. Safety, use, and care information ƒPlace liquids away from your computer to avoid spills, and keep your computer away from water to avoid the danger of electrical shockChapter 6. Safety, use, and care information Prevent others from touching componentsChapter 6. Safety, use, and care information „Be gentle with your computer„Carry your computer properly „For outdoor use„Handle storage media and drives properly „Data safetyChapter 6. Safety, use, and care information „Other important tips „Take care in setting passwordsChapter 6. Safety, use, and care information „Cleaning the cover of your computer Chapter 6. Safety, use, and care information„Cleaning your computer keyboard Chapter 6. Safety, use, and care informationChapter 6. Safety, use, and care information Accessibility and comfort„Cleaning your computer display Chapter 6. Safety, use, and care information „Ergonomic informationChapter 6. Safety, use, and care information General Posture Below are some general recommendations for assuming a healthy working posture. It is best to periodically make minor modifications in your working posture to deter the onset of discomfort caused by long periods of working in the same position. Frequent, short breaks from your work will also help to prevent any minor discomfort associated with your working postureMaintenance Chapter 6. Safety, use, and care information„What if you are traveling? „Questions about vision?„General tips for maintenance Chapter 6. Safety, use, and care informationChapter 6. Safety, use, and care information ƒBoot into the BIOS and load the default settingsChapter 6. Safety, use, and care information hardware component on your computer has its own specific driver. If you add a new component, the operating system needs to be instructed on how to operate that piece of hardware. After you install the driver, the operating system can recognize the hardware component and understand how to use itAppendix A. Lenovo limited warranty „What this warranty covers„How to obtain warranty service Appendix A. Lenovo limited warranty“Warranty Information.” „Replacement of a product or partAppendix A. Lenovo limited warranty „Use of personal information Appendix A. Lenovo limited warranty„Your additional responsibilities „What this warranty does not cover Appendix A. Lenovo limited warrantyAppendix A. Lenovo limited warranty „Limitation of liability„Dispute resolution Appendix A. Lenovo limited warranty„European Economic Area EEA Appendix A. Lenovo limited warranty„Other rights Appendix A. Lenovo limited warranty „Suplemento de Garantía para MéxicoAppendix A. Lenovo limited warranty Manufactured by China Shanghai, ChinaMarketed by CP TelWarranty Information Appendix A. Lenovo limited warranty1 Customer Replaceable Unit “CRU” service „Types of warranty serviceAppendix A. Lenovo limited warranty Appendix A. Lenovo limited warranty 2On-siteservice3Courier or depot service 4Customer carry-inor mail-inserviceAppendix A. Lenovo limited warranty 5Product exchange serviceWarranty service telephone numbers Lenovo warranty service telephone numbersAppendix A. Lenovo limited warranty Appendix A. Lenovo limited warranty South AfricaAppendix B. Customer Replaceable Units CRUs Appendix C. Specifications SpecificationsSize Environment ƒ TemperatureAppendix C. Specifications Battery packAppendix D. Notices Lenovo United States, Inc1009 Think Place - Building One Morrisville, NC U.S.A Attention Lenovo Director of LicensingAppendix D. Notices Appendix D. Notices „Export classification notice„Television output notice Appendix D. Notices Wireless related information„Wireless interoperability Appendix D. Notices ƒFile Transfer ƒSynchronization ƒAudio GatewayƒHeadset ƒPrinter ƒHuman Interface Devices Keyboard/Mouse„Usage environment and your health Appendix D. NoticesAppendix D. Notices Electronic emissions notices„Federal Communications Commission FCC statement Responsible party „German Class B compliance statement Appendix D. NoticesAppendix D. Notices Informationen in Hinsicht EMVG Paragraf 4 AbsAppendix D. Notices Appendix D. Notices „Japanese VCCI Class B statement„Korea Class B Appendix D. Notices WEEE and recycling statements„General recycling statement EU WEEE statements Appendix D. NoticesJapan recycling statements Appendix D. Notices„Disposing of a Lenovo computer components Appendix D. NoticesAppendix D. Notices Notice on deleting data from your hard diskNotice for users in the U.S.A ƒUsing the preinstalled recovery program, bring the hard disk back to factory-shipstate Appendix D. NoticesAppendix D. Notices TrademarksIndex Page Index DO NOT RETURN IT TO THE STORE If your product is not working correctlyLENOVO New World. New Thinking.TM Lenovo China P/N

A password problem

I forgot my password.

Keyboard problems

A number appears when you enter a letter.

A password problem

Keyboard problems