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Lenovo B450 manual

Models: B450

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•If the computer does not return from sleep mode, it may have entered hibernation mode automatically because the battery is depleted. Check the power indicator.

Chapter 5. Troubleshooting

The computer does not return from sleep mode and does not work.

•If the computer does not return from sleep mode, it may have entered hibernation mode automatically because the battery is depleted. Check the power indicator.

•If your computer is in sleep mode connect the AC adapter to the computer, then press any key or the power button.

•If your computer is in hibernation mode or power-off state. Connect the AC adapter to the computer, then press the power button to resume operation.

Note: If the system still does not return from sleep mode, your system has stopped responding, and you cannot turn off the computer, reset the computer. However, unsaved data may be lost. To reset the computer, press and hold the power button for 4 seconds or more. If the computer is still not reset, remove the AC adapter and the battery.

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Lenovo B450 manual

Contents

User Guide Lenovo B450First Edition July Copyright Lenovo Dear user Respective UsersExplanation of hard disk capacity Page Page Contents Notice on deleting data from Important safety information Important safety information„Read this first Important safety information UnpackDanger Danger Important safety informationWorking place DangerDanger Important safety informationOn using DangerDo NOT wrap the power cord around the power adapter or other objects Important safety information Service and upgradesviii Chapter 1. Getting to know your computer b c dTop view Chapter 1. Getting to know your computer jack Left-sideviewChapter 1. Getting to know your computer a b c d e fReads/Burns optical disks Right-sideviewOptical drive USB portsChapter 1. Getting to know your computer wireless deviceswitch wireless devices on your computerBottom view Fan louvers Battery packBattery latch - spring loaded Chapter 1. Getting to know your computerChapter 2. Learning the basics „Connect to the power„Read the manuals Putting your computer into sleep state „Configure the operating system„Turn on the computer Chapter 2. Learning the basics„Shutting down your computer Chapter 2. Learning the basicsStart menu Using AC adapter and battery „Checking battery status„Charging the battery „Removing the battery pack „Handling the battery Click button Using the touchpadChapter 2. Learning the basics Touchpad„Numeric keypad Using the keyboard„Function key combinations Enter sleep mode Special keys and buttons Chapter 2. Learning the basicsOneKey Rescue System button Chapter 2. Learning the basics System status indicatorsHard disk drive indicator Wireless communication indicator„Attaching a security lock not supplied Securing your computerscreen in BIOS setup utility „Using passwords„Using memory cards not supplied Connecting external devices„Connecting a universal serial bus USB device „Inserting a memory card„Removing a memory card Chapter 3. Using the Internet Wired connectionCable „Software configurationChapter 3. Using the Internet „Hardware connectionWi-Fi Wireless connectionSoftware configuration „Using Wi-Fispecific models onlyChapter 3. Using the Internet Enabling wireless connectionOneKey Rescue System Chapter 4. OneKey Rescue System„Introduction Chapter 4. OneKey Rescue System Shut down your computer Frequently Asked Questions Chapter 5. TroubleshootingHow can I install the device drivers? Chapter 5. TroubleshootingWhere are the recovery discs? Where can I find warranty information?What can I do if the backup process fails? Troubleshooting Chapter 5. TroubleshootingDisplay problems A Password problem Chapter 5. TroubleshootingFn + Insert Chapter 5. TroubleshootingKeyboard problems Sleep or hibernation problemsIf the computer does not return from sleep mode, it may have entered hibernation mode automatically because the battery is depleted. Check the power indicator Computer screen problems Chapter 5. TroubleshootingA hard disk drive problem Chapter 5. TroubleshootingSound problems Battery problemsOther problems Chapter 5. TroubleshootingA startup problem OneKey Rescue System problemsDo not connect or disconnect any external device Replacing the battery Chapter 6. Upgrading and replacing devices„To replace the battery Chapter 6. Upgrading and replacing devices Replacing the hard disk drive Chapter 6. Upgrading and replacing devicesHandling a hard disk drive To replace the hard disk drive, do the following 5 Pull the tab in the direction shown by arrow 0Reinstall the compartment cover AReinstall the screws BReinstall the battery packChapter 6. Upgrading and replacing devices Replacing memory Chapter 6. Upgrading and replacing devices 6Press outwards on the latches on both edges of the socket at the same time, remove the SO-DIMM.Be sure to save the old SO-DIMMfor future use Page Gently pull the optical drive out Removing the optical driveTo remove the optical drive, do the following Remove the screw shown in the figureSetup Poster Appendix A. Getting help and service Calling the customer support center Getting help on the WebThe following items are not covered Machine Type and Model Getting help around the world Lenovo warranty service telephone numbersAppendix 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„Data safety „Take care in setting passwords„Other important tips Memory module „Ergonomic information Accessibility and comfort„Questions about vision? „What if you are traveling?„General tips for maintenance MaintenanceUpdate device drivers and BIOS when needed „Cleaning the cover of your computer „Cleaning your computer keyboard „Cleaning your computer display „What this warranty covers Appendix C. Lenovo limited warrantyAppendix C. Lenovo limited warranty „How to obtain warranty serviceinformation.” „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 Turkey address LENOVO TECHNOLOGY B.V. TURKIYE ISTANBUL SUBESIPosta Kodu Tel Fax Warranty information „Types of warranty service Appendix C. Lenovo limited warranty1 Customer Replaceable Unit “CRU” Service 4Customer Carry-Inor Mail-InService Appendix C. Lenovo limited warranty2On-siteService 3Courier or Depot Service5Product Exchange Service Appendix C. Lenovo limited warrantyAppendix D. Customer replaceable units CRUs Appendix D. Customer replaceable units CRUs 1009 Think Place - Building One Morrisville, NC Appendix E. NoticesNotices Lenovo United States, IncAppendix E. Notices „Export classification notice Wireless related information „Wireless interoperability„Usage environment and your health „Safety information related to Mobile Broadband 3Use of mobile devices on board aircraft is explicitly prohibited by many airlines companies, especially during take-offand landing. The built-inMobile Broadband module on your computer is a low-powerradio transceiver. When it is turned on, it intermittently receives and transmits radio frequency RF energy which could cause interference with the operation of the airplane communication or navigation system. Refer to rules or regulations of your airline company for Mobile Broadband use. Never enable Mobile Broadband feature on your computer unless you are explicitly permitted to do so „Federal Communications Commission FCC Statement Electronic emissions noticesResponsible party „German Class B Compliance Statement Deutschland Page „Lenovo Product Service Information „Japanese VCCI Class B StatementAppendix E. Notices „Korea Class B „General recycling statement Turkish statement of complianceTürkiye EEE Yönetmeliğine Uygunluk Beyanı WEEE and recycling statementsEU WEEE statements Japan recycling statements „Disposing of a Lenovo Computer Components Notice for users in the U.S.A Notice on deleting data from your hard diskFormat your hard disk, using the software for initializing it System Appendix F. Features and SpecificationsModel Name Lenovo B450 Form FactorRJ-45port Appendix F. Features and SpecificationsI/O Ports USB 2.0 x 4 portsTrademarks Index Index Interoperability Warranty informationIf your product is not working correctly LENOVODO NOT RETURN IT TO THE STORE New World. New Thinking.TM