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Lenovo 57323748 c d e f, System status indicators, Learning the basics, a Caps lock indicator

Models: B550 57323748

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Chapter 2. Learning the basics

System status indicators------------------------------------------------------------------------------------------

These indicators inform you of the computer status.

a b	a Caps lock indicator
	b Num lock indicator
	c Power status indicator
	d Battery status indicator
	e Wireless communication indicator
	f Hard disk indicator

c d e f

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Lenovo 57323748, B550 c d e f, System status indicators, Learning the basics, a Caps lock indicator, b Num lock indicator

Contents

Lenovo B550 User GuideNotes First Edition January Copyright LenovoDear user Explanation of hard disk capacity Dear userChapter 1. Getting to know your ContentsAppendix F. Features and Chapter 6. Upgrading and replacing„Read this first Important safety informationImportant safety information DangerDanger Important safety informationCorrect usage procedures DangerService and upgrades Important safety informationDanger Chapter 1. Getting to know your computer Top viewc System status aPower buttonChapter 1. Getting to know your computer select models onlyb Fan louvers Chapter 1. Getting to know your computera Kensington slot c RJ-45portb Optical drive Chapter 1. Getting to know your computera USB port Right-sideviewaSpeakers bIntegrated wireless device switchChapter 1. Getting to know your computer cMicrophone jack dHeadphone jackd Battery latch a Battery latchb Battery pack Chapter 1. Getting to know your computer„Configuring the operating system Chapter 2. Learning the basics„Connecting to the power Installing the battery packChapter 2. Learning the basics „Shutting down your computerPutting your computer into sleep state „Charging the battery Using AC adapter and battery„Checking battery status „Removing the battery packChapter 2. Learning the basics „Handling the batteryUsing the touchpad a Touchpad„Function key combinations Using the keyboard„Numeric keypad Chapter 2. Learning the basicsEnter sleep mode Chapter 2. Learning the basicsOneKey Rescue system button Chapter 2. Learning the basicsSpecial button b Num lock indicator System status indicatorsa Caps lock indicator c Power status indicator„Attaching a security lock not supplied „Using VeriFace„Using passwords Chapter 2. Learning the basicsEnabling Bluetooth communications Connecting external devices„Connecting a universal serial bus USB device Chapter 2. Learning the basics„Hardware connection Chapter 3. Using the Internet„Software configuration Cable„Software configuration Wireless connection„Using Wi-Fi/WiMAX Chapter 3. Using the InternetChapter 4. OneKey Rescue system „IntroductionHow can I prevent problems with my computer? Chapter 5. TroubleshootingFrequently asked questions Where are the recovery discs?Chapter 5. Troubleshooting What can I do if the backup process fails?A Password problem Chapter 5. TroubleshootingDisplay problems TroubleshootingComputer screen problems Chapter 5. TroubleshootingSleep or hibernation problems The screen is blankA hard disk drive problem Chapter 5. Troubleshooting Sound problemsBattery problems A startup problemYour computer does not respond Chapter 5. Troubleshooting Other problemsThe connected external device does not work Replacing the battery Chapter 6. Upgrading and replacing devicesTo replace the battery, do the following Handling a hard disk drive Replacing the hard disk driveChapter 6. Upgrading and replacing devices To replace the hard disk drive, do the followingChapter 6. Upgrading and replacing devices 5Pull the tab in the direction shown by arrow cTo install an SO-DIMM,do the following Chapter 6. Upgrading and replacing devicesChapter 6. Upgrading and replacing devices 9Tighten the screws 0Reinstall the batterya b a Chapter 6. Upgrading and replacing devices Removing the optical driveTo remove the optical drive, do the following Setup Poster Chapter 6. Upgrading and replacing devicesAppendix A. Getting help and service Calling the customer support centerAppendix A. Getting help and service Getting help around the worldAppendix A. Getting help and service Lenovo warranty service telephone numbersWarranty Service Telephone Numbers Caring for your computer Appendix B. Use, and care information„Be careful about where and how you work „Notice of static-electricity„For outdoor use „Be gentle with your computer„Carry your computer properly „Handle storage media and drives properly„Other important tips „Data safety„Take care in setting passwords Appendix B. Use, and care information„What if you are traveling? Accessibility and comfort„Ergonomic information „Questions about vision?„General tips for maintenance Appendix B. Use, and care information„Cleaning your computer display „Cleaning the cover of your computer„Cleaning your computer keyboard Appendix B. Use, and care information„What this warranty covers Appendix C. Lenovo limited warranty„How to obtain warranty service „Your additional responsibilities „Replacement of a product or partAppendix C. Lenovo limited warranty information.”„Use of personal information „What this warranty does not coverAppendix C. Lenovo limited warranty „Limitation of liability„Other rights „Dispute resolutionAppendix C. Lenovo limited warranty „European Economic Area EEAManufactured by: China Appendix C. Lenovo limited warranty„Suplemento de Garantía para México Tel: +86-512-5735-5000 Marketed byWarranty period Appendix C. Lenovo limited warrantyWarranty information Types of warranty service1 Customer Replaceable Unit “CRU” Service „Types of warranty serviceAppendix C. Lenovo limited warranty 2 On-siteServiceAppendix C. Lenovo limited warranty 5Product Exchange ServiceAppendix D. Customer replaceable units CRUs 1009 Think Place - Building One Morrisville, NC Appendix E. NoticesLenovo United States, Inc U.S.A Attention: Lenovo Director of Licensing„Export classification notice Appendix E. NoticesWindows ENERGY STAR model informationAppendix E. Notices Windows XP„Wireless interoperability Wireless related informationAppendix E. Notices „Usage environment and your health „Safety information related to Mobile BroadbandAppendix E. Notices „Note to CATV system installer „Products with television tuner options installed„Note to CATV system installer Appendix E. NoticesAppendix E. Notices This warranty does not cover the followingDanger „Federal Communications Commission FCC Statement Electronic emissions noticesAppendix E. Notices „German Class B Compliance Statement „Japanese VCCI Class B Statement „Lenovo Product Service InformationAppendix E. Notices WEEE and recycling statements Türkiye EEE Yönetmeliğine Uygunluk Beyanı„Korea Class B „General recycling statement„Disposing of a Lenovo Computer Components Japan recycling statementsEU WEEE statements Appendix E. NoticesNotice for users in the U.S.A Notice on deleting data from your hard diskAppendix E. Notices Form Factor Appendix F. Features and specificationsModel Name: Lenovo B550 SystemLenovo Veriface OneKey Index Index Page If your product is not working correctly DO NOT RETURN IT TO THE STOREP/N: 147003161-1.1Printed in China New World. New Thinking.TMLenovo China

System status indicators------------------------------------------------------------------------------------------

a Caps lock indicator

b Num lock indicator

c Power status indicator

d Battery status indicator

e Wireless communication indicator

f Hard disk indicator

c d e f