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Lenovo manual Function key combinations, For Lenovo B480 models, For Lenovo B580 models

Models: B580 B480

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For Lenovo B480 models

For Lenovo B480 models

The keyboard has keys that can work as a 10-key numeric keypad when enabled. To enable or disable the keypad, press Fn+F8.

For Lenovo B580 models

The keyboard has a separate numeric keypad. To enable or disable the keypad, press the numeric lock key (NmLk).

Note: The numeric lock indicator is on when the numeric keypad is enabled.

Function key combinations

To use the function key combinations, press and hold the Fn key

1 , then press one of the function keys

2.

2

1 2

The following is a brief introduction to the function key combinations.

Launching the camera and audio settings (Fn+Esc)

•On the Windows 7 operating system: Press Fn+Esc to open the camera and audio settings window. The camera preview is turned on. Change the camera and audio settings as desired.

•On the Windows 8 operating system: Press Fn+Esc to enable or disable the camera.

Power conservation (Fn+F1)

Put your computer into sleep mode. To return to normal operation, press the Fn key only.

16User Guide

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Lenovo manual Function key combinations, For Lenovo B480 models, For Lenovo B580 models, Power conservation Fn+F1

Contents

Lenovo B480 and B580 User GuideSafety, Warranty, and Setup Guide Regulatory Notice “Important safety information” on page Appendix D “Notices” on pageFifth Edition December Copyright Lenovo Contents Appendix C. Restriction of Hazardous Appendix B. WEEE and recyclingstatements Substances Directive RoHSProtect yourself from the heat that your computer generates Read this firstProtect yourself from the heat generated by the ac power adapter Prevent your computer from getting wetProtect your computer and data when moving it Important safety informationConditions that require immediate action Handle your computer gentlySafety guidelines Service and upgradesPlugs and outlets Power cords and power adaptersExtension cords and related devices DANGERExternal devices Power supply statementGeneral battery notice DANGERReplace only with a battery of the type recommended by Lenovo Rechargeable battery noticeLithium coin cell battery notice Keep the battery pack away from fireCalifornia Perchlorate Information Heat and product ventilationAirflow temperatures into the computer should not exceed 35C 95F Perchlorate Material - special handling may apply, SeeDANGER Electrical current safety informationLaser compliance statement To avoid a shock hazardLiquid crystal display LCD notice Using headphones or earphonesAdditional safety information Safety notice for users in Australia DANGERNotice for users in the U.S.A Chapter 1. Getting to know your computer Top viewPower button Left-side viewWireless module antennas Recovery buttonEthernet connector Right-side viewMonitor connector USB 3.0 connectorsUSB connector Front viewUSB connector ac power connectorBattery latch manual Status indicatorsBottom view BatteryDevice access status indicator Caps lock indicatorNumeric lock indicator Figure 6. Lenovo B480 and B580 status indicatorsFeatures Power and battery status indicatorSpecifications Chapter 2. Using your computer Frequently asked questionsConfiguring the operating system Tips on using your computerConnecting to power Reading the manualsChecking the battery status Putting the computer into sleep mode or shutting it downUsing the ac power adapter and the battery pack Putting your computer into sleep modeMaximizing the battery life Using the ac power adapterCharging the battery Connecting the ac power adapterReplace only with a battery of the type recommended by Lenovo Handling the batteryDANGER Do not attempt to disassemble or modify the battery pack Keep the battery pack away from fireUsing the touch pad Keep it away from childrenNumeric keypad Using the recovery buttonUsing the keyboard Figure 9. Lenovo B480 and B580 recovery buttonPower conservation Fn+F1 Function key combinationsLaunching the camera and audio settings Fn+Esc For Lenovo B480 modelsAdjusting display brightness level Fn + up/down arrow Switching the display output location Fn+F3Wireless radio control Fn+F5 Volume keys Fn + left/right arrowUsing the NVIDIA Optimus Graphics feature Connecting to external devicesUsing the media card reader Inserting a flash media cardHardware connection Chapter 3. Connecting to the networkWired connection CableSoftware configuration Wireless connectionHardware connection Software configuration Chapter 3. Connecting to the network22 User Guide Accessibility and comfort Chapter 4. You and your computerErgonomic information What if you are traveling? Questions about vision?24 User Guide Chapter 5. Security Using passwordsUsing a fingerprint reader Attaching a mechanical lock26 User Guide Chapter 6. Recovery overview Solving recovery problems on the Windows 7 operating systemChange PC settings General Using the Windows recovery program on the Windows 8 operating systemChange PC settings General Change PC settings GeneralChapter 6. Recovery overview 30 User Guide Replacing the battery Chapter 7. Replacing devicesStatic electricity prevention Replace only with a battery of the type recommended by Lenovo Replacing the backup batteryPrerequisites for the procedure DANGER Keep the battery pack away from fireKeep the battery pack away from fire Prerequisites for the procedure DANGERReplace only with a battery of the type recommended by Lenovo Do not expose it to excessive heat Do not expose it to water or rainLenovo B580 34 User GuideReplacing the hard disk drive Prerequisites for the procedureLenovo B480 4. Remove the screws Lenovo B580 Lenovo B480 Replacing a memory modulePrerequisites for the procedure 38 User Guide8. Pivot the memory module downward until it snaps into place Lenovo B580 40 User GuideDANGER Replacing the PCI Express Mini Card for wireless LAN/WiMAX connectionPrerequisites for the procedure DANGER Lenovo B48042 User Guide Lenovo B580 Removing the optical drive Lenovo B48044 User Guide Lenovo B580 46 User Guide Chapter 8. Preventing problems General tips for preventing problemsBe gentle with your computer Taking care of your computerBe careful about where and how you work Carry your computer properlyHandle storage media and drives properly Take care in setting passwordsClean the cover of your computer Data protectionRegistering your computer Cleaning your computer keyboardCleaning your computer display Be sure not to modify your computerBattery and power problems Chapter 9. Troubleshooting computer problemsTroubleshooting Battery problemsA startup problem Computer screen problemsAn ac power adapter problem Sleep and hibernation problemsThe screen is unreadable or distorted Problems with drives and other storage devicesHard disk drive problems Incorrect characters are displayed on the screenOptical drive problems OneKey Recovery Pro program problemsA password problem Backup cannot be madeYour computer does not respond A sound problemOther problems The computer does not start from a device you want56 User Guide Wireless related information Appendix A. Regulatory informationWireless interoperability Federal Communications Commission FCC Declaration of Conformity Export classification noticeElectronic emission notices Usage environment and your healthIndustry Canada Class B emission compliance statement German Class B compliance statement Deutschsprachiger EU HinweisDeutschland Lenovo product service information for Taiwan Korea Class B compliance statementJapan VCCI Class B compliance statement Japan recycling statements Appendix B. WEEE and recycling statementsChina WEEE statement Important WEEE Information Collecting and recycling a disused Lenovo computer or monitorDisposing of Lenovo computer components Recycling information for BrazilDisposing of a disused battery pack from Lenovo notebook computers Disposing of disused lithium batteries from Lenovo computersBattery recycling information for Taiwan Battery recycling information for the European UnionBattery recycling information for the United States and Canada Appendix B. WEEE and recycling statements64 User Guide Appendix C. Restriction of Hazardous Substances Directive RoHS China RoHS Turkish RoHSUkraine RoHS India RoHS RoHS compliant as per E-Waste Management & Handling RulesAppendix D. Notices Lenovo United States, Inc 1009 Think Place - Building OneMorrisville, NC U.S.A Attention Lenovo Director of Licensing ENERGY STAR model information TrademarksWindows Appendix D. Notices70 User Guide Index 72 User Guide Page Part Number Printed in China 1P P/N