Manuals / Lenovo / Computer Equipment / Laptop

Lenovo 59366616, B590, B490 Handling the battery, Danger, Keep the battery pack away from fire

Models: B490 B590 59366616

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•Recharge the battery completely before using it. The battery is fully charged if the battery indicator shows green when the ac power adapter is plugged in.

Handling the battery

DANGER

Do not attempt to disassemble or modify the battery pack.

Attempting to do so can cause an explosion, or liquid leakage from the battery pack.

A battery pack other than the one specified by Lenovo, or a disassembled or modified battery pack is not covered by the warranty.

DANGER

If the rechargeable battery pack is incorrectly replaced, there is danger of an explosion. The battery pack contains a small amount of harmful substances. To avoid possible injury:

•Replace only with a battery of the type recommended by Lenovo.

•Keep the battery pack away from fire.

•Do not expose it to excessive heat.

•Do not expose it to water or rain.

•Do not short-circuit it.

•Store it in a cool dry place.

Chapter 2. Using your computer 13

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Lenovo 59366616, B590, B490 Handling the battery, DANGER Do not attempt to disassemble or modify the battery pack, Danger

Contents

User Guide Lenovo B490 and B590Safety, Warranty, and Setup Guide Regulatory Notice “Important safety information” on page Appendix D “Notices” on pageFirst Edition October Copyright Lenovo Contents Substances Directive RoHS Appendix B. WEEE and recyclingstatements Appendix C. Restriction of HazardousPrevent your computer from getting wet Read this firstProtect yourself from the heat generated by the ac power adapter Protect yourself from the heat that your computer generatesHandle your computer gently Important safety informationConditions that require immediate action Protect your computer and data when moving itSafety guidelines Service and upgradeshttp//support.lenovo.com DANGER Power cords and power adaptersExtension cords and related devices Plugs and outletsDANGER Power supply statementGeneral battery notice External devicesKeep the battery pack away from fire Rechargeable battery noticeLithium coin cell battery notice Replace only with a battery of the type recommended by LenovoPerchlorate Material - special handling may apply, See Heat and product ventilationAirflow temperatures into the computer should not exceed 35C 95F California Perchlorate InformationTo avoid a shock hazard Electrical current safety informationLaser compliance statement DANGERDANGER Using headphones or earphonesAdditional safety information Liquid crystal display LCD noticexii User Guide Top view Chapter 1. Getting to know your computerRecovery button Left-side viewWireless module antennas Power buttonHDMI connector Right-side viewMonitor connector Ethernet connectorStatus indicators Front viewUSB connectors ac power connectorBattery Status indicatorsBottom view Battery latch manualFigure 6. Status indicators of Lenovo B490 and B590 Caps Lock indicatorNumeric Lock indicator Device access status indicator4 Power and battery status indicator FeaturesSpecifications Frequently asked questions Chapter 2. Using your computerReading the manuals Tips on using your computerConnecting to power Configuring the operating system2. Click Settings Using the ac power adapter and the battery packChecking the battery status 2. Click SettingsConnecting the ac power adapter Using the ac power adapterCharging the battery Maximizing the battery lifeKeep the battery pack away from fire Handling the batteryDANGER Do not attempt to disassemble or modify the battery pack Replace only with a battery of the type recommended by LenovoKeep it away from children Using the touch padUsing the keyboard Numeric keypadUsing the recovery button B490B590 Adjusting display brightness level Fn + Up/Down arrow Function key combinationsLaunching the camera and audio settings Fn+Esc Volume controls Fn + Left/Right arrowSwitching the display output location Fn+F3 Connecting to external devicesUsing the media card reader Display backlight feature Fn+F2Removing a flash media card Using USB connectorsUsing the NVIDIA Optimus Graphics feature Inserting a flash media cardCable Chapter 3. Connecting to the networkWired connection Hardware connectionSoftware configuration Wireless connectionHardware connection Chapter 3. Connecting to the network Software configuration22 User Guide Accessibility and comfort Chapter 4. You and your computerErgonomic information What if you are traveling? Questions about vision?24 User Guide Using passwords Chapter 5. SecurityAttaching a mechanical lock 26 User Guide Solving recovery problems on the Windows 7 operating system Chapter 6. Recovery overviewResetting your computer settings Using the Windows recovery program on the Windows 8 operating systemRefreshing your computer settings Change PC settings GeneralChapter 6. Recovery overview 30 User Guide Replacing the battery Chapter 7. Replacing devicesStatic electricity prevention Keep the battery pack away from fire Replacing the backup batteryPrerequisites for the procedure DANGER Replace only with a battery of the type recommended by LenovoDo not expose it to excessive heat Do not expose it to water or rain Prerequisites for the procedure DANGERReplace only with a battery of the type recommended by Lenovo Keep the battery pack away from firePrerequisites for the procedure Replacing the hard disk drivePrerequisites for the procedure Replacing a memory module4. Remove the screws Replacing the PCI Express Mini Card for wireless LAN/WiMAX connection Prerequisites for the procedure DANGERDANGER 38 User Guide Removing the optical drive5. Remove the screw 40 User Guide General tips for preventing problems Chapter 8. Preventing problemsCarry your computer properly Taking care of your computerBe careful about where and how you work Be gentle with your computerHandle storage media and drives properly Take care in setting passwordsClean the cover of your computer Chapter 8. Preventing problemsBe sure not to modify your computer Cleaning your computer keyboardCleaning your computer display Registering your computerBattery problems Chapter 9. Troubleshooting computer problemsTroubleshooting Battery and power problemsSleep and hibernation problems Computer screen problemsAn ac power adapter problem A startup problemIncorrect characters are displayed on the screen Problems with drives and other storage devicesHard disk drive problems The screen is unreadable or distortedBackup cannot be made OneKey Recovery Pro program problemsA password problem Optical drive problemsThe computer does not start from a device you want A sound problemOther problems Your computer does not respond50 User Guide Wireless related information Appendix A. Regulatory informationWireless interoperability Usage environment and your health ENERGY STAR model informationExport classification notice Electronic emission noticesFederal Communications Commission FCC Declaration of Conformity Industry 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 56 User Guide Collecting and recycling a disused Lenovo computer or monitor Appendix B. WEEE and recycling statementsChina WEEE statement Important WEEE Information Japan recycling statementsDisposing of disused lithium batteries from Lenovo computers Recycling information for BrazilDisposing of a disused battery pack from Lenovo notebook computers Disposing of Lenovo computer componentsAppendix B. WEEE and recycling statements Battery recycling information for the European UnionBattery recycling information for the United States and Canada Battery recycling information for Taiwan60 User Guide Appendix C. Restriction of Hazardous Substances Directive RoHS China RoHS Turkish RoHSUkraine RoHS RoHS compliant as per E-Waste Management & Handling Rules India RoHSAppendix D. Notices Lenovo United States, Inc 1009 Think Place - Building OneMorrisville, NC U.S.A Attention Lenovo Director of Licensing Trademarks Index 66 User Guide