Lenovo B475E, 59360210 manual Power supply statement, External devices, General battery notice

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circuit rating. Consult an electrician for more information if you have questions about power loads and branch circuit ratings.

Be sure that the power outlet you are using is properly wired, easily accessible, and located close to the equipment. Do not fully extend power cords in a way that will stress the cords.

Be sure that the power outlet provides the correct voltage and current for the product you are installing.

Carefully connect and disconnect the equipment from the electrical outlet.

Power supply statement

DANGER

Never remove the cover on a power supply or any part that has the following label attached.

Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician.

External devices

CAUTION:

Do not connect or disconnect any external device cables other than Universal Serial Bus (USB) cable while the computer power is on; otherwise, you might damage your computer. To avoid possible damage to attached devices, wait at least five seconds after the computer is shut down to disconnect external devices.

General battery notice

DANGER

Personal computers manufactured by Lenovo contain a coin cell battery to provide power to the system clock. In addition, many mobile products, such as notebook computers, utilize a rechargeable battery pack to provide system power when in portable mode. Batteries supplied by Lenovo for use with your product have been tested for compatibility and should only be replaced with approved parts.

Never attempt to open or service any battery. Do not crush, puncture, or incinerate batteries or short circuit the metal contacts. Do not expose the battery to water or other liquids. Only recharge the battery pack strictly according to instructions included in the product documentation.

Battery abuse or mishandling can cause the battery to overheat, which can cause gasses or flame to “vent” from the battery pack or coin cell. If your battery is damaged, or if you notice any discharge from your battery or the buildup of foreign materials on the battery leads, stop using the battery and obtain a replacement from the battery manufacturer.

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Contents Lenovo B475e and B575e User GuideSafety, Warranty, and Setup Guide Regulatory Notice Contents Appendix D. Notices Protect yourself from the heat that your computer generates Read this firstPrevent your computer from getting wet Protect the cables from being damaged Protect your computer and data when moving it Important safety information Conditions that require immediate action Handle your computer gentlyService and upgrades Safety guidelinesPower cords and power adapters Extension cords and related devicesPlugs and outlets Power supply statement General battery noticeExternal devices Lithium coin cell battery notice Rechargeable battery noticeHeat and product ventilation Laser compliance statement Electrical current safety informationUsing headphones or earphones Additional safety informationLiquid crystal display LCD notice Xii User Guide Top view Getting to know your computerPower button Wireless module antennasRecovery button Status indicatorsLeft-side view Lenovo B575e left-side view USB 3.0 connectorRight-side view USB 2.0 connectorsHeadphone jack Microphone jackMedia card reader slot Front viewLenovo B475e bottom view Bottom viewBattery lock Status indicatorsBattery Battery latchFeatures Specifications Getting to know your computer User Guide Frequently asked questions Using your computerConnecting to power Tips on using your computerConfiguring the operating system Reading the manualsPutting the computer into sleep mode or shutting it down Using the ac power adapter and the battery packChecking the battery status Charging the battery Using the ac power adapterMaximizing the battery life Connecting the ac power adapterUsing the touch pad Handling the batteryLenovo B475e and B575e touch pad Using the recovery button Using the keyboardNumeric keypad Power conservation Fn+F1 Launching the camera settings Fn+EscFunction key combinations For Lenovo B475e modelsAdjusting display brightness level Fn + up/down arrow Switching the display output location Fn+F3Volume keys Fn+ left/right arrow Display backlight control Fn+F2Using the media card reader Inserting an SD cardRemoving an SD card Wired connection Connecting to the networkHardware connection CableWireless connection Software configurationConnecting to the network User Guide Accessibility and comfort You and your computerErgonomic information What if you are traveling? Using passwords SecurityAttaching a mechanical lock User Guide Solving recovery problems on the Windows 7 operating system Recovery overviewUser Guide Recovery overview User Guide Replacing the battery Replacing devicesStatic electricity prevention Replacing the backup battery Lenovo B475e Lenovo B575e Replacing the hard disk drive Prerequisites for the procedureUser Guide Lenovo B575e User Guide Replacing a memory module Lenovo B575e Replacing devices Lenovo B475e Lenovo B575e User Guide Removing the optical drive User Guide General tips for preventing problems Preventing problemsTaking care of your computer Be careful about where and how you workBe gentle with your computer Carry your computer properlyClean the cover of your computer Take care in setting passwordsHandle storage media and drives properly Data protectionCleaning your computer display Cleaning your computer keyboardRegistering your computer Be sure not to modify your computerTroubleshooting Troubleshooting computer problemsBattery and power problems Battery problemsAn ac power adapter problem Computer screen problemsStartup problem Sleep and hibernation problemsHard disk drive problems Problems with drives and other storage devicesOneKey Recovery Pro program problems Password problemOptical drive problems Other problems Sound problemYour computer does not respond Computer does not start from a device you wantUser Guide Wireless related information Wireless interoperabilityAppendix A. Regulatory information Export classification notice Electronic emission noticesUsage environment and your health Industry Canada Class B emission compliance statement User Guide Appendix B. Weee and recycling statements China Weee statement Important Weee InformationJapan recycling statements Disposing of Lenovo computer components Recycling information for BrazilBattery recycling information for the European Union User Guide Ukraine RoHS China RoHS Turkish RoHSIndia RoHS Appendix D. Notices Trademarks Energy Star model informationAppendix D. Notices