Lenovo B470E manual Power cords and power adapters, Extension cords and related devices

Page 8

Power cords and power adapters

DANGER

Use only the power cords and power adapters supplied by the product manufacturer.

The power cords shall be safety approved. For Germany, it shall be H05VV-F, 3G, 0.75 mm2, or better. For other countries, the suitable types shall be used accordingly.

Never wrap a power cord around a power adapter or other object. Doing so can stress the cord in ways that can cause the cord to fray, crack, or crimp. This can present a safety hazard.

Always route power cords so that they will not be walked on, tripped over, or pinched by objects.

Protect power cords and power adapters from liquids. For instance, do not leave your power cord or power adapter near sinks, tubs, toilets, or on floors that are cleaned with liquid cleansers. Liquids can cause a short circuit, particularly if the power cord or power adapter has been stressed by misuse. Liquids also can cause gradual corrosion of power cord terminals and/or the connector terminals on a power adapter, which can eventually result in overheating.

Always connect power cords and signal cables in the correct order and ensure that all power cord connectors are securely and completely plugged into receptacles.

Do not use any power adapter that shows corrosion at the ac input pins or shows signs of overheating (such as deformed plastic) at the ac input pins or anywhere on the power adapter.

Do not use any power cords where the electrical contacts on either end show signs of corrosion or overheating or where the power cord appears to have been damaged in any way.

Extension cords and related devices

Ensure that extension cords, surge protectors, uninterruptible power supplies, and power strips that you use are rated to handle the electrical requirements of the product. Never overload these devices. If power strips are used, the load should not exceed the power strip input rating. Consult an electrician for more information if you have questions about power loads, power requirements, and input ratings.

Plugs and outlets

DANGER

If a receptacle (power outlet) that you intend to use with your computer equipment appears to be damaged or corroded, do not use the outlet until it is replaced by a qualified electrician.

Do not bend or modify the plug. If the plug is damaged, contact the manufacturer to obtain a replacement.

Do not share an electrical outlet with other home or commercial appliances that draw large amounts of electricity; otherwise, unstable voltage might damage your computer, data, or attached devices.

Some products are equipped with a three-pronged plug. This plug fits only into a grounded electrical outlet. This is a safety feature. Do not defeat this safety feature by trying to insert it into a non-grounded outlet. If you cannot insert the plug into the outlet, contact an electrician for an approved outlet adapter or to replace the outlet with one that enables this safety feature. Never overload an electrical outlet. The overall system load should not exceed 80 percent of the branch

viUser Guide

Page 7 Page 9
Image 8
Page 7 Page 9
Contents User Guide Lenovo B470e and B570eThird Edition June Copyright Lenovo 2011 Contents Ii User Guide Read this first Protect yourself from the heat that your computer generatesPrevent your computer from getting wet Protect the cables from being damagedImportant safety information Protect your computer and data when moving itConditions that require immediate action Handle your computer gentlySafety guidelines Service and upgradesPlugs and outlets Power cords and power adaptersExtension cords and related devices Power supply statement General battery noticeExternal devices ViiRechargeable battery notice Lithium coin cell battery noticeHeat and product ventilation Electrical current safety information Laser compliance statementLiquid crystal display LCD notice Using headphones or earphonesAdditional safety information Do not connect phone line while using tablet mode Getting to know your computer Top viewLeft-side view Right-side view Front viewBottom view SpecificationsSpecifications for Lenovo B470e Specifications for Lenovo B570e User Guide Learning the basics Using ac power adapter and battery Checking battery statusCharging the battery Putting your computer into sleep state or shutting it downRemoving the battery pack Handling the batteryUsing the touchpad Using the keyboardNumeric keypad For Lenovo B470eKey combination Description Function key combinationsFor Lenovo B570e Connecting external devices Using a flash media card not suppliedConnecting a universal serial bus USB device Removing a flash media cardConnecting a Bluetooth device on some models System status indicatorsEnabling Bluetooth communications on your computer Special keys and buttonsSecuring your computer Attaching a security lock not suppliedSwitching the Graphics Processing Unit Using passwordsUsing the Nvidia Optimus Graphics feature User Guide Connecting to the Internet Wired connectionWireless network technology connect without wiring Hardware connectionSoftware configuration Wireless connectionUsing Wi-Fi/WiMAX on some models Enabling wireless connectionSoftware configuration User Guide Using Lenovo OneKey Recovery in Windows 7 operating system Lenovo OneKey Rescue systemUser Guide Troubleshooting Frequently asked questionsTroubleshooting Display problemsPassword problem Problem SolutionSound problems Sleep or hibernation problemsComputer screen problems Battery problems Hard disk drive problemStartup problem OneKey Rescue system problemsPriority Order list User Guide Replacing the battery Appendix A. CRU instructionsReplacing the hard disk drive Handling a hard disk driveAppendix A. CRU instructions Replacing a memory module Removing the optical drive on some models User Guide Wireless related information Wireless interoperabilityAppendix B. Regulatory information Usage environment and your healthElectronic emissions notices Safety information related to Mobile BroadbandExport classification notice Federal Communications Commission FCC Statement Industry Canada Class B emission compliance statementUser Guide Japan recycling statements Appendix C. Weee and recycling statementsChina Weee statement Important Weee information Recycling information for Brazil Disposing of Lenovo computer componentsBattery recycling information for the European Union User Guide China RoHS Turkish RoHS Ukraine RoHSIndia RoHS

B470E specifications

The Lenovo B470E is a budget-friendly laptop that caters to both personal and professional users seeking a reliable computing solution. With its sleek design and functional features, it stands out as a practical choice for anyone needing a dependable device for everyday tasks.

At the heart of the Lenovo B470E lies a robust Intel processor, typically ranging from Core i3 to i5, which delivers impressive performance for a wide array of applications. The laptop is well-suited for multitasking, allowing users to run multiple programs simultaneously without significant slowdowns. Its efficient processing capabilities ensure smooth operation whether you’re browsing the internet, streaming videos, or working on documents.

One of the notable features of the B470E is its 14-inch display, which provides ample screen space while maintaining portability. The display typically comes with a resolution of 1366 x 768, offering decent clarity for most tasks. Additionally, it features anti-glare technology, reducing reflections and providing a comfortable viewing experience in various lighting conditions.

The keyboard of the B470E is designed for comfortable typing, featuring a full-sized layout with a numeric keypad. The keys are well spaced and provide a satisfactory tactile response, making it an excellent choice for users who spend long hours on their laptops. Furthermore, the laptop incorporates a multi-touch trackpad, enabling intuitive navigation and gesture controls.

Storage options for the Lenovo B470E often include a traditional hard disk drive (HDD), typically starting from 500GB. This ample storage capacity accommodates a large volume of files, documents, and media. In some models, users can opt for a solid-state drive (SSD), providing faster data access and improving overall system responsiveness.

Connectivity is another strong point for the B470E, as it features various ports, including USB 2.0, USB 3.0, HDMI, and VGA outputs. This versatility allows users to connect external devices such as printers, projectors, and additional storage solutions without hassle.

Additionally, the Lenovo B470E offers essential wireless connectivity options, including Wi-Fi and Bluetooth, enabling seamless connection to networks and peripherals.

In terms of battery life, the B470E is designed to last through a full workday under normal usage conditions, making it a reliable companion for users on the go.

Overall, the Lenovo B470E presents a balanced combination of performance, portability, and value, making it an ideal choice for students, professionals, and casual users alike. Its blend of essential features and user-friendly design ensures that it meets the demands of everyday computing tasks efficiently.
Top Page Image Contents