Lenovo B470E manual Troubleshooting, Display problems, Password problem, Problem Solution

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Troubleshooting

If you do not find your problem here, see Chapter 2. The following section only describes problems that might negate the need to refer to the more comprehensive information in Chapter 2.

Display problems

Problem

Solution

 

 

When I turn on the computer, nothing appears on the

• If the screen is blank, make sure that:

screen.

– The battery is installed correctly.

 

 

– The ac power adapter is connected to the computer

 

and the power cord is plugged into a working

 

electrical outlet.

 

– The computer power is on. (Press the power button

 

again for confirmation.)

 

– The memory is installed correctly.

 

• If these items are properly set, and the screen remains

 

blank, have the computer serviced.

 

 

When I turn on the computer, only a white cursor appears

Restore backed-up files to your Windows environment or

on a blank screen.

the entire contents of your hard disk drive to the original

 

factory contents using the OneKey Recovery system.

 

If you still see only the cursor on the screen, have the

 

computer serviced.

 

 

My screen goes blank while the computer is on.

• Your screen saver or power management may be

 

enabled. Do one of the following to exit from the screen

 

saver or to resume from sleep or hibernation mode:

 

– Touch the touchpad.

 

– Press any key on the keyboard.

 

– Press the power button.

 

• Press Fn+F2 to confirm whether the LCD screen has

 

been turned off.

 

 

A password problem

Problem

Solution

 

 

I forgot my password.

• If you forget your user password, you must take

 

your computer to a Lenovo authorized servicer or

 

a marketing representative to have the password

 

changed.

 

• If you forget your hard disk drive password, a Lenovo

 

authorized servicer cannot reset your password or

 

recover data from the hard disk drive. You must take

 

your computer to a Lenovo authorized servicer or a

 

marketing representative to have the hard disk drive

 

replaced. Proof of purchase is required, and a fee will

 

be charged for parts and service.

 

• If you forget your supervisor password, a Lenovo

 

authorized servicer cannot reset your password. You

 

must take your computer to a Lenovo authorized

 

servicer or a marketing representative to have the

 

system board replaced. Proof of purchase is required,

 

and a fee will be charged for parts and service.

 

 

24User Guide

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Contents User Guide Lenovo B470e and B570eThird Edition June Copyright Lenovo 2011 Contents Ii User Guide Prevent your computer from getting wet Read this firstProtect yourself from the heat that your computer generates Protect the cables from being damagedConditions that require immediate action Important safety informationProtect your computer and data when moving it Handle your computer gentlySafety guidelines Service and upgradesPlugs and outlets Power cords and power adaptersExtension cords and related devices External devices Power supply statementGeneral battery notice 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 Charging the battery Using ac power adapter and batteryChecking battery status Putting your computer into sleep state or shutting it downRemoving the battery pack Handling the batteryNumeric keypad Using the touchpadUsing the keyboard For Lenovo B470eKey combination Description Function key combinationsFor Lenovo B570e Connecting a universal serial bus USB device Connecting external devicesUsing a flash media card not supplied Removing a flash media cardEnabling Bluetooth communications on your computer Connecting a Bluetooth device on some modelsSystem status indicators 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 Wireless network technology connect without wiring Connecting to the InternetWired connection Hardware connectionUsing Wi-Fi/WiMAX on some models Software configurationWireless connection Enabling wireless connectionSoftware configuration User Guide Using Lenovo OneKey Recovery in Windows 7 operating system Lenovo OneKey Rescue systemUser Guide Troubleshooting Frequently asked questionsPassword problem TroubleshootingDisplay problems Problem SolutionSound problems Sleep or hibernation problemsComputer screen problems Startup problem Battery problemsHard disk drive 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 Appendix B. Regulatory information Wireless related informationWireless interoperability 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.
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