Lenovo 59366616, B590, B490 Computer screen problems, An ac power adapter problem, Startup problem

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The battery pack cannot be charged.

You cannot charge the battery when it is too hot. If the battery feels hot, remove it from the computer and allow it to cool to room temperature. After it cools, reinstall it and recharge the battery. If it still cannot be charged, have it serviced.

An ac power adapter problem

Print these instructions now and keep it with your computer for reference later.

The ac power adapter is connected to the computer and the working electrical outlet, but the power adapter (power plug) icon is not displayed on the taskbar. Also the ac power indicator does not light up.

Do the following:

1.Make sure that the connection of the ac power adapter is correct. For instructions on connecting the ac power adapter, see Safety, Warranty, and Setup Guide that comes with your computer.

2.If the connection of the ac power adapter is correct, turn off the computer, then disconnect the ac power adapter and remove the main battery.

3.Reinstall the battery and reconnect the ac power adapter, then turn on the computer.

4.If the power adapter icon still is not displayed on the taskbar and the ac power indicator does not light up, have the ac power adapter and your computer serviced.

A startup problem

Print these instructions now and keep it with your computer for reference later.

The Microsoft Windows operating system does not start.

On the Windows operating system, use the recovery program preinstalled on your computer to help solve or identify your problem. For details, refer to the instructions in Chapter 6 “Recovery overview” on page 27.

Sleep and hibernation problems

Print these instructions now and keep it with your computer for reference later.

A critical low-battery error occurs, and the computer immediately turns off.

The battery power is getting low. Connect the ac power adapter to the computer and plug it into an electrical outlet, or replace the battery with a charged one.

The computer enters sleep mode immediately after the power-on self-test.

Make sure that:

•The battery is charged.

•The operating temperature is within the acceptable range. refer to Chapter 8 “Preventing problems” on page 41.

Computer screen problems

Print these instructions now and keep it with your computer for reference later.

The screen is blank.

Do any of the following:

•If you are using the ac power adapter or using the battery, and the battery status indicator is on, press Fn + up arrow to increase the screen brightness.

•If the power indicator is in blinking, press the power button to resume from the sleep mode.

46User Guide

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Contents User Guide Lenovo B490 and B590Safety, Warranty, and Setup Guide Regulatory Notice Contents Appendix D. Notices 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 upgradesPower cords and power adapters Extension cords and related devicesPlugs and outlets Power supply statement General battery noticeExternal devices Rechargeable battery notice Lithium coin cell battery noticeHeat and product ventilation Electrical current safety information Laser compliance statementUsing headphones or earphones Additional safety informationLiquid crystal display LCD notice Xii User Guide Getting to know your computer Top viewLeft-side view Right-side view Front view Status indicators Bottom viewCaps Lock indicator Numeric Lock indicatorDevice access status indicator Features Power and battery status indicatorSpecifications Using your computer Frequently asked questionsTips on using your computer Connecting to powerConfiguring the operating system Putting the computer into sleep mode or shutting it downUsing the ac power adapter and the battery pack Checking the battery statusUsing the ac power adapter Charging the batteryMaximizing the battery life Connecting the ac power adapterHandling the battery Using the touch pad Using the keyboardNumeric keypad Using the recovery button B490B590 Launching the camera and audio settings Fn+Esc Volume controls Fn + Left/Right arrowAdjusting display brightness level Fn + Up/Down arrow Power conservation Fn+F1Connecting to external devices Using the media card readerUsing USB connectors Using the Nvidia Optimus Graphics featureSwitching the Graphics Processing Unit Inserting a flash media cardConnecting to the network Wired connectionHardware connection CableSoftware configuration Wireless connectionConnecting 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 Recovery overview Solving recovery problems on the Windows 7 operating systemRefreshing your computer settings Recovery overview User Guide Replacing the battery Replacing devicesStatic electricity prevention Replacing the backup battery Replacing devices Prerequisites for the procedure Replacing the hard disk driveReplacing a memory module User Guide Replacing devices Removing the optical drive Replacing devices User Guide Preventing problems General tips for preventing problemsBe careful about where and how you work Taking care of your computerBe gentle with your computer Carry your computer properlyTake care in setting passwords Clean the cover of your computerHandle storage media and drives properly Data protectionCleaning your computer keyboard Cleaning your computer displayRegistering your computer Be sure not to modify your computerTroubleshooting computer problems TroubleshootingBattery and power problems Battery problemsComputer screen problems An ac power adapter problemStartup problem Sleep and hibernation problemsProblems with drives and other storage devices Hard disk drive problemsOneKey Recovery Pro program problems Password problemOptical drive problems Sound problem Other problemsYour computer does not respond Computer does not start from a device you wantUser Guide Wireless related information Wireless interoperabilityAppendix A. Regulatory information Energy Star model information Usage environment and your healthExport classification notice Electronic emission noticesIndustry Canada Class B emission compliance statement Appendix A. Regulatory information User Guide Appendix B. Weee and recycling statements China Weee statement Important Weee InformationJapan recycling statements Recycling information for Brazil Disposing of Lenovo computer componentsBattery recycling information for the European Union User Guide China RoHS Turkish RoHS Ukraine RoHSIndia RoHS Appendix D. Notices Trademarks Index User Guide Page Part Number 1P P/N
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B490, B590, 59366616 specifications

Lenovo's B-series laptops, including the B490, B590, and B59366616, are designed to meet the needs of business professionals who seek a balance between performance, affordability, and portability. These laptops are characterized by their solid build quality, robust features, and user-friendly design, making them ideal for everyday office tasks or on-the-go productivity.

The Lenovo B490 is equipped with a 14-inch display that delivers sharp visuals, making it suitable for presentations and document editing. It offers a variety of processor options, ranging from Intel Core i3 to Core i5, enabling users to select the level of performance that best suits their requirements. The B490 comes with 4GB or 8GB of RAM, which can be upgraded for enhanced multitasking capabilities. Additionally, it offers various storage options, including traditional hard drives and solid-state drives, providing flexibility in terms of speed and storage capacity.

On the other hand, the Lenovo B590 features a larger 15.6-inch display, making it a great choice for users who prefer a bigger screen for their workflow. Like the B490, it also supports a range of Intel processors and offers ample options for RAM and storage. The keyboard is designed for comfortable typing, which is essential for extended work sessions. Advanced technologies, such as Dolby Advanced Audio, ensure an enhanced audio experience, making it suitable for webinars, video conferences, and multimedia consumption.

Both models feature Lenovo's Enhanced Experience software that optimizes boot times and provides a range of tools for system maintenance and management. They also come with various connectivity options, including USB 3.0 ports, HDMI, and Ethernet, allowing users to connect to multiple devices with ease.

Security is another cornerstone of these laptops. Features like Lenovo’s OneKey Rescue System assist in data recovery, while the option for fingerprint readers adds an additional layer of security for sensitive business information.

Overall, the Lenovo B490, B590, and B59366616 offer a reliable and efficient computing solution for professionals. Their combination of performance, affordability, and essential features makes them favorable options for those looking to enhance productivity without breaking the bank. Whether in the office or on the move, these laptops are tailored to meet the diverse needs of business users.
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