Lenovo 59366616, B590, B490 manual Electrical current safety information, Laser compliance statement

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Electrical current safety information

DANGER

Electric current from power, telephone, and communication cables is hazardous.

To avoid a shock hazard:

•Do not use your computer during a lightning storm.

•Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm.

•Connect all power cords to a properly wired and grounded electrical outlet.

•Connect to properly wired outlets any equipment that will be attached to this product.

•Whenever possible, use one hand only to connect or disconnect signal cables.

•Never turn on any equipment when there is evidence of fire, water, or structural damage.

•Disconnect the attached power cords, battery pack, and all the cables before you open the device covers, unless instructed otherwise in the installation and configuration procedures.

•Do not use you computer until all internal parts enclosures are fastened into place. Never use the computer when internal parts and circuits are exposed.

DANGER

Connect and disconnect cables as described in the following procedures when installing, moving, or opening covers on this product or attached devices.

To connect:

1.Turn everything OFF.

2.First, attach all cables to devices.

3.Attach signal cables to connectors.

4.Attach power cords to outlets.

5.Turn devices ON.

To disconnect:

1.Turn everything OFF.

2.First, remove power cords from outlets.

3.Remove signal cables from connectors.

4.Remove all cables from devices.

The power cord must be disconnected from the wall outlet or receptacle before installing all other electrical cables connected to the computer.

The power cord may be reconnected to the wall outlet or receptacle only after all other electrical cables have been connected to the computer.

Laser compliance statement

CAUTION:

When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or transmitters) are installed, note the following:

•Do not remove the covers. Removing the covers of the laser product could result in exposure to hazardous laser radiation. There are no serviceable parts inside the device.

•Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure.

xUser 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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