Lenovo 59366616, B590, B490 manual Sound problem, Other problems, Your computer does not respond

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A sound problem

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

No sound can be heard from the speaker even when the volume is turned up.

Make sure that:

•The mute function is off.

•The headphone jack is not used.

•Speakers are selected as the playback device.

Other problems

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

Your computer does not respond.

Do either of the following:

•To turn off your computer, press and hold the power button for 4 seconds or more. If the computer still does not respond, remove the ac power adapter and the battery.

•Your computer might lock when it enters sleep mode during a communication operation. Disable the sleep timer when you are working on the network.

The computer does not start from a device you want.

Do the following:

1.Check the settings under Startup ➙ Boot menu of BIOS. Make sure that the Boot Priority Order option starts from the device you want.

2.Also make sure that the device from which the computer starts is enabled. Under the Startup ➙ Boot menu, make sure that the device is included in the Boot Priority Order list.

3.Press F12 when the Lenovo logo appears on the screen while the computer is starting up to select the device you want the computer starts from.

The connected external device does not work.

Make sure that:

•Do not connect or disconnect any external device cables other than USB cables while the computer is turned on; otherwise, you might damage your computer.

•When using a high power consumption external devices such as an external USB optical drive, use external device power adapter. Otherwise, the device may not be recognized, or the system might be turned off.

For more technical support, go to http://www.lenovo.com/support

Chapter 9. Troubleshooting computer problems 49

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Contents Lenovo B490 and B590 User GuideSafety, Warranty, and Setup Guide Regulatory Notice Contents Appendix D. Notices Protect the cables from being damaged Read this firstProtect yourself from the heat that your computer generates Prevent your computer from getting wetHandle your computer gently Important safety informationProtect your computer and data when moving it Conditions that require immediate actionService 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 computerLeft-side view Right-side view Front view Bottom view Status indicatorsCaps Lock indicator Numeric Lock indicatorDevice access status indicator Power and battery status indicator FeaturesSpecifications Frequently asked questions Using your computerPutting the computer into sleep mode or shutting it down Tips on using your computerConnecting to power Configuring the operating systemChecking the battery status Using the ac power adapter and the battery packConnecting the ac power adapter Using the ac power adapterCharging the battery Maximizing the battery lifeHandling the battery Using the touch pad Using the keyboardNumeric keypad Using the recovery button B490B590 Power conservation Fn+F1 Launching the camera and audio settings Fn+EscVolume controls Fn + Left/Right arrow Adjusting display brightness level Fn + Up/Down arrowUsing the media card reader Connecting to external devicesInserting a flash media card Using USB connectorsUsing the Nvidia Optimus Graphics feature Switching the Graphics Processing UnitCable Connecting to the networkWired connection Hardware connectionWireless 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 overviewRefreshing your computer settings Recovery overview User Guide Replacing the battery Replacing devicesStatic electricity prevention Replacing the backup battery Replacing devices Replacing the hard disk drive Prerequisites for the procedureReplacing a memory module User Guide Replacing devices Removing the optical drive Replacing devices User Guide General tips for preventing problems Preventing problemsCarry your computer properly Be careful about where and how you workTaking care of your computer Be gentle with your computerData protection Take care in setting passwordsClean the cover of your computer Handle storage media and drives properlyBe sure not to modify your computer Cleaning your computer keyboardCleaning your computer display Registering your computerBattery problems Troubleshooting computer problemsTroubleshooting Battery and power problemsSleep and hibernation problems Computer screen problemsAn ac power adapter problem Startup problemHard disk drive problems Problems with drives and other storage devicesOneKey Recovery Pro program problems Password problemOptical drive problems Computer does not start from a device you want Sound problemOther problems Your computer does not respondUser Guide Wireless related information Wireless interoperabilityAppendix A. Regulatory information Usage environment and your health Energy Star model informationElectronic emission notices Export classification noticeIndustry 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 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 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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