Lenovo B485 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 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 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://support.lenovo.com.

Chapter 9. Troubleshooting computer problems 59

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Contents Lenovo B480, B485, and B580 User GuideSafety and Warranty Guide Regulatory Notice Contents Appendix C. 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 guidelinesExtension cords and related devices Power cords and power adaptersPower supply statement Plugs and outletsExternal devices Rechargeable battery notice General battery noticeLithium coin cell battery notice Heat and product ventilation CD and DVD drive safety Electrical current safety informationUsing headphones or earphones Laser compliance statementLiquid crystal display LCD notice Additional safety information Xiv User Guide Top view Getting to know your computerStatus indicators Wireless module antennasPower button OneKey Recovery Pro program buttonLeft-side view Front view Right-side viewBottom view Status indicators Power and battery status indicator FeaturesSpecifications Lenovo B480 and B485Lenovo B580 Getting to know your computer User Guide 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 systemConnecting the ac power adapter Using the ac power adapter and the battery packChecking the battery status Using the ac power adapterTips on using the ac power adapter Charging the batteryMaximizing the battery life Handling the batteryUsing the touch pad B580 Using the keyboardNumeric keypad B480 and B485Function key combinations OneKey Recovery Pro program buttonConnecting to external devices Using the media card readerInserting a flash media card Enabling Bluetooth communications on your computer Using USB connectorsUsing Bluetooth Using the Nvidia Optimus Graphics featureUser Guide Cable 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? Attaching a mechanical lock Using passwordsUsing a fingerprint reader SecurityUser Guide Solving recovery problems OneKey Recovery ProUser Guide Replacing the battery Replacing devicesStatic electricity prevention Replacing the backup battery Replacing devices Lenovo B580 Replacing the hard disk drive Prerequisites for the procedureUser Guide Lenovo B580 Replacing the keyboard Replacing devices Lenovo B580 Replacing devices Replacing a memory module Replacing devices Lenovo B580 To replace the PCI Express Mini Card, do the following User Guide Lenovo B580 Removing the optical drive Lenovo B580 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 Export classification notice Electronic emission noticesUsage environment and your health Deutschland Industry Canada Class B emission compliance statementUser Guide Appendix B. Weee and recycling statements China Weee statement EU Weee statementsJapan recycling statements Disposing of Lenovo computer components Recycling information for BrazilBattery recycling information for the European Union User Guide Appendix C. Notices Trademarks Index User Guide

B485 specifications

The Lenovo B485 is a versatile and reliable laptop, designed primarily for business professionals and students alike. With its sleek design and impressive specifications, it offers a good balance of performance and affordability. This laptop is ideal for users looking for functionality without breaking the bank.

One of the standout features of the Lenovo B485 is its AMD A-Series processor, which provides robust performance that easily handles everyday tasks such as web browsing, document editing, and multimedia consumption. The integration of the AMD Radeon graphics further enhances the visual experience, enabling users to enjoy videos and games without compromising on quality.

The B485 comes equipped with a 14-inch HD display, offering vibrant colors and sharp images. This size strikes an excellent balance between portability and usability, making it easy to carry around yet spacious enough for productive work. The anti-glare technology ensures that users can work comfortably in various lighting conditions without experiencing eye strain.

In terms of memory and storage, the Lenovo B485 offers configurations that include up to 8GB of RAM and a choice of HDD or SSD storage options. This versatility allows users to customize their device according to their needs, ensuring smooth multi-tasking and ample storage for files, documents, and media.

Connectivity is a key feature of the B485, with multiple USB ports, HDMI output, and Ethernet ports available, enabling quick and reliable connections to a variety of peripherals and networks. The presence of Wi-Fi and Bluetooth technologies ensures seamless wireless connectivity, making it easy to stay connected on the go.

The Lenovo B485 also prioritizes security with features such as a fingerprint reader and a physical webcam shutter, giving users peace of mind regarding their data and privacy. The long battery life is another notable characteristic, allowing users to work unplugged for extended periods without needing frequent recharges, enhancing productivity in various settings.

In conclusion, the Lenovo B485 embodies a practical choice for individuals seeking a dependable laptop packed with essential features. Its combination of performance, connectivity, and security makes it a suitable option for anyone in need of a reliable computer for their daily tasks.
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