Lenovo B485 manual Electrical current safety information, CD and DVD drive safety

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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.

CD and DVD drive safety

CD and DVD drives spin discs at a high speed. If a CD or DVD is cracked or otherwise physically damaged, it is possible for the disc to break apart or even shatter when the CD drive is in use. To protect against possible injury due to this situation, and to reduce the risk of damage to your computer, do the following:

•Always store CD/DVD discs in their original packaging.

•Always store CD/DVD discs out of direct sunlight and away from direct heat sources.

•Remove CD/DVD discs from the computer when not in use.

•Do not bend or flex CD/DVD discs, or force them into the computer or their packaging.

•Check CD/DVD discs for cracks before each use. Do not use cracked or damaged discs.

© Copyright Lenovo 2012

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Contents Lenovo B480, B485, and B580 User GuideSafety and Warranty Guide Regulatory Notice Contents Appendix C. Notices Protect yourself from the heat that your computer generates Read this firstPrevent your computer from getting wet Protect the cables from being damagedProtect your computer and data when moving it Important safety informationConditions that require immediate action Handle your computer gentlyService and upgrades Safety guidelinesExtension cords and related devices Power cords and power adaptersPlugs and outlets Power supply statementExternal devices Rechargeable battery notice General battery noticeLithium coin cell battery notice Heat and product ventilation CD and DVD drive safety Electrical current safety informationLaser compliance statement Using headphones or earphonesLiquid crystal display LCD notice Additional safety information Xiv User Guide Top view Getting to know your computerPower button Wireless module antennasOneKey Recovery Pro program button Status indicatorsLeft-side view Front view Right-side viewBottom view Status indicators Power and battery status indicator FeaturesLenovo B480 and B485 SpecificationsLenovo B580 Getting to know your computer User Guide Frequently asked questions Using your computerConnecting to power Tips on using your computerConfiguring the operating system Putting the computer into sleep mode or shutting it downChecking the battery status Using the ac power adapter and the battery packUsing the ac power adapter Connecting the ac power adapterMaximizing the battery life Charging the batteryHandling the battery Tips on using the ac power adapterUsing the touch pad Numeric keypad Using the keyboardB480 and B485 B580Function key combinations OneKey Recovery Pro program buttonUsing the media card reader Connecting to external devicesInserting a flash media card Using Bluetooth Using USB connectorsUsing the Nvidia Optimus Graphics feature Enabling Bluetooth communications on your computerUser Guide Wired connection Connecting to the networkHardware connection CableWireless connection Software configurationConnecting to the network User Guide You and your computer Accessibility and comfortErgonomic information What if you are traveling? Using a fingerprint reader Using passwordsSecurity Attaching a mechanical lockUser Guide Solving recovery problems OneKey Recovery ProUser Guide Replacing devices Replacing the batteryStatic 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 problemsTaking care of your computer Be careful about where and how you workBe gentle with your computer Carry your computer properlyClean the cover of your computer Take care in setting passwordsHandle storage media and drives properly Data protectionCleaning your computer display Cleaning your computer keyboardRegistering your computer Be sure not to modify your computerTroubleshooting Troubleshooting computer problemsBattery and power problems Battery problemsAn ac power adapter problem Computer screen problemsStartup problem Sleep and hibernation problemsHard disk drive problems Problems with drives and other storage devicesPassword problem OneKey Recovery Pro program problemsOptical drive problems Other problems Sound problemYour computer does not respond Computer does not start from a device you wantUser Guide Wireless interoperability Wireless related informationAppendix A. Regulatory information Electronic emission notices Export classification noticeUsage environment and your health Deutschland Industry Canada Class B emission compliance statementUser Guide China Weee statement EU Weee statements Appendix B. Weee and recycling 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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