Lenovo 628323U manual User Guide

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DANGER

If the rechargeable battery pack is incorrectly replaced, there is danger of an explosion. The battery pack contains a small amount of harmful substances. To avoid injury:

•Replace only with a battery of the type recommended by Lenovo.

•Keep the battery pack away from fire.

•Do not expose the battery to excessive heat.

•Do not expose the battery to water or rain.

•Do not short-circuit the battery.

•Do not drop, crush, puncture, or subject to strong forces. Battery abuse or mishandling can cause the battery to overheat, which can cause gasses or flame to “vent” from the battery pack.

To replace the battery, do the following:

1.Turn off the computer. Then disconnect the ac power adapter and all cables from the computer.

2.Close the computer display and turn the computer over.

3.Unlock the battery latch 1 . Holding the battery lock lever in the unlocked position and remove the battery pack 2 .

28User Guide

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Contents User Guide Safety, Warranty, and Setup Guide Regulatory Notice Contents Appendix B. Weee and recycling Statements Prevent your computer from getting wet Read this firstProtect yourself from the heat that your computer generates Protect the cables from being damagedHandle your computer gently Important safety informationConditions that require immediate action Carry your computer carefullySafety guidelines Service and upgradesPower cords and power adapters Extension cords and related devicesPower supply statement Plugs and outletsExternal devices General battery notice Rechargeable battery noticeElectrical current safety information Heat and product ventilationUsing headphones or earphones Liquid crystal display LCD noticeAdditional safety information Xii User Guide Front view Locating computer controls, connectors, and indicatorsProduct overview CameraRight-side view System status indicatorPower button MicrophoneAc power connector USB 2.0 connectorPower status indicator Media card reader slotEthernet connector VGA connectorUSB 3.0 connectors Left-side viewStatus indicators System status indicatorsBottom view User Guide Locating important product information Wireless status indicatorPower status indicator Machine type and model labelFCC ID and IC Certification number label Features SpecificationsBattery life Power source ac power adapterBattery pack Operating environmentHow can I use the battery power more effectively? Using your computerFrequently asked questions Registering your computerSpecial keys How do I give presentations or attach an external monitor?How do I attach or replace a device? Using the UltraNav pointing device Using the TrackPoint pointing deviceUsing the touch pad Changing the capCustomizing the touch pad Using the ac power adapter Power managementChecking the battery status Connecting the ac power adapterPower-saving modes Charging the batteryMaximizing the battery life Handling the batteryUsing your computer Go to Settings Internet connection Wi-Fi network Connecting to a wireless LANEstablishing wireless LAN connections Wireless LAN connection statusConnecting an external monitor Connecting a projector or an external monitorTips for using the wireless LAN feature Attaching an external monitorUsing audio features Using the cameraUsing a flash media card Inserting a flash media card Removing a flash media cardUser Guide Accessibility and comfort You and your computerErgonomic information Accessibility information ComfortTravel tips Travel accessoriesTraveling with your computer Assistive technologiesUser Guide Replacing the battery Replacing devicesStatic electricity prevention User Guide Before you start, print these instructions User Guide Replacing devices Replacing a memory module Replacing devices Replacing the keyboard Replacing devices Installing the keyboard Replacing devices User Guide Replacing devices User Guide Taking care of your computer Troubleshooting computer problemsBe careful about where and how you work Be gentle with your computerCleaning the cover of your computer Cleaning your computer display Computer stops respondingEthernet problems Memory module problemsNetworking problems Spills on the keyboardAn UltraNav pointing device problem Wireless LAN problemProblems with the keyboard and other pointing devices SolutionKeyboard problems Problems with the display and multimedia devicesComputer screen problems External monitor problems Audio problemsBattery and power problems Battery problemsPower problems Power button problem Sleep problemsUser Guide Getting help and service Getting supportBefore you contact Lenovo Lenovo Support Web site Calling LenovoTelephone numbers Purchasing additional services Finding ThinkPad optionsUser Guide Wireless interoperability Wireless related informationLocation of the UltraConnect wireless antennas Appendix A. Regulatory informationElectronic emission notices Locating wireless regulatory noticesExport classification notice Federal Communications Commission Declaration of ConformityAppendix A. Regulatory information User Guide Appendix B. Weee and recycling statements Important Weee informationUser Guide Power plan Energy Saver settings when plugged into ac power Appendix C. Energy Star model informationUser Guide Appendix D. Notices Trademarks Page Part Number Printed 1P P/N