User Guide | Lenovo 628323U specification

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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Lenovo 628323U manual User Guide

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 damaged Handle your computer gently Important safety informationConditions that require immediate action Carry your computer carefully Safety guidelines Service and upgrades Power cords and power adapters Extension cords and related devices Power supply statement Plugs and outletsExternal devices General battery notice Rechargeable battery notice Electrical current safety information Heat and product ventilation Using headphones or earphones Liquid crystal display LCD notice Additional safety information Xii User Guide Front view Locating computer controls, connectors, and indicatorsProduct overview Camera Right-side view System status indicatorPower button Microphone Ac power connector USB 2.0 connectorPower status indicator Media card reader slot Ethernet connector VGA connectorUSB 3.0 connectors Left-side view Status indicators System status indicatorsBottom view User Guide Locating important product information Wireless status indicatorPower status indicator Machine type and model label FCC ID and IC Certification number label Features Specifications Battery life Power source ac power adapterBattery pack Operating environment How can I use the battery power more effectively? Using your computerFrequently asked questions Registering your computer Special 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 device Using the touch pad Changing the capCustomizing the touch pad Using the ac power adapter Power managementChecking the battery status Connecting the ac power adapter Power-saving modes Charging the batteryMaximizing the battery life Handling the battery Using your computer Go to Settings Internet connection Wi-Fi network Connecting to a wireless LANEstablishing wireless LAN connections Wireless LAN connection status Connecting an external monitor Connecting a projector or an external monitorTips for using the wireless LAN feature Attaching an external monitor Using audio features Using the cameraUsing a flash media card Inserting a flash media card Removing a flash media card User Guide Accessibility and comfort You and your computerErgonomic information Accessibility information Comfort Travel tips Travel accessoriesTraveling with your computer Assistive technologies User 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 computer Cleaning the cover of your computer Cleaning your computer display Computer stops responding Ethernet problems Memory module problemsNetworking problems Spills on the keyboard An UltraNav pointing device problem Wireless LAN problemProblems with the keyboard and other pointing devices Solution Keyboard problems Problems with the display and multimedia devicesComputer screen problems External monitor problems Audio problems Battery and power problems Battery problemsPower problems Power button problem Sleep problems User Guide Getting help and service Getting supportBefore you contact Lenovo Lenovo Support Web site Calling LenovoTelephone numbers Purchasing additional services Finding ThinkPad options User Guide Wireless interoperability Wireless related informationLocation of the UltraConnect wireless antennas Appendix A. Regulatory information Electronic emission notices Locating wireless regulatory noticesExport classification notice Federal Communications Commission Declaration of Conformity Appendix A. Regulatory information User Guide Appendix B. Weee and recycling statements Important Weee information User Guide Power plan Energy Saver settings when plugged into ac power Appendix C. Energy Star model information User Guide Appendix D. Notices Trademarks Page Part Number Printed 1P P/N