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Lenovo 628323U manual Danger, Replace only with a battery of the type recommended by Lenovo

Models: 628323U

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•Do not expose the battery to excessive heat.

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 Danger, Replace only with a battery of the type recommended by Lenovo, Keep the battery pack away from fire

Contents

User Guide ThinkPad X131e ChromebookSafety, Warranty, and Setup Guide Regulatory Notice “Important safety information” on page Appendix D “Notices” on pageFirst Edition March Copyright Lenovo Contents Appendix B. WEEE and recycling statementsAppendix C. ENERGY STAR model information Appendix D. Notices Protect yourself from the heat that your computer generates Read this firstProtect yourself from the heat generated by the ac power adapter Prevent your computer from getting wetHandle your computer gently Important safety informationConditions that require immediate action Carry your computer carefullySafety guidelines Service and upgradesHazardous moving parts. Keep fingers and other body parts away Power cords and power adaptersExtension cords and related devices DANGERExternal devices Power supply statementPlugs and outlets DANGERReplace only with a battery of the type recommended by Lenovo General battery noticeRechargeable battery notice Keep the battery pack away from fireAirflow temperatures into the computer should not exceed 35C 95F Electrical current safety informationHeat and product ventilation DANGER3. Attach signal cables to connectors Using headphones or earphonesLiquid crystal display LCD notice 4. Attach power cords to outlets 5. Turn devices ONDo not connect phone line while using tablet mode Additional safety informationSafety notice for users in Australia DANGER DANGERxii User Guide Front view Locating computer controls, connectors, and indicatorsChapter 1. Product overview CameraPower button Right-side viewSystem status indicator UltraNav pointing deviceac power connector USB 2.0 connectorPower status indicator Media card reader slotUSB 3.0 connectors Left-side viewVGA connector Ethernet connectorBottom view Status indicatorsSystem status indicators BatteryRed The computer is on Fast blinking red The computer is entering sleep modeSlow blinking red The computer is in sleep mode Off The computer is offLocating important product information Wireless status indicatorPower status indicator Machine type and model labelFCC ID and IC Certification number label 8 User GuideWireless features FeaturesSpecifications MemoryBattery pack Operating environmentPower source ac power adapter Battery lifeRegistering your computer Chapter 2. Using your computerFrequently asked questions How can I use the battery power more effectively?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 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 batteryKeep the battery pack away from fire DANGER Do not attempt to disassemble or modify the battery packReplace only with a battery of the type recommended by Lenovo DANGER2. Go to Settings Internet connection Wi-Fi network Connecting to a wireless LANEstablishing wireless LAN connections Wireless LAN connection statusTips for using the wireless LAN feature Connecting a projector or an external monitorAttaching an external monitor Connecting an external monitorUsing audio features Using the cameraUsing a flash media card Inserting a flash media card Removing a flash media card22 User Guide Accessibility and comfort Chapter 3. You and your computerErgonomic information What if you are traveling? Accessibility informationComfort Questions about vision?Travel tips Travel accessoriesTraveling with your computer Assistive technologiesA quality carrying case that provides adequate cushion and protection External storage device26 User Guide Replacing the battery Chapter 4. Replacing devicesStatic electricity prevention Do not expose the battery to excessive heat Replace only with a battery of the type recommended by LenovoKeep the battery pack away from fire Do not expose the battery to water or rainDANGER Replacing a PCI Express Mini Card for wireless LAN connectionDANGER Chapter 4. Replacing devices6. Remove the screw 4. Loosen the screws1 , and then remove the cover 1 . The card pops up1 . Pivot the Replacing a memory module 32 User Guide8. Pivot the memory module downward until it snaps into place DANGER Replacing the keyboardDANGER Removing the keyboard5. Remove the screws that secure the keyboard 4. Loosen the screws1 , and then remove the cover 6. Turn the computer over and open the displayTo install the keyboard, do the following by flipping the connectorsInstalling the keyboard to unlatch the front side of the keyboard. Thedownward by flipping the connectors1. Attach the cables Chapter 4. Replacing devicesand pivot it downward 4. Reinstall the screws5. Attach the cover 2 . Then tighten the screws6. Reinstall the battery. See “Replacing the battery” on page Chapter 4. Replacing devices40 User Guide Be careful about where and how you work Chapter 5. Troubleshooting computer problemsTaking care of your computer Be gentle with your computerCarry your computer properly Cleaning the cover of your computerCleaning your computer keyboard Handle storage media and drives properlyComputer stops responding Cleaning your computer displayEthernet problems Memory module problemsNetworking problems Spills on the keyboardAn UltraNav pointing device problem A 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 problemsPower problems Battery and power problemsBattery problems 48 User GuideA power button problem Sleep problemsProblem Your computer does not enter sleep mode Before you contact Lenovo Getting help and serviceChapter 6. Getting support Recording problem symptoms and detailsLenovo Support Web site Calling LenovoTelephone numbers Purchasing additional services Finding ThinkPad options54 User Guide Appendix A. Regulatory information Wireless related informationLocation of the UltraConnect wireless antennas Wireless interoperabilityElectronic emission notices Locating wireless regulatory noticesExport classification notice Federal Communications Commission Declaration of ConformityResponsible Party Lenovo United States Incorporated 58 User Guide Battery recycling information for the United States and Canada Appendix B. WEEE and recycling statementsImportant WEEE information 60 User Guide Appendix C. ENERGY STAR model information 62 User Guide Appendix D. Notices Lenovo United States, Inc 1009 Think Place - Building OneMorrisville, NC U.S.A Attention Lenovo Director of Licensing Trademarks Page Part Number Printed in 1P P/N