Lenovo 628323U manual Before you start, print these instructions

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4. Insert a new battery until it clicks into place

1 , and then slide the battery latch to the locked position

2.

5. Turn the computer over again. Connect the ac power adapter and all cables.

Replacing a PCI Express Mini Card for wireless LAN connection

Before you start, print these instructions.

DANGER

During electrical storms, do not connect the cable to or disconnect it from the telephone outlet on the wall.

DANGER

Electric current from power, telephone, and communication cables is hazardous. To avoid shock hazard, disconnect the cables before opening the cover of this slot.

Attention: Before you start installing a PCI Express Mini Card, touch a metal table or a grounded metal object. This action reduces any static electricity from your body. The static electricity could damage the card.

To replace the PCI Express Mini Card for wireless LAN connection, do the following:

1.Turn off the computer; then disconnect the ac power adapter and all cables from the computer. Wait three to five minutes to let the computer cool.

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

3.Remove the battery. See “Replacing the battery” on page 27.

Chapter 4. Replacing devices 29

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Contents User Guide Safety, Warranty, and Setup Guide Regulatory Notice Contents Appendix B. Weee and recycling Statements Protect the cables from being damaged Read this firstProtect yourself from the heat that your computer generates Prevent your computer from getting wetCarry your computer carefully 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 noticeHeat and product ventilation Electrical current safety informationLiquid crystal display LCD notice Using headphones or earphonesAdditional safety information Xii User Guide Camera Locating computer controls, connectors, and indicatorsProduct overview Front viewMicrophone System status indicatorPower button Right-side viewMedia card reader slot USB 2.0 connectorPower status indicator Ac power connectorLeft-side view VGA connectorUSB 3.0 connectors Ethernet connectorSystem status indicators Status indicatorsBottom view User Guide Machine type and model label Wireless status indicatorPower status indicator Locating important product informationFCC ID and IC Certification number label Specifications FeaturesOperating environment Power source ac power adapterBattery pack Battery lifeRegistering your computer Using your computerFrequently asked questions How can I use the battery power more effectively?How do I give presentations or attach an external monitor? Special keysHow do I attach or replace a device? Using the TrackPoint pointing device Using the UltraNav pointing deviceChanging the cap Using the touch padCustomizing the touch pad Connecting the ac power adapter Power managementChecking the battery status Using the ac power adapterHandling the battery Charging the batteryMaximizing the battery life Power-saving modesUsing your computer Wireless LAN connection status Connecting to a wireless LANEstablishing wireless LAN connections Go to Settings Internet connection Wi-Fi networkAttaching an external monitor Connecting a projector or an external monitorTips for using the wireless LAN feature Connecting an external monitorUsing the camera Using audio featuresUsing a flash media card Removing a flash media card Inserting a flash media cardUser Guide You and your computer Accessibility and comfortErgonomic information Comfort Accessibility informationAssistive technologies Travel accessoriesTraveling with your computer Travel tipsUser Guide Replacing devices Replacing the batteryStatic 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 Be gentle with your computer Troubleshooting computer problemsBe careful about where and how you work Taking care of your computerCleaning the cover of your computer Computer stops responding Cleaning your computer displaySpills on the keyboard Memory module problemsNetworking problems Ethernet problemsSolution Wireless LAN problemProblems with the keyboard and other pointing devices An UltraNav pointing device problemProblems with the display and multimedia devices Keyboard problemsComputer screen problems Audio problems External monitor problemsBattery problems Battery and power problemsPower problems Sleep problems Power button problemUser Guide Getting support Getting help and serviceBefore you contact Lenovo Calling Lenovo Lenovo Support Web siteTelephone numbers Finding ThinkPad options Purchasing additional servicesUser Guide Appendix A. Regulatory information Wireless related informationLocation of the UltraConnect wireless antennas Wireless interoperabilityFederal Communications Commission Declaration of Conformity Locating wireless regulatory noticesExport classification notice Electronic emission noticesAppendix A. Regulatory information User Guide Important Weee information Appendix B. Weee and recycling statementsUser Guide Appendix C. Energy Star model information Power plan Energy Saver settings when plugged into ac powerUser Guide Appendix D. Notices Trademarks Page Part Number Printed 1P P/N