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Lenovo T431s, 20AA000BUS, 20AA000MUS manual User Guide

Models: 20AA T431s 20AA000MUS 20AA000BUS

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Lenovo T431s, 20AA000BUS, 20AA000MUS manual User Guide

Contents

User Guide Safety, Warranty, and Setup Guide Regulatory Notice Contents Replacing devices Appendix F. EurAsia Compliance Mark Iv User Guide 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 informationProtect your computer and data when moving it Carry your computer carefullyService and upgrades Safety guidelinesConditions that require immediate action Power cords and power adapters Extension cords and related devices Power supply statementPlugs and outlets Built-in rechargeable battery notice General battery noticeExternal devices Lithium coin cell battery notice Heat and product ventilationElectrical current safety information Additional safety information Using headphones or earphonesLiquid crystal display LCD notice Xiv User Guide Product overview Locating computer controls, connectors, and indicatorsFront view Microphones Power buttonCamera Fingerprint reader on some modelsRight-side view Always On USB 3.0 connectorMini DisplayPort connector Fan louversLeft-side view Power connectorEthernet connector Security keyholeBottom view Status indicators Rear viewMicrophone-mute indicator Fn Lock indicatorSpeaker-mute indicator Camera status indicatorMachine type and model information Locating important product informationFCC ID and IC Certification information Memory FeaturesMicroprocessor Storage deviceSpecifications Operating environment Accessing Lenovo programs on the Windows 7 operating systemLenovo programs Accessing Lenovo programs from Control Panel Program Icon nameAccessing Lenovo programs on the Windows 8 operating system Lenovo program overview Password Manager Lenovo SettingsLenovo Solution Center Power ManagerSystem Update Registering your computer Using your computerFrequently asked questions Can I get my user guide in another language?Is getting connected in different locations a challenge? How can I use the battery power more effectively?How do I attach or replace a device? Special keys Function keysUsing the ThinkPad pointing device Windows keyCustomizing the ThinkPad pointing device Changing the capPower management Checking the battery statusMaximizing the battery life Using the ac power adapterCharging the battery Connecting the ac power adapterSelect Power off display Sleep Managing the battery powerPower-saving modes HibernationClick the Global Power Settings tab Connecting to the networkClick Administrative Tools Ethernet connectionsTips for using the wireless LAN feature Wireless connectionsWireless LAN Wireless WANBluetooth Establishing a wireless connectionUsing Bluetooth Click Hardware and Sound Click Devices and PrintersAccess Connections gauge Checking the wireless network connection statusSelect Send To Bluetooth Devices Access Connections status iconEnabling or disabling the wireless features Using an external monitorAccess Connections wireless status icon Setting the monitor type Connecting an external monitorSet Resolution Click Advanced Settings Considerations for using the Extend desktop function Changing display settingsUsing the Extend desktop function Considerations for attaching an external monitorSetting up a presentation Using audio featuresConfiguring camera settings Using the cameraConfiguring for sound recording Then click Hardware and Sound Realtek HD Audio ManagerInserting a media card Using a media cardRemoving a media card You and your computer Accessibility and comfortErgonomic information Accessibility information ComfortAssistive technologies Traveling with your computerTravel tips Screen-reader technologiesTravel accessories Typing passwords Using passwordsPasswords and sleep mode SecuritySetting a power-on password Power-on passwordHard disk passwords Select Power-on PasswordSetting a hard disk password Select Hard Disk 1 Password or Hard Disk 2 PasswordSupervisor password Changing or removing a hard disk passwordSetting, changing, or removing a supervisor password Select Supervisor PasswordUsing Windows BitLocker Drive Encryption Hard disk securitySetting the security chip Setting the security chipEncryption Enrolling your fingerprint Using the fingerprint readerSwiping your finger over the reader Maintaining the fingerprint reader Using firewalls Protecting data against virusesSecurity User Guide Creating and using a recovery media Recovery overviewRecovery overview for the Windows 7 operating system Creating recovery mediaPerforming backup and recovery operations Performing a backup operationClick the Restore your system from a backup icon Using the Rescue and Recovery workspacePerforming a recovery operation Rescue files from your hard disk drive or from a backupUsing a rescue medium Creating and using a rescue mediumCreating a rescue medium Reinstalling preinstalled programs Reinstalling preinstalled programs and device driversSolving recovery problems Reinstalling preinstalled device driversRefreshing your computer Recovery overview for the Windows 8 operating systemResetting your computer to the factory default settings Advanced startup optionsRecovery overview User Guide Replacing devices Disabling the built-in batterySelect Disable Built-in Battery Static electricity preventionInstalling or replacing the SIM card Replacing the base cover assembly Replacing the hard disk drive or solid-state drive Replacing devices Replacing a memory module Replacing an M.2 wireless LAN card User Guide Replacing devices Replacing an M.2 wireless WAN card Replacing devices User Guide Replacing the backup battery Replacing the keyboard Replacing devices User Guide Replacing devices User Guide Replacing devices User Guide Finding ThinkPad options Enhancing your computerThinkPad port replicators and docking stations Front view Enhancing your computer Power connector Connect the ac power adapter Enhancing your computer Attaching a ThinkPad port replicator or docking station Enhancing your computer Detaching a ThinkPad port replicator or docking station Security feature Using the system lock key Installing a new operating system Advanced configurationBefore you begin Installing the registry patches for Windows Installing the Windows 7 operating systemSelect UEFI/Legacy Boot Installing the Windows 7 fix modulesSelect Startup Boot Installing the Windows 8 operating systemInstalling the driver for USB 3.0 for Windows Installing the Windows 8 fix modulesClick Change display settings Click Advanced Settings Installing other drivers and software for WindowsThinkPad Setup Click PropertiesConfig menu Main menuMenu item Submenu item Value Comments Network USB Keyboard/Mouse Maximize Performance Ahci Date and Time menu Security menuMenu item Submenu item Value Comments Password Bios ROM Uefi Bios Standard Mode Startup menuChanging the startup sequence Network Boot Restart menuUsing system management Updating your system Uefi BiosSystem management Network Boot sequence Setting management featuresAsset ID Eeprom Flash update General tips for preventing problems Preventing problems109 Making sure device drivers are current Getting the latest drivers using System UpdateGetting the latest drivers from the Web site Be gentle with your computer Be careful about where and how you workTaking care of your computer Carry your computer properlyCare for the fingerprint reader Cleaning the cover of your computerTake care in setting passwords Register your computer Be sure not to modify your computerCleaning your computer keyboard Cleaning your computer displayUser Guide Troubleshooting Troubleshooting computer problemsDiagnosing problems Computer stops respondingSpills on the keyboard Error messagesIf you spill something on your computer Troubleshooting computer problems Errors without messages Beep errors Memory module problemsEthernet problems Networking problemsSolution Wireless WAN problem Problems with the keyboard and other pointing devicesWireless LAN problem Bluetooth problemsComputer screen problems Problems with the display and multimedia devicesKeyboard problems Click KeyboardExternal monitor problems Click Advanced SettingsClick Advanced Settings Set Resolution Click Hardware and Sound Audio problemsDouble-clickSound, video and game controllers Battery and power problems Fingerprint reader problemsBattery problems An ac power adapter problem Power problemsBoot problems Power button problemSleep and hibernation problems Problems with drives and other storage devices Hard disk drive problemsSolid-state drive problem Software problemProblems with ports and connectors USB problemUser Guide Getting support Before you contact LenovoLenovo Support Web site Getting help and serviceUsing diagnostic programs Calling LenovoPurchasing additional services Telephone numbersUser Guide Appendix A. Regulatory information Wireless related informationWireless interoperability 137Locations of the UltraConnect wireless antennas Usage environment and your healthElectronic emission notices Locating wireless regulatory noticesExport classification notice Federal Communications Commission Declaration of ConformityGerman Class B compliance statement Appendix A. Regulatory information User Guide Japan recycling statements Appendix B. Weee and recycling statementsImportant Weee information 143Recycling information for Brazil Battery recycling information for the European UnionDisposing of Lenovo computer components Appendix B. Weee and recycling statements User Guide Click Hardware and Sound Device Manager Appendix C. Energy Star model information147 Click OK Appendix D. Notices 149Trademarks Ukraine RoHS China RoHS Turkish RoHS151 India RoHS Appendix F. EurAsia Compliance Mark 153User Guide Page Part Number 1P P/N