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Lenovo T431s, 20AA000BUS, 20AA000MUS manual Power connector Connect the ac power adapter

Models: 20AA T431s 20AA000MUS 20AA000BUS

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Page 98

Rear view

ThinkPad Port Replicator Series 3 and ThinkPad Port Replicator Series 3 with USB 3.0

1

power connector: Connect the ac power adapter.

2Ethernet connector: Connect the port replicator to an Ethernet LAN. The indicator on the connector is the same as that on the computer.

3

USB 2.0 connectors: Connect USB 2.0 compatible devices.

4USB 2.0 connector (on the ThinkPad Port Replicator Series 3) or USB 3.0 connector (on the ThinkPad Port Replicator Series 3 with USB 3.0): Connect compatible USB devices.

5

External monitor connector: Connect an external monitor.

6Security keyhole: Use a security cable lock that fits this keyhole to lock your port replicator to a stationary object to protect it from theft.

ThinkPad Mini Dock Series 3 and ThinkPad Mini Dock Series 3 with USB 3.0

1

power connector: Connect the ac power adapter.

82User Guide

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Lenovo T431s, 20AA000BUS, 20AA000MUS manual Power connector Connect the ac power adapter

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 carefullyConditions that require immediate action Safety guidelinesService and upgrades Power cords and power adapters Plugs and outlets Power supply statementExtension cords and related devices External devices General battery noticeBuilt-in rechargeable battery notice Lithium coin cell battery notice Heat and product ventilationElectrical current safety information Liquid crystal display LCD notice Using headphones or earphonesAdditional safety information Xiv User Guide Front view Locating computer controls, connectors, and indicatorsProduct overview 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 indicatorFCC ID and IC Certification information Locating important product informationMachine type and model information Memory FeaturesMicroprocessor Storage deviceSpecifications Lenovo programs Accessing Lenovo programs on the Windows 7 operating systemOperating environment 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?How do I attach or replace a device? How can I use the battery power more effectively?Is getting connected in different locations a challenge? 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 iconAccess Connections wireless status icon Using an external monitorEnabling or disabling the wireless features Set Resolution Click Advanced Settings Connecting an external monitorSetting the monitor type 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 ManagerRemoving a media card Using a media cardInserting a media card Ergonomic information Accessibility and comfortYou and your computer 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 securityEncryption Setting the security chipSetting the security chip Swiping your finger over the reader Using the fingerprint readerEnrolling your fingerprint 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 backupCreating a rescue medium Creating and using a rescue mediumUsing 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 ThinkPad port replicators and docking stations Enhancing your computerFinding ThinkPad options 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 Before you begin Advanced configurationInstalling a new operating system 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 menuSystem management Updating your system Uefi BiosUsing system management Asset ID Eeprom Setting management featuresNetwork Boot sequence Flash update 109 Preventing problemsGeneral tips for preventing problems Getting the latest drivers from the Web site Getting the latest drivers using System UpdateMaking sure device drivers are current 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 respondingIf you spill something on your computer Error messagesSpills on the keyboard Troubleshooting computer problems Errors without messages Beep errors Memory module problemsSolution Networking problemsEthernet problems 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 Double-clickSound, video and game controllers Audio problemsClick Hardware and Sound Battery problems Fingerprint reader problemsBattery and power problems An ac power adapter problem Power problemsSleep and hibernation problems Power button problemBoot 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 143Disposing of Lenovo computer components Battery recycling information for the European UnionRecycling information for Brazil Appendix B. Weee and recycling statements User Guide 147 Appendix C. Energy Star model informationClick Hardware and Sound Device Manager Click OK Appendix D. Notices 149Trademarks 151 China RoHS Turkish RoHSUkraine RoHS India RoHS Appendix F. EurAsia Compliance Mark 153User Guide Page Part Number 1P P/N