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Lenovo 33472GU, S230U, 33472YU, 3347XF2 manual Click OK

Models: 3347XF2 33472GU 33472YU S230U

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4.In the Power Management tab, clear the Allow this device to wake the computer check box.

5.Click OK.

120User Guide

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Lenovo 33472GU, S230U, 33472YU, 3347XF2 manual Click OK

Contents

User Guide Safety, Warranty, and Setup Guide Regulatory Notice Second Edition December Copyright LenovoContents Preventing problems 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 ViiLithium coin cell battery notice General battery noticeBuilt-in rechargeable battery notice External devicesHeat and product ventilation Electrical current safety information Liquid crystal display LCD noticeUsing headphones or earphones Additional safety informationXii User Guide Front view Locating computer controls, connectors, and indicatorsProduct overview Integrated camera Volume control buttonsSystem status indicator illuminated ThinkPad logo Built-in microphonesRight-side view USB 3.0 connectorMini DisplayPort connector Hard disk or solid-state drive bayLeft-side view Combo audio jack Mini Hdmi connectorEthernet connector Media card reader slotIntegrated battery Status indicatorsSystem status indicators Bottom viewPower status indicator Locating important product information Machine type and model labelFeatures FCC ID and IC Certification number labelSpecifications Operating environment Battery packBattery life Lenovo programsLenovo Solution Center Lenovo SettingsLenovo Mobile Access Lenovo Support Password ManagerRegistering your computer Using your computerFrequently asked questions Is getting connected in different locations a challenge? Tablet modeUsing tablet mode Need to attach or replace a device?Using your computer Tips on using your computer in tablet mode Using the multi-touch screen Tips on using the multi-touch screen Cleaning the multi-touch screenUsing the tablet buttons Special keys and buttonsOther functions Function keys Volume and mute keysDisplay management keys Changing the UltraNav pointing device settings Using the UltraNav pointing deviceSelect Config Keyboard/Mouse Change to F1-F12 keys Windows keyChanging the cap Using the TrackPoint pointing deviceCustomizing the TrackPoint pointing device Customizing the touch pad Using the touch padDisabling the UltraNav pointing device Checking the battery status Power managementUsing the battery power Adding the UltraNav icon to the Windows notification areaMaximizing the battery life Using the ac power adapterCharging the battery Connecting the ac power adapterConnecting to the network Managing the power plansPower-saving modes Click More power optionsEthernet connections Wireless connectionsUsing the wireless LAN and wireless WAN connections Presentations and Multimedia Changing the display settingsUsing Bluetooth Setting the main display Using an external displayConsiderations for using an external monitor Setting the monitor type Using a projectorUsing audio features Set Resolution Click Advanced SettingsConfiguring for sound recording Using the integrated cameraUsing a media card Configuring camera settingsClick Hardware and Sound Device Manager Inserting a media cardRemoving a media card Right-click the Safely Remove Hardware and Eject Media iconErgonomic information Accessibility and comfortYou and your computer Accessibility information ComfortTravel tips Travel accessoriesTraveling with your computer Assistive technologiesUser Guide 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 PasswordSupervisor password Changing or removing a hard disk passwordSetting, changing, or removing a supervisor password Select Supervisor PasswordUsing Windows BitLocker Drive Encryption Hard disk securityClick System and Security BitLocker Drive Encryption Setting the security chipSetting the security chip Using firewalls Protecting data against virusesSecurity User Guide Recovery overview Refreshing your computerUser Guide Replacing devices Disabling the built-in batterySelect Disable Built-in Battery Static electricity preventionUser Guide Replacing the hard disk drive or solid-state drive User Guide Replacing the keyboard User Guide Replacing devices User Guide Replacing a Mini PCI ExpressCard for wireless LAN connection User Guide Replacing devices Installing or replacing the wireless WAN card Replacing devices User Guide Replacing devices User Guide Installing the Windows 8 operating system Advanced configurationInstalling a new operating system Select Startup BootMain menu Installing device drivers ThinkPad SetupInstalling the Windows 8 fix module AC Only Config menuMenu item Submenu item Selection Comments Network IPv4 First EnabledMenu item Submenu item Selection Comments Auto DisabledDefault Keyboard/MouseMenu item Submenu item Selection Comments Display PowerBattery Optimized Always ThinkPad LCDSecurity menu Menu item Submenu item Selection Comments Beep and AlarmDate/Time menu Serial ATA SataMenu item Submenu item Selection Comments Password At unattended boot, a passwordSmbios Reporting Smbios Disabled, the Security Chip optionBios ROM String Reporting Uefi Bios Update OptionAnti-Theft Port AccessMenu item Submenu item Selection Comments Virtualization Changing the startup sequence Menu item Submenu item Selection Comments Secure BootStartup menu Uefi Only and set CSM SupportUEFI/Legacy Boot Uefi Only Menu item Selection Comments BootNetwork Boot UEFI/Legacy Boot Priority Uefi FirstMenu item Selection Comments Boot Device List F12 Option Updating your system Uefi BiosUsing system management Boot Order Lock DisabledSetting management features System managementNetwork Boot sequence Flash updateUser Guide Preventing problems General tips for preventing problemsGetting 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 properlyCleaning your computer keyboard Cleaning the cover of your computerTake care in setting passwords Register your computer Be sure not to modify your computerCleaning your computer display User 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 Problem Solution Beep errorsMemory module problems Solution Networking problemsEthernet problems Bluetooth problems Wireless LAN problemWireless WAN problem Click Hardware and Sound Sound PlaybackKeyboard problems Problems with the keyboard and other pointing devicesUltraNav pointing device problems Problems with the display and multimedia devices Computer screen problemsExternal monitor problems Set Resolution Audio problems Battery and power problems Battery problemsAn ac power adapter problem Power problemsSleep problems Power button problemBoot problems Solid-state drive problem Problems with drives and other storage devicesHard disk drive problems Optical drive problemsSoftware problem Problems with ports and connectors USB problemBefore you contact Lenovo Getting help and serviceGetting support Calling Lenovo Using diagnostic programsLenovo Support Web site Telephone numbers Purchasing additional servicesFinding ThinkPad options User Guide Appendix A. Regulatory information Wireless related informationWireless interoperability 109Location 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 115Disposing of Lenovo computer components Battery recycling information for the European UnionRecycling information for Brazil Appendix B. Weee and recycling statements User Guide Click Hardware and Sound Device Manager Network adapters Power plan Energy Saver settings when plugged into ac powerAppendix C. Energy Star model information 119Click OK Appendix D. Notices 121Trademarks 123 China RoHS Turkish RoHSUkraine RoHS India RoHS