Lenovo 33472YU, S230U, 33472GU, 3347XF2 manual Power status indicator

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Note: Your computer keyboard might look different from the illustration above.

The meaning of the indicator is as follows:

•Red: The computer is on (in normal mode).

•Fast blinking red: The computer is turning off.

•Slow blinking red: The computer is in sleep mode.

•Off: The computer is off.

Power status indicator

Your computer has an indicator that shows the status of ac power.

Chapter 1. Product overview 7

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Contents User Guide Second Edition December Copyright Lenovo Safety, Warranty, and Setup Guide Regulatory NoticeContents Preventing problems Protect yourself from the heat that your computer generates Read this firstPrevent your computer from getting wet Protect the cables from being damagedProtect your computer and data when moving it Important safety informationHandle your computer gently Carry your computer carefullySafety guidelines Service and upgradesConditions that require immediate action Power cords and power adapters Extension cords and related devices Power supply statementPlugs and outlets ViiBuilt-in rechargeable battery notice General battery noticeLithium coin cell battery notice External devicesHeat and product ventilation Liquid crystal display LCD notice Electrical current safety informationAdditional safety information Using headphones or earphonesXii User Guide Locating computer controls, connectors, and indicators Product overviewFront view System status indicator illuminated ThinkPad logo Volume control buttonsIntegrated camera Built-in microphonesMini DisplayPort connector USB 3.0 connectorRight-side view Hard disk or solid-state drive bayLeft-side view Ethernet connector Mini Hdmi connectorCombo audio jack Media card reader slotSystem status indicators Status indicatorsIntegrated battery Bottom viewPower status indicator Machine type and model label Locating important product informationFCC ID and IC Certification number label FeaturesSpecifications Battery life Battery packOperating environment Lenovo programsLenovo Mobile Access Lenovo SettingsLenovo Solution Center Lenovo Support Password ManagerUsing your computer Frequently asked questionsRegistering your computer Using tablet mode Tablet modeIs getting connected in different locations a challenge? Need to attach or replace a device?Using your computer Tips on using your computer in tablet mode Using the multi-touch screen Cleaning the multi-touch screen Tips on using the multi-touch screenSpecial keys and buttons Using the tablet buttonsFunction keys Volume and mute keys Display management keysOther functions Select Config Keyboard/Mouse Change to F1-F12 keys Using the UltraNav pointing deviceChanging the UltraNav pointing device settings Windows keyUsing the TrackPoint pointing device Customizing the TrackPoint pointing deviceChanging the cap Using the touch pad Disabling the UltraNav pointing deviceCustomizing the touch pad Using the battery power Power managementChecking the battery status Adding the UltraNav icon to the Windows notification areaCharging the battery Using the ac power adapterMaximizing the battery life Connecting the ac power adapterPower-saving modes Managing the power plansConnecting to the network Click More power optionsWireless connections Using the wireless LAN and wireless WAN connectionsEthernet connections Changing the display settings Using BluetoothPresentations and Multimedia Using an external display Considerations for using an external monitorSetting the main display Using audio features Using a projectorSetting the monitor type Set Resolution Click Advanced SettingsUsing a media card Using the integrated cameraConfiguring for sound recording Configuring camera settingsRemoving a media card Inserting a media cardClick Hardware and Sound Device Manager Right-click the Safely Remove Hardware and Eject Media iconAccessibility and comfort You and your computerErgonomic information Comfort Accessibility informationTraveling with your computer Travel accessoriesTravel tips Assistive technologiesUser Guide Passwords and sleep mode Using passwordsTyping passwords SecurityHard disk passwords Power-on passwordSetting a power-on password Select Power-on PasswordSelect Hard Disk 1 Password Setting a hard disk passwordChanging or removing a hard disk password Supervisor passwordSelect Supervisor Password Setting, changing, or removing a supervisor passwordHard disk security Using Windows BitLocker Drive EncryptionSetting the security chip Setting the security chipClick System and Security BitLocker Drive Encryption Protecting data against viruses Using firewallsSecurity User Guide Refreshing your computer Recovery overviewUser Guide Select Disable Built-in Battery Disabling the built-in batteryReplacing devices 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 a new operating system Advanced configurationInstalling the Windows 8 operating system Select Startup BootInstalling device drivers ThinkPad Setup Installing the Windows 8 fix moduleMain menu Config menu Menu item Submenu item Selection Comments NetworkAC Only Enabled Menu item Submenu item Selection CommentsIPv4 First Default DisabledAuto Keyboard/MouseBattery Optimized Always PowerMenu item Submenu item Selection Comments Display ThinkPad LCDDate/Time menu Menu item Submenu item Selection Comments Beep and AlarmSecurity menu Serial ATA SataAt unattended boot, a password Menu item Submenu item Selection Comments PasswordBios ROM String Reporting Disabled, the Security Chip optionSmbios Reporting Smbios Uefi Bios Update OptionPort Access Menu item Submenu item Selection Comments VirtualizationAnti-Theft Startup menu Menu item Submenu item Selection Comments Secure BootChanging the startup sequence Uefi Only and set CSM SupportNetwork Boot Menu item Selection Comments BootUEFI/Legacy Boot Uefi Only UEFI/Legacy Boot Priority Uefi FirstUsing system management Updating your system Uefi BiosMenu item Selection Comments Boot Device List F12 Option Boot Order Lock DisabledSystem management Setting management featuresFlash update Network Boot sequenceUser Guide General tips for preventing problems Preventing problemsGetting the latest drivers using System Update Making sure device drivers are currentGetting the latest drivers from the Web site Taking care of your computer Be careful about where and how you workBe gentle with your computer Carry your computer properlyTake care in setting passwords Cleaning the cover of your computerCleaning your computer keyboard Register your computer Be sure not to modify your computerCleaning your computer display User Guide Diagnosing problems Troubleshooting computer problemsTroubleshooting Computer stops respondingError messages Spills on the keyboardIf you spill something on your computer Troubleshooting computer problems Errors without messages Beep errors Memory module problemsProblem Solution Networking problems Ethernet problemsSolution Wireless WAN problem Wireless LAN problemBluetooth problems Click Hardware and Sound Sound PlaybackProblems with the keyboard and other pointing devices UltraNav pointing device problemsKeyboard problems Computer screen problems Problems with the display and multimedia devicesExternal monitor problems Set Resolution Audio problems Battery problems Battery and power problemsPower problems An ac power adapter problemPower button problem Boot problemsSleep problems Hard disk drive problems Problems with drives and other storage devicesSolid-state drive problem Optical drive problemsSoftware problem USB problem Problems with ports and connectorsGetting help and service Getting supportBefore you contact Lenovo Using diagnostic programs Lenovo Support Web siteCalling Lenovo Purchasing additional services Finding ThinkPad optionsTelephone numbers User Guide Wireless interoperability Wireless related informationAppendix A. Regulatory information 109Usage environment and your health Location of the UltraConnect wireless antennasExport classification notice Locating wireless regulatory noticesElectronic emission notices Federal Communications Commission Declaration of ConformityGerman Class B compliance statement Appendix A. Regulatory information User Guide Important Weee information Appendix B. Weee and recycling statementsJapan recycling statements 115Battery recycling information for the European Union Recycling information for BrazilDisposing of Lenovo computer components Appendix B. Weee and recycling statements User Guide Appendix C. Energy Star model information Power plan Energy Saver settings when plugged into ac powerClick Hardware and Sound Device Manager Network adapters 119Click OK 121 Appendix D. NoticesTrademarks China RoHS Turkish RoHS Ukraine RoHS123 India RoHS

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