Lenovo S230U, 33472YU Electrical current safety information, Liquid crystal display LCD notice

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Electrical current safety information

DANGER

Electric current from power, telephone, and communication cables is hazardous.

To avoid a shock hazard:

•Do not use your computer during a lightning storm.

•Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm.

•Connect all power cords to a properly wired and grounded electrical outlet.

•Connect to properly wired outlets any equipment that will be attached to this product.

•Whenever possible, use one hand only to connect or disconnect signal cables.

•Never turn on any equipment when there is evidence of fire, water, or structural damage.

•Disconnect all attached cables and disable batteries before opening any accessible device covers unless instructed otherwise in the installation and configuration procedures.

•Do not use your computer until all internal parts enclosures are fastened into place. Never use the computer when internal parts and circuits are exposed.

DANGER

Connect and disconnect cables as described in the following procedures when installing, moving, or opening covers on this product or attached devices.

To connect:

1.Turn everything OFF.

2.First, attach all cables to devices.

3.Attach signal cables to connectors.

4.Attach power cords to outlets.

5.Turn devices ON.

To disconnect:

1.Turn everything OFF.

2.First, remove power cords from outlets.

3.Remove signal cables from connectors.

4.Remove all cables from devices.

The power cord must be disconnected from the wall outlet or receptacle before installing all other electrical cables connected to the computer.

The power cord may be reconnected to the wall outlet or receptacle only after all other electrical cables have been connected to the computer.

Liquid crystal display (LCD) notice

CAUTION:

The liquid crystal display (LCD) is made of glass, and rough handling or dropping the computer can cause the LCD to break. If the LCD breaks and the internal fluid gets into your eyes or on your hands, immediately wash the affected areas with water for at least 15 minutes; if any symptoms are present after washing, get medical care.

Note: For products with mercury-containing fluorescent lamps (for example, non-LED), the fluorescent lamp in the liquid crystal display (LCD) contains mercury; dispose of according to local, state, or federal laws.

xUser Guide

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Contents User Guide Safety, Warranty, and Setup Guide Regulatory Notice Second Edition December Copyright LenovoContents Preventing problems Read this first Protect yourself from the heat that your computer generatesPrevent your computer from getting wet Protect the cables from being damagedImportant safety information Protect your computer and data when moving itHandle your computer gently Carry your computer carefullySafety guidelines Service and upgradesConditions that require immediate action Power cords and power adapters Power supply statement Extension cords and related devicesPlugs and outlets ViiGeneral battery notice Built-in rechargeable battery noticeLithium coin cell battery notice External devicesHeat and product ventilation Electrical current safety information Liquid crystal display LCD noticeUsing headphones or earphones Additional safety informationXii User Guide Locating computer controls, connectors, and indicators Product overviewFront view Volume control buttons System status indicator illuminated ThinkPad logoIntegrated camera Built-in microphonesUSB 3.0 connector Mini DisplayPort connectorRight-side view Hard disk or solid-state drive bayLeft-side view Mini Hdmi connector Ethernet connectorCombo audio jack Media card reader slotStatus indicators System status indicatorsIntegrated battery Bottom viewPower status indicator Locating important product information Machine type and model labelFeatures FCC ID and IC Certification number labelSpecifications Battery pack Battery lifeOperating environment Lenovo programsLenovo Settings Lenovo Mobile AccessLenovo Solution Center Lenovo Support Password ManagerUsing your computer Frequently asked questionsRegistering your computer Tablet mode Using 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 Tips on using the multi-touch screen Cleaning the multi-touch screenUsing the tablet buttons Special keys and buttonsFunction keys Volume and mute keys Display management keysOther functions Using the UltraNav pointing device Select Config Keyboard/Mouse Change to F1-F12 keysChanging 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 Power management Using the battery powerChecking the battery status Adding the UltraNav icon to the Windows notification areaUsing the ac power adapter Charging the batteryMaximizing the battery life Connecting the ac power adapterManaging the power plans Power-saving modesConnecting 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 a projector Using audio featuresSetting the monitor type Set Resolution Click Advanced SettingsUsing the integrated camera Using a media cardConfiguring for sound recording Configuring camera settingsInserting a media card Removing 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 Accessibility information ComfortTravel accessories Traveling with your computerTravel tips Assistive technologiesUser Guide Using passwords Passwords and sleep modeTyping passwords SecurityPower-on password Hard disk passwordsSetting a power-on password 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 securitySetting the security chip Setting the security chipClick System and Security BitLocker Drive Encryption Using firewalls Protecting data against virusesSecurity User Guide Recovery overview Refreshing your computerUser Guide Disabling the built-in battery Select Disable 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 Advanced configuration Installing a new operating systemInstalling 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 Disabled DefaultAuto Keyboard/MousePower Battery Optimized AlwaysMenu item Submenu item Selection Comments Display ThinkPad LCDMenu item Submenu item Selection Comments Beep and Alarm Date/Time menuSecurity menu Serial ATA SataMenu item Submenu item Selection Comments Password At unattended boot, a passwordDisabled, the Security Chip option Bios ROM String ReportingSmbios Reporting Smbios Uefi Bios Update OptionPort Access Menu item Submenu item Selection Comments VirtualizationAnti-Theft Menu item Submenu item Selection Comments Secure Boot Startup menuChanging the startup sequence Uefi Only and set CSM SupportMenu item Selection Comments Boot Network BootUEFI/Legacy Boot Uefi Only UEFI/Legacy Boot Priority Uefi FirstUpdating your system Uefi Bios Using system managementMenu item Selection Comments Boot Device List F12 Option Boot Order Lock DisabledSetting management features System managementNetwork Boot sequence Flash updateUser Guide Preventing problems General tips for preventing problemsGetting the latest drivers using System Update Making sure device drivers are currentGetting the latest drivers from the Web site Be careful about where and how you work Taking care of your computerBe gentle with your computer Carry your computer properlyCleaning the cover of your computer Take care in setting passwordsCleaning your computer keyboard Register your computer Be sure not to modify your computerCleaning your computer display User Guide Troubleshooting computer problems Diagnosing 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 LAN problem Wireless WAN problemBluetooth problems Click Hardware and Sound Sound PlaybackProblems with the keyboard and other pointing devices UltraNav pointing device problemsKeyboard 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 problemsPower button problem Boot problemsSleep problems Problems with drives and other storage devices Hard disk drive problemsSolid-state drive problem Optical drive problemsSoftware problem Problems with ports and connectors USB problemGetting 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 related information Wireless interoperabilityAppendix A. Regulatory information 109Location of the UltraConnect wireless antennas Usage environment and your healthLocating wireless regulatory notices Export classification noticeElectronic emission notices Federal Communications Commission Declaration of ConformityGerman Class B compliance statement Appendix A. Regulatory information User Guide Appendix B. Weee and recycling statements Important Weee informationJapan 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 Power plan Energy Saver settings when plugged into ac power Appendix C. Energy Star model informationClick Hardware and Sound Device Manager Network adapters 119Click OK Appendix D. Notices 121Trademarks China RoHS Turkish RoHS Ukraine RoHS123 India RoHS

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