User Guide | Lenovo X131E specs

5. Detach the connector 1 . Then remove the backup battery 2 .

To install the backup battery, do the following:

1. Install the backup battery 1 . Then attach the connector 2 .

2. Attach the cover 1 and pivot it downwards 2 . Then tighten the screws 3 .

82User Guide

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Lenovo X131E manual User Guide

Contents

User Guide Safety, Warranty, and Setup Guide Regulatory Notice Third Edition August Copyright Lenovo Contents Replacing devices Iii 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 damaged Handle your computer gently Important safety informationProtect your computer and data when moving it Carry your computer carefully Conditions that require immediate action Safety guidelinesService and upgrades Vii Power cords and power adapters Plugs and outlets Power supply statementExtension cords and related devices External devices General battery noticeRechargeable battery notice Lithium coin cell battery notice Heat and product ventilation Electrical current safety information Liquid crystal display LCD notice Using headphones or earphonesAdditional safety information Remove all cables from devices Xiv User Guide Front view Locating computer controls, connectors, and indicatorsProduct overview Integrated camera System status indicator illuminated ThinkPad logoPower button Built-in microphone Media card reader slot Always on USB connectorRight-side view Hdmi port Left-side view Bottom view USB 3.0 connectorsEthernet connector Combo audio jack Status indicators System status indicators Product overview Caps Lock indicator Wireless status indicatorPower status indicator FCC ID and IC Certification number label Locating important product informationMachine type and model label Processor FeaturesCertificate of Authenticity label Specifications Battery life Power source ac power adapterBattery pack Operating environment Lenovo programs Accessing Lenovo programs on the Windows 7 operating systemAccessing Lenovo programs from Control Panel Program Icon name Accessing Lenovo programs on the Windows 8 operating system Program Control Panel section Green text in Control Panel An introduction to Lenovo programs Lenovo Solution Center Lenovo SettingsLenovo Mobile Access Password Manager System Update SimpleTap User Guide Registering your computer Using your computerFrequently asked questions Is getting connected in different locations a challenge? Need to attach or replace a device? Special keys and buttons Volume and mute buttonsPower conservation Fn+F4 Function key combinations Switching the display output location Fn+F7 Wireless features Fn+F5Launching the camera and audio settings Fn+F6 Adjusting the brightness level of the computer display Windows key Using the UltraNav pointing deviceUsing the TrackPoint pointing device Customizing the TrackPoint pointing device Changing the cap Customizing the touch pad Using the touch padUsing the multi-touch touch pad Adding the UltraNav icon to the Windows notification area Power managementChecking the battery status Disabling the TrackPoint pointing device or the touch pad Maximizing the battery life Using the ac power adapterCharging the battery Connecting the ac power adapter Select Power off display Sleep Managing the battery powerPower-saving modes Hibernation Click the Global Power Settings tab Handling the batteryWireless off Enabling the wakeup function User Guide Wireless LAN Connecting to the networkWireless connections Tips for using the wireless LAN feature Tips for using the wireless WAN feature Establishing a wireless connectionWireless WAN Bluetooth Sending data to a Bluetooth-enabled device Using BluetoothChecking the wireless network connection status Select Send To Bluetooth Devices Access Connections status icon Access Connections wireless status icon Enabling or disabling the wireless features Changing display settingsConnecting a projector or an external monitor Presentations and multimedia Set Resolution Click Advanced Settings Using dual displaysSetting the monitor type Considerations for attaching an external monitor Select Extend these displays in Multiple Displays Using the Extend desktop functionConsiderations for using the Extend desktop function Enabling the Extend desktop function Configuring for sound recording Using audio featuresUsing the integrated camera Inserting a flash media card Using a flash media cardConfiguring camera settings Click Hardware and Sound Removing a flash media card Ergonomic information Accessibility and comfortYou and your computer Accessibility information Comfort Travel tips Travel accessoriesTraveling with your computer Assistive technologies User Guide Typing passwords Using passwordsPasswords and sleep mode Security Setting a power-on password Power-on passwordHard disk passwords Select Power-on Password Setting a hard disk password Select Hard Disk 1 Password Supervisor password Changing or removing a hard disk password Setting, changing, or removing a supervisor password Select Supervisor Password Hard disk security Setting the security chipSetting the security chip Security Using firewalls Protecting data against viruses Creating and using a recovery media Recovery overviewRecovery overview for the Windows 7 operating system Creating recovery media Performing backup and recovery operations Performing a backup operation Click 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 backup Creating 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 drivers Recovery overview for the Windows 8 operating system Refreshing your computer Recovery overview User Guide Static electricity prevention Replacing the batteryReplacing devices User Guide Replacing the SIM card User Guide Replacing the hard disk drive or solid-state drive User Guide Replacing devices Before you start, print these instructions Replacing devices User Guide Replacing devices User Guide Replacing devices Replacing a memory module Replacing devices Replacing the keyboard Replacing devices Installing the keyboard Replacing devices User Guide Replacing the backup battery User Guide Replacing devices User Guide Before you begin Advanced configurationInstalling a new operating system Installing the registry patches for Windows Installing the Windows 7 operating systemSelect UEFI/Legacy Boot Country or region Code Select Startup Boot Installing the Windows 8 operating systemInstalling the Windows 7 fix modules Installing the Windows 8 fix modules Click Change display settings Click Advanced Settings Click Properties ThinkPad Setup Main menu AC Only Config menuMenu item Submenu item Selection Comments Network Menu item Submenu item Selection Comments For Legacy Only boot EnabledDisabled First Display Menu item Submenu item Selection Comments AutoKeyboard/Mouse ThinkPad LCD Maximum Performance Menu item Submenu item Selection Comments PowerBattery Optimized Maximum Serial ATA Sata Hours Beep and AlarmDate/Time menu Select Compatibility , Menu item Submenu item Selection Comments Password Security menu Uefi Bios Update Option Password at unattendedPassword at restart Or Uefi Firmware Update Virtualization Port AccessMenu item Submenu item Selection Comments Memory Protection User Mode Permanently DisabledSecure Boot Standard Mode Startup menu Changing the startup sequence Network Boot Boot submenuMenu item Selection Comments Boot Other items on the Startup menu Boot Mode Quick Menu item Selection Comments UEFI/Legacy Boot BothUEFI/Legacy Boot Priority Diagnostics Yes Restart menu Updating your system Uefi BiosUsing system management System management Setting management featuresNetwork Boot sequence Wake on LAN User Guide 105 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 Click Download Drivers & Software Be gentle with your computer Be careful about where and how you workTaking care of your computer Carry your computer properly Cleaning your computer keyboard Cleaning the cover of your computerTake care in setting passwords Register your computer Cleaning your computer display User Guide Troubleshooting Troubleshooting computer problemsDiagnosing problems Computer stops responding If 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 Wireless WAN problem Problems with the keyboard and other pointing devicesWireless LAN problem Bluetooth problems Keyboard problems Problems with the display and multimedia devicesUltraNav pointing device problems Computer screen problems External monitor problems Set Resolution Click Advanced Settings Audio problems Double-clickSound, video and game controllers Battery and power problems Battery problems An ac power adapter problem Power problems Sleep and hibernation problems Power button problemBoot problems Solid-state drive problem Problems with drives and other storage devicesHard disk drive problems USB problem Software problemProblems with ports and connectors User Guide Before 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 Usage environment and your health Location of the UltraConnect wireless antennas Type 1 Antenna location Electronic emission notices Locating wireless regulatory noticesExport classification notice Federal Communications Commission Declaration of Conformity Industry Canada Class B emission compliance statement German Class B compliance statement When attaching an external monitor User Guide Important Weee Information Battery recycling information for JapanAppendix B. Weee and recycling statements 139 Battery recycling information for Brazil Disposing of disused lithium batteries from Lenovo computers Appendix B. Weee and recycling statements User Guide Click Hardware and Sound Device Manager Power plan Energy Saver settings when plugged into ac powerAppendix C. Energy Star model information 143 Click OK 145 China RoHS Turkish RoHSUkraine RoHS India RoHS Appendix E. Notices 147 Trademarks Page Part Number 1P P/N