A275 User Guide Note: Before using this information and the product it supports, ensure that you read and understand the following: • Safety and Warranty Guide • Setup Guide • “Important safety information” on page v Lenovo® makes constant improvement on the documentation of your computer, including this User Guide. To get all the latest documents, go to: https://support.lenovo.com Second Edition (February 2018) © Copyright Lenovo 2017, 2018. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS- 35F-05925. Contents Important safety information . v Using the ThinkPad pointing device . 20 Read this first. v ThinkPad pointing device overview . 20 Important information about using your computer . v Using the TrackPoint pointing device. 21 Conditions that require immediate action . vii Using the trackpad. 22 Service and upgrades . viii Using the trackpad touch gestures . 23 Power cords and power adapters . ix Customizing the ThinkPad pointing device . 24 Extension cords and related devices. ix Replacing the cap on the pointing stick . 24 Plugs and outlets . x Power management . 25 Power supply statement . x Using the ac power adapter . 25 External devices . xi Using the battery . 25 General battery notice . xi Managing the battery power . 27 Notice for removable rechargeable battery . xi Power-saving modes . 27 Notice for built-in rechargeable battery. xii Cabled Ethernet connections . 28 Notice for non-rechargeable coin-cell battery . xii Wireless connections . 28 Heat and product ventilation . xiii Using the wireless-LAN connection . 28 Electrical current safety information . xiv Using the wireless-WAN connection . 29 Liquid crystal display (LCD) notice . xv Using the Bluetooth connection. 30 Using headphones or earphones . xv Using the Airplane mode . 30 Choking hazard notice . xv Using audio features . 30 Plastic bag notice . xv Using the camera . 31 Glass parts notice . xvi Using a media card or a smart card . 32 Using an external display . 33 Chapter 1. Product overview . 1 Traveling with your computer . 35 Computer controls, connectors, and indicators . 1 Finding ThinkPad options . 35 Front view . 1 Left-side view . 2 Chapter 3. Accessibility, ergonomic, Right-side view . 3 and maintenance information . 37 Bottom view . 5 Accessibility information . 37 Status indicators . 5 Ergonomic information . 39 Important product information . 7 Cleaning and maintenance . 40 Machine type and model label . 7 FCC ID and IC Certification number . 7 Chapter 4. Security . 43 Labels for the Windows operating systems . 9 Using passwords . 43 Computer features. 9 Passwords introduction . 43 Computer specifications . 11 Setting, changing, or removing a password . 44 Operating environment . 11 Hard disk security . 45 Lenovo programs . 12 Setting the security chip . 45 Accessing Lenovo programs . 12 Using the fingerprint reader . 46 An introduction to Lenovo programs . 12 Deleting data from your storage drive . 48 Using firewalls . 49 Chapter 2. Using your computer . 15 Protecting data against viruses . 49 Registering your computer . 15 Frequently asked questions . 15 Chapter 5. Advanced Getting help about the Windows operating configuration. 51 system . 16 Installing a new operating system . 51 Using the multi-touch screen . 16 Installing the Windows 7 operating system . 51 Using the special keys . 18 Installing the Windows 10 operating system . 52 © Copyright Lenovo 2017, 2018 i Installing device drivers . 53 Creating and using a recovery USB drive . 89 Using the ThinkPad Setup program . 54 Configuring ThinkPad Setup . 54 Chapter 8. Replacing devices . 91 Changing the startup sequence . 55 Customer Replaceable Units. 91 Updating the UEFI BIOS. 55 Static electricity prevention . 91 BIOS menu . 56 Disabling the built-in battery . 92 Using system management . 66 Replacing the removable battery . 92 Replacing the micro SIM card . 94 Chapter 6. Troubleshooting Replacing the base cover assembly . 95 computer problems . 69 Replacing the wireless-WAN card. 97 General tips for preventing problems . 69 Replacing a memory module. 98 Diagnosing problems . 69 Replacing the internal storage drive . 100 Troubleshooting . 70 Replacing the dc-in cable . 107 Computer stops responding . 70 Spills on the keyboard . 71 Chapter 9. Getting support . 111 Error messages . 71 Before you contact Lenovo . 111 Beep errors. 73 Getting help and service . 111 Memory module problems . 74 Lenovo Support Web site . 112 Ethernet problems . 74 Calling Lenovo . 112 Wireless-LAN problem . 75 Purchasing additional services . 113 Wireless-WAN problem . 75 Appendix A. Regulatory Bluetooth problem . 76 information. 115 ThinkPad pointing device problems . 76 Certification-related information . 115 Keyboard problems . 76 Wireless-related information . 115 Computer screen problems . 77 Wireless interoperability . 115 External monitor problems . 79 Usage environment and your health . 116 Audio problems . 80 Locating the UltraConnect wireless Fingerprint reader problems . 82 antennas. 116 Battery problems . 82 Wireless-radio compliance information . 117 ac power adapter problem . 82 Locating wireless regulatory notices . 117 Power problems . 83 TCO certification . 117 Power button problem . 83 Export classification notice . 118 Boot problems . 83 Electronic emission notices . 118 Sleep and hibernation problems . 84 Federal Communications Commission Hard disk drive problems . 84 Declaration of Conformity . 118 Solid-state drive problem . 85 Industry Canada Class B emission Software problem . 85 compliance statement . 118 USB problem . 85 European Union conformity . 118 German Class B compliance statement. 119 Chapter 7. Recovery information . 87 Japan VCCI Class B compliance Recovery information for the Windows 7 operating statement . 120 system . 87 Japan compliance statement for products Creating and using recovery media . 87 which connect to the power mains with rated current less than or equal to 20 A per Reinstalling preinstalled programs and device phase . 120 drivers . 88 Japan notice for ac power cord . 120 Recovery information for the Windows 10 operating system . 89 Lenovo product service information for Taiwan . 120 Resetting your computer . 89 Eurasian compliance mark . 120 Using advanced startup options . 89 Brazil audio notice . 120 Recovering your operating system if Windows 10 fails to start . 89 ii A275 User Guide Appendix B. WEEE and recycling Recycling information for China . 124 statements of countries and regions . 121 Appendix C. Restriction of General recycling information . 121 Hazardous Substances (RoHS) Directive Important WEEE information . 121 of countries and regions . 125 Japan recycling statements . 122 Appendix D. ENERGY STAR model Recycling information for Brazil. 123 information. 129 Battery recycling information for the European Union . 123 Appendix E. Notices . 131 Battery recycling information for Taiwan . 124 Battery recycling information for the United States Appendix F. Trademarks . 133 and Canada . 124 © Copyright Lenovo 2017, 2018 iii iv A275 User Guide Important safety information Note: Read the important safety information first. Read this first This information can help you safely use your notebook computer. Follow and retain all information included with your computer. The information in this document does not alter the terms of your purchase agreement or the Limited Warranty. For more information, see "Warranty Information" in the Safety and Warranty Guide that comes with your computer. Customer safety is important. Our products are developed to be safe and effective. However, personal computers are electronic devices. Power cords, power adapters, and other features can create potential safety risks that can result in physical injury or property damage, especially if misused. To reduce these risks, follow the instructions included with your product, observe all warnings on the product and in the operating instructions, and review the information included in this document carefully. By carefully following the information contained in this document and provided with your product, you can help protect yourself from hazards and create a safer computer work environment. Note: This information includes references to power adapters and batteries. In addition to notebook computers, some products (such as speakers and monitors) ship with external power adapters. If you have such a product, this information applies to your product. In addition, computer products contain a coin-sized internal battery that provides power to the system clock even when the computer is unplugged, so the battery safety information applies to all computer products. Important information about using your computer Ensure that you follow the important tips given here to get the most use and enjoyment out of your computer. Failure to do so might lead to discomfort or injury, or cause the computer to fail. Protect yourself from the heat that your computer generates. When your computer is turned on or the battery is charging, the base, the palm rest, and some other parts may become hot. The temperature they reach depends on the amount of system activity and the level of charge in the battery. Extended contact with your body, even through clothing, could cause discomfort or even a skin burn. • Avoid keeping your hands, your lap, or any other part of your body in contact with a hot section of the computer for any