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Lenovo ThinkPad A275 User Manual

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A275 User Guide

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Summary of Contents for Lenovo ThinkPad A275

  • Page 1 A275 User Guide...
  • Page 2 • 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 Depending on the version of operating systems, some user interface instructions might not be applicable to your computer.
  • Page 3 Setting the security chip ... Lenovo programs ....Using the fingerprint reader ..
  • Page 4 Memory module problems ..Calling Lenovo ... . . 112 Ethernet problems ... .
  • Page 5 Union ....123 Battery recycling information for Taiwan ..124 Appendix E. Trademarks ..131 © Copyright Lenovo 2017, 2018...
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  • Page 7 • Avoid keeping your hands, your lap, or any other part of your body in contact with a hot section of the computer for any extended time. • Periodically take hands from using the keyboard by lifting your hands from the palm rest. © Copyright Lenovo 2017, 2018...
  • Page 8 Protect yourself from the heat generated by the ac power adapter. When the ac power adapter is connected to an electrical outlet and your computer, it generates heat. Extended contact with your body, even through clothing, may cause a skin burn.
  • Page 9 In the unlikely event that you notice any of the following conditions, or if you have any safety concerns with your product, stop using the product and unplug it from the power source and telecommunication lines until you can speak to the Customer Support Center for further guidance. © Copyright Lenovo 2017, 2018...
  • Page 10 Replacement parts approved for customer installation are referred to as Customer Replaceable Units, or CRUs. Lenovo provides documentation with instructions when it is appropriate for customers to install options or replace CRUs. You must closely follow all instructions when installing or replacing parts.
  • Page 11 Never overload these devices. If power strips are used, the load should not exceed the power strip input rating. Consult an electrician for more information if you have questions about power loads, power requirements, and input ratings. © Copyright Lenovo 2017, 2018...
  • Page 12 Plugs and outlets DANGER If a receptacle (power outlet) that you intend to use with your computer equipment appears to be damaged or corroded, do not use the outlet until it is replaced by a qualified electrician. Do not bend or modify the plug. If the plug is damaged, contact the manufacturer to obtain a replacement.
  • Page 13 Batteries supplied by Lenovo for use with your product have been tested for compatibility and should only be replaced with approved parts. A battery other than the one specified by Lenovo, or a disassembled or modified battery is not covered by the warranty.
  • Page 14 Lenovo-authorized repair facility or technician. Only recharge the battery strictly according to instructions included in the product documentation. The Lenovo-authorized repair facilities or technicians recycle Lenovo batteries according to local laws and regulations. Notice for non-rechargeable coin-cell battery DANGER Do not attempt to replace the non-rechargeable coin-cell battery.
  • Page 15 • Do not restrict or block any ventilation openings. • Do not operate your computer inside furniture, as this might increase the risk of overheating. • Airflow temperatures into the computer should not exceed 35°C (95°F). xiii © Copyright Lenovo 2017, 2018...
  • Page 16 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.
  • Page 17 2 can be dangerous due to excessive sound pressure levels. If your Lenovo computer came with headphones or earphones in the package, as a set, the combination of the headphones or earphones and the computer already complies with the specifications of EN 50332-1. If different headphones or earphones are used, ensure that they comply with EN 50332-1 (Clause 6.5...
  • Page 18 Glass parts notice CAUTION: Some parts of your product may be made of glass. This glass could break if the product is dropped on a hard surface or receives a substantial impact. If glass breaks, do not touch or attempt to remove it. Stop using your product until the glass is replaced by trained service personnel.
  • Page 19 To turn off the computer, do the following: ® • For Windows 7: Open the Start menu and click Shut down. • For Windows 10: Open the Start menu, click Power, and then click Shut down. © Copyright Lenovo 2017, 2018...
  • Page 20 ® ThinkPad pointing device TrackPoint pointing stick TrackPoint buttons Trackpad Your computer is equipped with the Lenovo-unique ThinkPad pointing device. For more information, see “Using the ThinkPad pointing device” on page 20. Left-side view Power connector Fan louvers HDMI™ connector USB-C connector USB 3.0 connector...
  • Page 21 • For Windows 10: Start the Lenovo Vantage program, click Hardware Settings ➙ Power. Locate the Always On USB section and follow the instructions on the screen to make your preferred setting.
  • Page 22 Note: The Always On USB 3.0 connector does not work if you click Charge from Sleep and your computer is off without connecting to ac power. For instructions on how to start the programs, see “Accessing Lenovo programs” on page 12. Media-card slot You can insert a flash media card into the media-card slot for data access or storage.
  • Page 23 Bottom view Emergency-reset hole Removable battery Emergency-reset hole If the computer stops responding and you cannot turn it off by pressing the power button, remove the ac power adapter first. Then insert a straightened paper clip into the emergency-reset hole to reset the computer.
  • Page 24 Fn Lock indicator This indicator shows the status of Fn Lock function. For more information, see “Using the special keys” on page 18. Speaker-mute indicator When this indicator is on, the speakers are muted. Microphone-mute indicator When this indicator is on, the microphones are muted. Camera status indicator When this indicator is on, the camera is in use.
  • Page 25 • Windows operating systems information Machine type and model label When you contact Lenovo for help, the machine type and model information helps the technicians to identify your computer and provide faster service. The following illustration shows where to find the label that contains the machine type and model information of your computer.
  • Page 26 Lenovo. Note: Do not remove or replace a preinstalled wireless module by yourself. For replacement, you must contact Lenovo service first. Lenovo is not responsible for any damage caused by unauthorized replacement. • For a user-installable wireless WAN module, this label directs you to consult this user guide for the actual FCC ID and IC certification number.
  • Page 27 Certificate of Authenticity is the Windows 7 version for which the computer is licensed and the Product ID. The Product ID is important when you reinstall the Windows 7 operating system from a source other than a Lenovo product recovery disc set. ®...
  • Page 28 Storage device • 2.5-inch form factor, 7-mm (0.28-inch) height hard disk drive (available on some models) • 2.5-inch form factor solid-state drive (available on some models) • M.2 SATA solid-state drive (available on some models) • M.2 PCIe-NVMe solid-state drive (available on some models) Display •...
  • Page 29 Computer specifications Size • Width: 305.5 mm (12 inches) • Depth: 208.5 mm (8.2 inches) • Thickness: 20.3 mm (0.8 inches) Maximum heat output (depending on the model) • 45 W (154 Btu/hr) • 65 W (222 Btu/hr) Power source (ac power adapter) •...
  • Page 30 3. If you still do not find the program in the program list, search for the program in the search box. Note: If you are using the Windows 7 operating system, some Lenovo programs are ready to be installed. You cannot find these programs through the above methods unless you have installed them first. To install these Lenovo programs, start the Lenovo PC Experience program, click Lenovo Tools, and then follow the instructions on the screen.
  • Page 31 • Configure hardware settings. • Create and manage your Lenovo ID. This app is filled with exclusive Lenovo content to help you learn more about what you can do with your Lenovo computer. This program helps you work easily and securely by providing easy access to Lenovo PC Experience various programs.
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  • Page 33 This chapter provides information to help you use the various features provided by your computer. Registering your computer When you register your computer, information is entered into a database, which enables Lenovo to contact you if there is a recall or other severe problem. In addition, some locations offer extended privileges and services to registered users.
  • Page 34 How do I securely dispose of data stored on the internal storage drive? • Study Chapter 4 “Security” on page 43 to find out how you can protect your computer from theft and unauthorized use. • Before you dispose of the data on the internal storage drive, ensure that you read “Deleting data from your storage drive”...
  • Page 35 Touch gesture (touch models Description only) Touch: Tap. Mouse action: Click. Function: Open an app or perform an action on an open app, such as Copy, Save, and Delete, depending on the app. Touch: Tap and hold. Mouse action: Right-click. Function: Open a menu with multiple options.
  • Page 36 Touch gesture (touch models Description only) Touch: Swipe in from the right edge. Mouse action: Click the action center icon in the Windows notification area. Function: Open the action center to see your notifications and quick actions. Note: The gesture is supported only on the Windows 10 operating system. Touch: Swipe in from the left edge.
  • Page 37 1. Go to Control Panel, and then change the view of Control Panel from Category to Large icons or Small icons. 2. Click Lenovo - Keyboard Manager and the Keyboard Manager window is displayed. 3. Select the options of your preference.
  • Page 38 1. Open Control Panel, and then change the view of Control Panel from Category to Large icons or Small icons. 2. Click Lenovo - Keyboard Manager. In the Keyboard Manager window, click the USER-DEFINED KEY tab. 3. Follow the instructions on the screen to complete the setting.
  • Page 39 Trackpad Note: Depending on the model, your TrackPoint pointing device and the trackpad might look different from the illustration in this topic. By default, both the TrackPoint pointing device and the trackpad are active with the touch gestures enabled. To change the settings, see “Customizing the ThinkPad pointing device” on page 24. Using the TrackPoint pointing device The TrackPoint pointing device enables you to perform all the functions of a traditional mouse, such as pointing, clicking, and scrolling.
  • Page 40 To use the TrackPoint pointing device, see the following instructions: Note: Place your hands in the typing position and use your index finger or middle finger to apply pressure to the pointing-stick nonslip cap. Use either thumb to press the left-click button or right-click button. •...
  • Page 41 To use the trackpad, see the following instructions: • Point Slide one finger across the surface of the trackpad to move the pointer accordingly. • Left-click Press the left-click zone to select or open an item. You also can tap anywhere on the surface of the trackpad with one finger to perform the left-click action. •...
  • Page 42 • Some gestures are only available when you are using certain apps. • Depending on the model, the trackpad on your computer might look different from the illustrations in this topic. Two-finger tap Tap anywhere on the trackpad Tap anywhere on the trackpad with with one finger to select or open two fingers to display a shortcut an item.
  • Page 43 • Ensure that you use a cap with grooves as shown in the following illustration. • Depending on the model, your keyboard might look different from the illustration in this topic. Power management This section provides information about how to use ac power and battery power to achieve the best balance between performance and power management.
  • Page 44 To enable the battery alarm, do the following: 1. Start the Power Manager program. See “Accessing Lenovo programs” on page 12. 2. Click the Global Power Settings tab. 3. For Low battery alarm or Critically low battery alarm, set the percentage of the power level and set the action.
  • Page 45 1. Open Lenovo Vantage. See “Accessing Lenovo programs” on page 12. 2. Click Hardware Settings ➙ Power. 3. Locate the Power Status section and then click Show Details to view the battery temperature. • Charge the battery in any of the following conditions: –...
  • Page 46 – For Windows 7: Open the Start menu and click the arrow next to the Shut down button. Click Hibernate from the menu displayed. – For Windows 10: Define what the power button does first, and then press the power button to put the computer to hibernation mode.
  • Page 47 1. Turn on the wireless feature. See “Using the special keys” on page 18. 2. Click the wireless-network-connection-status icon in the Windows notification area. A list of available wireless networks is displayed. 3. Double-click a network to connect to it. Provide required information if needed. The computer automatically connects to an available and remembered wireless network when the location changes.
  • Page 48 For the Windows 7 operating system, you also can check the wireless-WAN connection status through the Access Connections gauge in the Windows notification area. The more bars encompassed, the better the signal is. Using the Bluetooth connection Bluetooth can connect devices that are within a short distance from one another. Bluetooth is commonly used in the following scenarios: •...
  • Page 49 To start the camera, do the following: • For Windows 7: Start the Communications Utility program. See “Accessing Lenovo programs” on page • For Windows 10: Open the Start menu and click Camera. When the camera is started, the indicator is turned on in green, indicating that the camera is in use.
  • Page 50 – Open the Start menu and then click Lenovo Vantage ➙ Hardware Settings ➙ Audio/Visual. Locate the Camera section and then follow the instructions on the screen to configure the camera settings.
  • Page 51 1. Locate the appropriate type of slot for your card. See “Computer controls, connectors, and indicators” on page 1. 2. Ensure that the card is correctly oriented: • For the media card: The metal contacts are facing down and pointing toward the card slot. •...
  • Page 52 For more information about the external display, see the manuals that come with it. Connecting an external display You can use either a wired display or a wireless display. The wired display can be connected to a video connector such as the HDMI connector and USB-C connector by a cable. The wireless display can be added ®...
  • Page 53 If you are traveling to another country or region, you might want to consider an appropriate ac power adapter for the country or region to which you are traveling. To purchase travel accessories, go to: https://www.lenovo.com/accessories Chapter 2 Using your computer...
  • Page 54 Finding ThinkPad options If you want to expand the capabilities of your computer, Lenovo has a number of hardware accessories and upgrades to meet your needs. Options include memory modules, storage devices, network cards, port replicators or docking stations, batteries, power adapters, keyboards, mice, and more.
  • Page 55 This chapter provides information about accessibility, ergonomic, and cleaning and maintenance. Accessibility information Lenovo is committed to providing users who have hearing, vision, and mobility limitations with greater access to information and technology. This section provides information about the ways these users can get the most out of their computer experience.
  • Page 56 If you prefer to type or enter data into your computer using a mouse, joystick, or other pointing device instead of a physical keyboard, you can use On-Screen Keyboard. On-Screen Keyboard displays a visual keyboard with all the standard keys. You can select keys using the mouse or another pointing device, or you can tap to select the keys if your computer supports multi-touch screen.
  • Page 57 Your computer provides industry-standard connectors that enable you to connect assistive devices. Documentation in accessible formats Lenovo provides electronic documentation in accessible formats, such as properly tagged PDF files or HyperText Markup Language (HTML) files. Lenovo electronic documentation is developed to ensure that visually impaired users can read the documentation through a screen reader.
  • Page 58 Many ThinkPad product solutions are available to help you modify and expand your computer to best suit your needs. You can find some of these options at https:// www.lenovo.com/accessories . Explore your options for docking solutions and external products that provide the adjustability and features that you want.
  • Page 59 Basic maintenance tips Here are some basic points about keeping your computer functioning properly: • Store packing materials safely out of the reach of children to prevent the risk of suffocation from plastic bags. • Keep your computer away from magnets, activated cellular phones, electrical appliances, or speakers (more than 13 cm or 5 inches).
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  • Page 61 The following two types of hard disk passwords can help protect the information stored on the storage drive: • User hard disk password © Copyright Lenovo 2017, 2018...
  • Page 62 Lenovo cannot reset your passwords or recover data from the storage drive. You must take your computer to a Lenovo reseller or a marketing representative to have the storage drive replaced. Proof of purchase is required, and a fee will be charged for parts and service.
  • Page 63 Hard disk security To protect the computer from unauthorized security attacks, refer to the following tips to enhance security: • Set a power-on password as well as a hard disk password. For security, a longer password is recommended. • The hard disk drive built into your computer can be protected by UEFI BIOS. To provide reliable security, use the security chip and a security program with the Trusted Platform Module (TPM) management feature.
  • Page 64 • For Windows 7 1. Start the fingerprint program. For instructions on how to start the fingerprint program, see “Accessing Lenovo programs” on page 12. 2. Enter the Windows password as required. 3. Follow the instructions on the screen to finish the enrollment.
  • Page 65 Lenovo-authorized servicer or a marketing representative to have the password canceled. If you forget your hard disk password, Lenovo cannot reset your password or recover data from the storage drive. You must take your computer to a Lenovo-authorized servicer or a marketing representative to have the storage drive replaced.
  • Page 66 • Move the data to the Recycle Bin, and then empty the Recycle Bin. • Format your storage drive, using the software to initialize it. • Use the recovery program provided by Lenovo to bring the storage drive back to the factory default settings.
  • Page 67 Protecting data against viruses Lenovo provides a full version of antivirus software on your computer with a free 30-day subscription. After 30 days, you must renew the license to continue receiving the antivirus software updates. For more information about your antivirus software, see the help system of your antivirus software.
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  • Page 69 • TPM 2.0 is supported only on the Windows 7 (64-bit) operation system in UEFI mode. If you install the Windows 7 (64-bit) operating system in Legacy mode, ensure that you set the security chip to TPM 1.2. © Copyright Lenovo 2017, 2018...
  • Page 70 11. Install the Windows 7 fix modules. You can find the Windows 7 fix modules at C:\SWTOOLS\OSFIXES\. For more information, go to the Microsoft Knowledge Base home page at https://support.microsoft.com/ 12. Install the registry patches. To download and install the registry patches, go to the Lenovo Support Web site at https://support.lenovo.com Note: After installing the operating system, do not change the initial UEFI/Legacy Boot setting in the ThinkPad Setup program.
  • Page 71 This action might eliminate the driver as the potential cause of a problem. Getting the latest drivers from the Web site You can download and install updated device drivers from the Lenovo Support Web site by doing the following: 1. Go to https://support.lenovo.com...
  • Page 72 • Critical updates (Windows 7 and Windows 10) • Critical and recommended updates (Windows 7) For more information about how to use System Update or Lenovo Vantage, see the help system of the program. Using the ThinkPad Setup program The ThinkPad Setup program enables you to select the preferred settings for your computer through configuring the BIOS.
  • Page 73 Note: If you are required to enter the supervisor password, enter the correct password. You also can press Enter to skip the password prompt and start the ThinkPad Setup program. If you do not enter the password, you cannot change the configurations that are protected by the supervisor password. 2.
  • Page 74 • The computer must be engaged in the Preboot eXecution Environment (PXE). • A network-management program must be installed on the computer of the network administrator. For instructions on how to update the UEFI BIOS, go to https://support.lenovo.com BIOS menu This topic introduces the following BIOS menus of your computer: •...
  • Page 75 • MAC address Pass Through Values: Disabled, Enabled Description: The MAC address for the LENOVO USB Dock will be changed to the Internal MAC address. If you select Disabled, the MAC address for the LENOVO USB Dock will remain the original MAC address. If you select Enabled, the MAC address for the LENOVO USB Dock will be changed to the Internal MAC address.
  • Page 76 Description: Enable or disable the boot support for USB storage devices. • Always On USB Values: Disabled, Enabled Description: Select Enabled to charge devices through the Always On USB connectors even when the computer is turned off, in sleep mode, or in hibernation mode. Note: USB-wake-up function is not supported on Always On USB connectors.
  • Page 77 Description: During the boot process, the computer might not detect the external monitors that need more time to get ready. Select how long you want to extend the boot process. Power • AMD PowerNow!™ technology Values: Disabled, Enabled Description: Select the mode of AMD PowerNow! technology at runtime. –...
  • Page 78 Description: Enable or disable a beep when unmanageable key combinations are pressed. DASH configuration • Dash Support Values: Enabled, Disabled Description: Enable or disable DASH Support. Date/Time menu Note: The BIOS menu items might change without notice. Depending on the model, the default value might vary.
  • Page 79 Descriptions: Enable this option to display the POST 0199 error message when you enter a wrong supervisor password more than three times. • Set Minimum Length Values: Disabled, x characters (4 ≤ x ≤ 12) Descriptions: Specify a minimum length for power-on passwords and hard disk passwords. If a supervisor password is set, you cannot change the minimum length until you log in as a supervisor.
  • Page 80 Values (Windows 10): TPM 2.0, TPM 1.2 Values (Windows 7): TPM 2.0, TPM 1.2 Descriptions: Set the TPM operational mode. Note: This item is displayed only on the TPM 1.2 support model. • Security Chip (for TPM 2.0) Values: Enabled, Disabled Descriptions: Enable or disable the security chip.
  • Page 81 Memory Protection • Execution Prevention Values: Disabled, Enabled Descriptions: Some computer viruses and worms cause memory buffers to overflow. By enabling this option, you can protect your computer against attacks from such viruses and worms. If the option is enabled but you find that a program does not run properly, disable this option first and then reset the settings.
  • Page 82 Secure Boot • Secure Boot Values: Disabled, Enabled Descriptions: Enable this option to prevent unauthorized operating systems from loading when you turn on the computer. • Platform Mode Values: Setup Mode, User Mode Descriptions: Specify the system operating mode. • Secure Boot Mode Values: Standard Mode, Custom Mode Descriptions: Specify the Secure Boot mode.
  • Page 83 Values: Both, UEFI Only, Legacy Only Descriptions: Define the system boot capability. – UEFI/Legacy Boot Priority Values: Legacy First, UEFI First Description: Select the boot priority between UEFI and Legacy. – CSM Support (for UEFI only) Values: Yes, No Description: Compatibility Support Module (CSM) is required for starting the legacy operating system. If you select UEFI only, CSM Support is selectable.
  • Page 84 Using system management This topic is primarily intended for the network administrators. Your computer is designed for manageability, so that you can redirect more resources to better meet your business objectives. This manageability, known as total cost of ownership (TCO), enables you to remotely operate client computers in the same way as you operate your own computer, such as turning on a client computer, formatting a storage drive, and installing a program.
  • Page 85 Enabling or disabling the Wake on LAN feature When the Wake on LAN feature is enabled and the computer is connected to a LAN, the network administrator can start the computer remotely from a management console, using a remote network- management program.
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  • Page 87 UEFI BIOS when needed. • Keep up to date for device drivers on other non-Lenovo hardware. Before updating device drivers, read the device driver information release notes for compatibility or known issues.
  • Page 88 • If you are unable to isolate and repair the problem yourself after running Lenovo Solution Center, save and print the log files created by the program. You need the log files when you speak to a Lenovo technical support representative.
  • Page 89 1. Remove all sources of power from the computer (ac power adapter and the removable battery) and reset the system by inserting a straightened paper clip into the emergency-reset hole. 2. Reattach the ac power adapter and restart the computer. If the computer does not turn back on, continue with step 3.
  • Page 90 Firmware Interface Specification. If the user selects “No”, all data will be kept, but the operating system or programs will not be able to create, modify, or delete data in the storage. If this error happens at a service center, Lenovo authorized service personnel will clean up the non-volatile system UEFI variable storage using the preceding solution.
  • Page 91 Beep errors Lenovo SmartBeep technology enables you to decode beep errors with your smartphone when a black screen occurs with beeps from your computer. To decode the beep error with Lenovo SmartBeep technology, do the following: 1. Go to https://support.lenovo.com/smartbeep or scan the following QR Code.
  • Page 92 Error codes Solutions 0287: Discrete graphics error 1. Reinstall or replace the discrete graphics card (service provider only). 2. Replace the system board (service provider only). 0288: Computer display error 1. Reconnect the display cable on both the system board side and the computer display side (service provider only).
  • Page 93 If you configured the adapter for full duplex, ensure that the switch port also is configured for full duplex. Setting a wrong duplex mode can degrade performance, cause data loss, or result in lost connections. – You have installed all networking software that is necessary for your network environment. Check with your LAN administrator for the necessary networking software.
  • Page 94 Bluetooth problem Note: Check your connection anytime and ensure that no other Bluetooth-enabled device is searching for the device to which you want to connect. Simultaneous searching is not allowed in the Bluetooth connection. • Problem: Sound does not come from the Bluetooth headset/headphones but comes from the local speaker even though the Bluetooth headset/headphones is connected using a Headset profile or AV profile.
  • Page 95 Note: If the Fn and function keys tab is not displayed, connect your computer to the Internet. Then download and install the ThinkPad Hotkey Features program from the Lenovo Support Web site. For more information, see “Installing device drivers” on page 53.
  • Page 96 • Problem: When I turn on the computer, only a white cursor is displayed on a blank screen. Solution: If you have modified a partition on your hard disk drive by using partition software, information about that partition, or the master boot record might have been destroyed. Do the following to try to solve the problem: 1.
  • Page 97 6. Click Properties. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. 7. Click the Driver tab. 8. Click Update Driver. 9. Click Browse my computer for driver software, and then click Let me pick from a list of device drivers on my computer (for Windows 7) or click Let me pick from a list of available drivers on my computer (for Windows 10).
  • Page 98 2. Turn on the external monitor and the computer. 3. Right-click on the desktop, and do the following: – For Windows 7: Click Screen resolution. – For Windows 10: Click Display settings ➙ Advanced display settings. Note: If your computer cannot detect the external monitor, click Detect in the Display window. 4.
  • Page 99 • Problem: Recordings made by using the microphone input are not loud enough. Solution: Ensure that the Microphone Boost function is turned on and set by doing the following: 1. Go to Control Panel, and ensure that you view Control Panel by Category. 2.
  • Page 100 7. Click the Playback tab. Select Headset Earphone and then click Set Default. The headset is set to the default device with a check mark displayed beside the headset icon. 8. Play any sound through a music program. Ensure that sound comes from the headset attached directly to the computer.
  • Page 101 • Problem: I receive an error message while the operating system is loading the desktop configuration after the POST is completed. Solution: Find solutions by searching for the error message at the following Web sites: – https://support.lenovo.com Chapter 6 Troubleshooting computer problems...
  • Page 102 – https://support.microsoft.com/ Sleep and hibernation problems • Problem: The computer enters sleep mode unexpectedly. Solution: If the microprocessor overheats, the computer automatically enters sleep mode to allow the computer to cool and to protect the microprocessor and other internal components. Check the settings for sleep mode.
  • Page 103 Solution: The rattling noise might be heard: – When the hard disk drive begins or finishes getting access to data – When you carry the hard disk drive – When you carry your computer This is a normal characteristic of a hard disk drive and is not a defect. •...
  • Page 104 Refer to “Diagnosing problems” on page 69 and run a diagnostic test of the USB connector. A275 User Guide...
  • Page 105 If you did not create recovery media as a precautionary measure, you can contact Lenovo Customer Support Center and purchase a set of recovery media from Lenovo. For a list of the Lenovo Support phone numbers for your country or region, go to: https://pcsupport.lenovo.com/supportphonelist...
  • Page 106 • If the device subfolder contains an INF file, right-click the INF file and select Install. Then follow the instructions on the screen to complete the installation. If you need updated device drivers for your computer, download and install them from the Lenovo Support Web site at:...
  • Page 107 Recovery information for the Windows 10 operating system This topic provides information about the Windows recovery solutions on the Windows 10 operating system. Resetting your computer If your computer does not perform well, you might consider resetting your computer. In the resetting process, you can choose to keep your files or remove them, and then reinstall the Windows operating system.
  • Page 108 It is recommended that you create a recovery USB drive as early as possible. If you did not create a recovery USB drive as a precautionary measure, you can contact Lenovo Customer Support Center and purchase one from Lenovo. For a list of the Lenovo Support phone numbers for your country or region, go to: https://pcsupport.lenovo.com/supportphonelist Creating a recovery USB drive To create a recovery USB drive, you need a USB drive with at least 16 GB of storage capacity.
  • Page 109 If you intend on installing the CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You might be required to return the defective part that is replaced by the CRU.
  • Page 110 Before you start, read “Important safety information” on page v and print the following instructions. This system supports only batteries specially designed for this specific system and manufactured by Lenovo or an authorized builder. The system does not support unauthorized batteries or batteries designed for other systems.
  • Page 111 Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no warranties for failures or damage arising out of their use. DANGER If the rechargeable battery is incorrectly replaced, there is danger of an explosion. The battery contains a small amount of harmful substances.
  • Page 112 6. Insert a new battery until it clicks into place. Ensure that the battery latches are in the locked positions. 7. Turn the computer over. Connect the ac power adapter and all cables to the computer. Replacing the micro SIM card Before you start, read “Important safety information”...
  • Page 113 c. Install a new micro SIM card into the micro-SIM-card tray. Note the orientation of the new card and ensure that it is seated correctly Attention: Do not insert a nano-SIM card with the nano-to-micro-SIM adapter into the micro-SIM- card slot. Otherwise, the slot might be damaged. d.
  • Page 114 6. Install the new base cover assembly. 7. Tighten the screws to secure the base cover assembly. A275 User Guide...
  • Page 115 8. Reinstall the removable battery. 9. Turn the computer over. Connect the ac power adapter and all cables to the computer. Replacing the wireless-WAN card The following information is only for the computer with user-installable modules. Before you start, read “Important safety information” on page v and print the following instructions. Attention: Before you start installing a wireless-WAN card, touch a metal table or a grounded metal object.
  • Page 116 7. Install a new wireless-WAN card by doing the following: a. Align the contact edge of the new wireless-WAN card with the key in the slot. Then carefully insert the card into the slot at an angle of about 20 degrees .
  • Page 117 Increasing memory capacity is an effective way to make programs run faster. You can increase memory capacity by replacing or adding a memory module. Note: The operating speed of the memory module has dependency on the system configuration. In some conditions, the memory module in your computer might not be able to operate at the maximum speed.
  • Page 118 8. Reinstall the base cover assembly and removable battery. 9. Turn the computer over. Connect the ac power adapter and all cables to the computer. Replacing the internal storage drive Before you start, read “Important safety information” on page v and print the following instructions. Attention: The internal storage drive (such as hard disk drive, solid-state drive, or M.2 solid-state drive) is sensitive.
  • Page 119 7. Disconnect the drive cable as shown. 8. Connect the drive cable to a new drive as shown. 9. Insert the new storage drive and pivot it downward . Ensure that the cable is routed under the speaker hook and install the screw to secure the storage drive Chapter 8 Replacing devices...
  • Page 120 10. Reinstall the base cover assembly and removable battery. 11. Turn the computer over. Connect the ac power adapter and all cables. M.2 solid-state drive installed in the storage drive bay To replace the M.2 solid-state drive installed in the storage drive bay, do the following: 1.
  • Page 121 8. Remove the screws that secure the M.2 solid-state drive bracket , and then remove the bracket 9. Remove the screw that secures the M.2 solid-state drive. 10. Gently pull the M.2 solid-state drive out of the slot. Chapter 8 Replacing devices...
  • Page 122 11. Align the notch on the new M.2 solid-state drive with the slot key and insert the drive into the slot until it is secured firmly . Then pivot it downward 12. Install the screw to secure the M.2 solid-state drive. 13.
  • Page 123 14. Connect the drive cable to a new drive as shown. 15. Insert the new storage drive and pivot it downward . Ensure that the cable is routed under the speaker hook and install the screw to secure the storage drive 16.
  • Page 124 M.2 solid-state drive installed in the wireless WAN card slot To replace the M.2 solid-state drive installed in the wireless WAN card slot, do the following: 1. Disable the built-in battery. See “Disabling the built-in battery” on page 92. 2. Ensure that the computer is turned off and disconnected from ac power and all cables. 3.
  • Page 125 8. Reinstall the base cover assembly and removable battery. 9. Turn the computer over. Connect the ac power adapter and all cables to the computer. Replacing the dc-in cable Before you start, read “Important safety information” on page v and print the following instructions. To replace the dc-in cable, do the following: 1.
  • Page 126 9. Install the dc-in cable with bracket into place as shown. 10. Route the dc-in cable as shown. 11. Install the screw and attach the connector firmly A275 User Guide...
  • Page 127 12. Reinstall the base cover assembly and removable battery. 13. Turn the computer over. Connect the ac power adapter and all cables to the computer. Chapter 8 Replacing devices...
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  • Page 129 • What is the serial number? Getting help and service If you need help, service, technical assistance, or more information about Lenovo products, you will find a wide variety of sources available from Lenovo to assist you. Information about your computer and preinstalled software, if any, is available in the documentation that comes with your computer or on the Lenovo Support Web site at https://support.lenovo.com...
  • Page 130 • Lenovo hardware repair - If the problem is determined to be caused by Lenovo hardware under warranty, trained service personnel are available to provide the applicable level of service.
  • Page 131 Telephone numbers For a list of the Lenovo Support phone numbers for your country or region, go to https:// pcsupport.lenovo.com/supportphonelist or refer to the Safety and Warranty Guide that comes with your computer. Note: Phone numbers are subject to change without notice. The latest phone numbers are available at https://pcsupport.lenovo.com/supportphonelist...
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  • Page 133 This computer contains integrated wireless cards that operate within the guidelines identified by radio frequency (RF) safety standards and recommendations; therefore, Lenovo believes that this product is safe for use by consumers. These standards and recommendations reflect the consensus of the worldwide scientific community, and result from deliberations of panels and committees of scientists, who continually review and interpret the extensive research literature.
  • Page 134 Locating wireless regulatory notices For more information about the wireless regulatory notices, refer to the Regulatory Notice shipped with your computer. If your computer is shipped without the Regulatory Notice, you can find it on the Web site at: https://support.lenovo.com A275 User Guide...
  • Page 135 • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult an authorized dealer or service representative for help. Lenovo is not responsible for any radio or television interference caused by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment. Unauthorized changes or modifications could void the user’s authority to operate the equipment.
  • Page 136 Klasse B. Dieses Gerät ist berechtigt, in Übereinstimmung mit dem Deutschen EMVG das EG-Konformitätszeichen - CE - zu führen. Verantwortlich für die Konformitätserklärung nach Paragraf 5 des EMVG ist die Lenovo (Deutschland) GmbH, Meitnerstr. 9, D-70563 Stuttgart. A275 User Guide...
  • Page 137 Japan notice for ac power cord The ac power cord shipped with your product can be used only for this specific product. Do not use the ac power cord for other devices. Lenovo product service information for Taiwan Taiwan precautionary vision statement 警語：使用過度恐傷害視力...
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  • Page 139 Lenovo encourages owners of information technology (IT) equipment to responsibly recycle their equipment when it is no longer needed. Lenovo offers a variety of programs and services to assist equipment owners in recycling their IT products. For information about recycling Lenovo products, go to: https://www.lenovo.com/recycling...
  • Page 140 Collecting and recycling a disused Lenovo computer or monitor If you are a company employee and need to dispose of a Lenovo computer or monitor that is the property of the company, you must do so in accordance with the Law for Promotion of Effective Utilization of Resources.
  • Page 141 If the battery needs to be replaced, contact your place of purchase or contact Lenovo for service. If you need to dispose of a lithium battery, insulate it with vinyl tape, contact your place of purchase or a waste-disposal operator, and follow their instructions.
  • Page 142 For proper collection and treatment, go to: https://www.lenovo.com/lenovo/environment Battery recycling information for Taiwan Battery recycling information for the United States and Canada Recycling information for China A275 User Guide...
  • Page 143 For more information about Lenovo worldwide compliance on RoHS, go to: https://www.lenovo.com/rohs-communication Turkish RoHS The Lenovo product meets the requirements of the Republic of Turkey Directive on the Restriction of the Use of Certain Hazardous Substances in Waste Electrical and Electronic Equipment (WEEE). Ukraine RoHS India RoHS RoHS compliant as per E-Waste (Management) Rules.
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  • Page 145 Taiwan RoHS Appendix C. Restriction of Hazardous Substances (RoHS) Directive of countries and regions...
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  • Page 147 Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.
  • Page 148 This document is copyrighted by Lenovo and is not covered by any open source license, including any Linux agreement(s) which may accompany software included with this product. Lenovo may update this document at any time without notice. To obtain the most up-to-date documentation for your computer, go to: https://support.lenovo.com...
  • Page 149 Appendix E. Trademarks ACCESS CONNECTIONS, ACTIVE PROTECTION SYSTEM, LENOVO, LENOVO logo, THINKPAD, THINKPAD logo, TRACKPOINT, and ULTRACONNECT are trademarks of Lenovo. Thunderbolt is a trademark of Intel Corporation or its subsidiaries in the U.S. and/or other countries. Microsoft, Windows, Direct3D, BitLocker, and Cortana are trademarks of the Microsoft group of companies. AMD, AMD-V, AMD Virtualization, and AMD PowerNow! are trademarks or registered trademarks of Advanced Micro Devices, Inc.
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