® Format (PDF) version from the Lenovo Support Web site at http://www.lenovo.com/UserManuals. The Lenovo Support Web site also provides the Safety, Warranty, and Setup Guide and this User Guide in additional languages. Service and upgrades Do not attempt to service a product yourself unless instructed to do so by the Customer Support Center or your documentation.
Static electricity prevention Static electricity, although harmless to you, can seriously damage computer components and options. Improper handling of static-sensitive parts can cause damage to the part. When you unpack an option or CRU, do not open the static-protective package containing the part until the instructions direct you to install it.
Inspect your desktop computer for dust accumulation at least once every three months. Before inspecting your computer, turn off the power and unplug the computer's power cord from the electrical outlet; then remove any dust from vents and perforations in the bezel. If you notice external dust accumulation, then examine and remove dust from the inside of the computer including heat sink inlet fins, power supply vents, and fans.
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Power indicator Storage drive activity indicator Internal speakers (2) • Brightness-down control Used to reduce the screen brightness. • Brightness-up control Used to enhance the screen brightness. • Integrated camera Used to take pictures or hold a video conference. • Integrated camera activity indicator When the integrated camera activity indicator is on, the camera is in use.
If you want to use the computer with the stand removed, do not turn on the computer before contacting the Lenovo Customer Support Center for the additional thermal solution. • If your computer does not come with a computer stand, do not tear off the Mylar on the rear of the computer.
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• Card reader slot Used to hold a card-shaped storage medium so that the card reader can read the data on the storage medium. • DisplayPort in/out connector Used to receive or send audio and video signals. When a high-performance monitor is attached to this connector, the computer automatically changes to the computer mode.
Computer components Note: Depending on your computer model, some of the following components might not be available. Figure 3. Computer components Tilt-only monitor stand base Transformer stand Tilt-only monitor stand Back cover Memory module Memory module shield Storage drive Storage drive bracket Power cord Chapter 1 Product overview...
Machine type and model label The machine type and model label identifies your computer. When you contact Lenovo for help, the machine type and model information helps support technicians to identify your computer and provide faster service. The machine type and model label is attached on the side of your computer as shown.
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Your computer is preinstalled with Windows 7 or Windows 10 operating system. Additional operating systems might be identified by Lenovo as compatible with your computer. To determine if an operating system has been certified or tested for compatibility, check the Web site of the operating system provider.
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Security features For more information, see Chapter 4 “Security” on page 29. System management features • Ability to store power-on self-test (POST) hardware test results • Desktop Management Interface (DMI) Desktop Management Interface provides a common path for users to access information about all aspects of a computer.
Accessing a program on your computer Note: For Windows 7, depending on your computer model, some of the Lenovo programs might be ready to be installed, so you need to install them manually. Then, you can access and use these programs.
An introduction to Lenovo programs This section provides information about the major Lenovo programs available on your operating system. Note: Depending on your computer model, some of the following programs might not be available.
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BIOS updates. The program gathers information from the Lenovo Help Center about new updates for your computer, then sorts and displays the updates for download and installation. You have complete control of which updates to download and install.
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The SHAREit or Lenovo SHAREit program provides a quick and easy way to share files and folders among computers, smartphones, tablets, or smart TVs with the Android or the Windows operating system installed. SHAREit or Lenovo SHAREit uses any type of network or even no network at all to share files and folders.
If you want to use the computer with the stand removed, do not turn on the computer before contacting the Lenovo Customer Support Center for the additional thermal solution. • If your computer does not come with a computer stand, do not tear off the Mylar on the rear of the computer.
You can manage cables (such as cables of the keyboard and mouse) by routing the cables through the cable loop on the stand as shown. Figure 6. Cable loop on the tilt-only monitor stand Adjusting the transformer stand You can use the transformer stand to adjust the computer by doing the following: 1.
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2. After you adjust your computer to the rear, you can adjust the transformer stand downward within a range of 59° as shown. Figure 8. Adjusting the transformer stand downward 3. You can adjust the angle of the computer between 45° to the left and 45° to the right as shown. Figure 9.
Lenovo for help. In addition, some locations offer extended privileges and services to registered users. To register your computer with Lenovo, ensure that your computer is connected to the Internet. Then, go to http://www.lenovo.com/register and follow the instructions on the screen.
3. If the icon is still not displayed in the Windows notification area, repeat step 1. Using a disc This section provides information about using a disc and the optical drive. Guidelines about using the optical drive When using the optical drive, follow these guidelines: •...
Note: If the tray does not slide out of the drive when you press the eject/close button, turn off your computer. Then, insert a straightened paper clip into the emergency-eject hole adjacent to the eject/close button. Use the emergency eject only in an emergency. Recording a disc If your optical drive supports recording, you can record a disc.
DANGER To avoid the risk of electrical shock, do not connect the telephone cable to the Ethernet connector. Connecting to a wireless LAN You can connect your computer to a wireless LAN without the use of an Ethernet cable but by means of radio waves only.
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• To make it easier to read or edit a document, use two fingers to zoom in, zoom out, scroll, or rotate on the touch screen. ThinkCentre M900z User Guide...
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. You also can get the most up-to-date accessibility information from the following Web site: http://www.lenovo.com/accessibility...
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Ease of Access Center Ease of Access Center on the Windows operating system enables users to configure their computers to suit their physical and cognitive needs. To use Ease of Access Center, do the following: 1. Click the Start button to open the Start menu. 2.
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3. Follow the instructions on the screen. Screen-reader technologies Screen-reader technologies are primarily focused on software program interfaces, help information systems, and various online documents. For additional information about screen readers, see the following: • Using PDFs with screen readers: http://www.adobe.com/accessibility.html?promoid=DJGVE •...
Then, you can type a message on your computer and send it to the telephone. 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.
The cause of a problem might be change in hardware, change in software, or any other actions that might have taken place. A log book can help you or a Lenovo technician determine the cause of a problem. • Back up your data on the storage drive regularly. You can restore the storage drive from a backup.
To get the latest system updates for your computer, ensure that your computer is connected to the Internet and do one of the following: • Use one of the following Lenovo programs to get the system updates, such as device driver updates, software updates, and BIOS updates: –...
The cable lock also locks the buttons used to open the computer cover. This is the same type of lock used with many notebook computers. You can order such a cable lock directly from Lenovo by searching for Kensington at: http://www.lenovo.com/support Figure 11.
• For Windows 7: Use the Fingerprint Manager Pro or ThinkVantage Fingerprint Software program provided by Lenovo. To open the program, see “Accessing a program on your computer” on page 9 . For more information about using the program, refer to the help system of the program.
For more information about how to use your antivirus software, refer to the help system of your antivirus software. Computrace Agent software embedded in firmware The Computrace Agent software is an IT asset management and computer theft recovery solution. The software detects if changes have been made on the computer, such as hardware, software, or the computer call-in location.
Enabling or disabling ErP LPS compliance mode Lenovo computers meet the eco-design requirements of the ErP Lot 3 regulation. For more information, go http://www.lenovo.com/ecodeclaration You can enable ErP LPS compliance mode in the Setup Utility program to reduce the consumption of electricity when your computer is off or in sleep mode.
Enabling or disabling the ICE Thermal Alert feature If you enable the ICE thermal alert feature, when critical thermal situations occur, such as malfunctioning fans, abnormally high temperature, or poor cooling performances, an alert log will be written into the Windows system log.
Using BIOS passwords By using the Setup Utility program, you can set passwords to prevent unauthorized access to your computer and data. You do not have to set any passwords to use your computer. However, using passwords improves computer security. If you decide to set any passwords, read the following topics. Setup Utility program password types The following types of passwords are available: •...
3. Depending on the password type, select Set Power-On Password, Set Administrator Password, or Hard Disk Password and press Enter. 4. Follow the instructions on the right side of the screen to set, change, or delete a password. Note: A password can be any combination of up to 64 alphabetic and numeric characters. For more information, see “Password considerations”...
To update the BIOS, do the following: 1. Go to http://www.lenovo.com/drivers. 2. Download the flash BIOS update driver for the operating system version or the ISO image version (used to create a flash update disc). Then, download the installation instructions for the flash BIOS update driver you download.
5. Recover your operating system. See “Recovery information” on page 48. 6. If none of these actions solve your problem, contact the Lenovo Customer Support Center. For a list of Lenovo Support phone numbers, go to http://www.lenovo.com/support/phone. For more information about help, service, and technical assistance, see Chapter 8 “Getting information, help, and service”...
• If your computer has a secondary power switch on the rear of the computer, ensure that it is switched on. • The power indicator on the front of the computer is on. • The computer voltage matches the voltage available at the electrical outlet for your country or region. The operating system fails to start up Solution: Ensure that the startup sequence includes the device where the operating system resides.
Note: If the volume icon is not displayed in the Windows notification area, add the icon to the notification area. See “Adding an icon to the Windows notification area” on page 16. CD problems This section provides solutions to CD-related problems. A CD or DVD does not work Solutions: •...
Playback is slow or choppy Solutions: • Disable any background programs, such as AntiVirus or Desktop Themes. • Ensure that video resolution is set to less than 1152 x 864 pixels. Invalid disc or no disc found message Solutions: • Ensure that a DVD disc is in the drive with the shiny side of the disc facing down. •...
• Ensure that the storage drive your computer starts up from is listed as the first startup device in the Setup Utility program. Refer to “Changing the startup device sequence permanently” on page 37. Note: In rare cases, the storage drive with the operating system might get corrupted or damaged. In such cases, you might need to replace the storage drive.
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Ethernet LAN problems My computer cannot be connected to an Ethernet LAN Solutions: • Connect the cable from the Ethernet connector to the RJ45 connector of the hub. • Enable the Ethernet LAN feature in the Setup Utility program. See “Starting the Setup Utility program” on page 33.
1. Depending on your Windows version, do one of the following: – For Windows 7: Click the Start button to open the Start menu. – For Windows 10: Right-click the Start button to open the Start context menu. 2. Click Control Panel. View Control Panel using Large icons or Small icons, and then click Network and Sharing Center ➙...
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Excessive number of fragmented files Solution: Use the Windows disk defragmentation or disk optimization feature to clean up the files. Note: Depending on the volume of the storage drives and amount of data stored on the storage drives, the disk-defragmentation process might take up to several hours. 1.
• Update the program. See “Keeping your computer current” on page 26. • Uninstall the program and then reinstall it. To download a program that is preinstalled on your computer, go to http://www.lenovo.com/support and follow the instructions on the screen. Chapter 6...
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 might need the log files when you speak to a Lenovo technical support representative.
37. 2. Follow the instructions on the screen to choose the appropriate recovery solution. • Use the recovery disc set provided by Lenovo to restore the entire storage drive to the factory-default settings. – If your computer comes with the recovery disc set, follow the instructions shipped with the disc set.
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Note: To create a recovery medium, see “Good maintenance practices” on page 26. • Use the recovery USB key provided by Lenovo to restore the entire storage drive to the factory-default settings. – If your computer comes with the recovery USB key, follow the instructions shipped with the USB key.
• When installing or replacing an option, use the appropriate instructions in this section along with the instructions that come with the option. • In most areas of the world, Lenovo requires the return of the defective CRU. Information about this will come with the CRU or will come a few days after the CRU arrives.
Use the instructions shipped with the option to help you make the connection and install any software or device drivers that are required for the option. Replacing the computer stand Attention: Do not open your computer or attempt any repair before reading and understanding the “Read this first: Important safety information”...
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5. Insert the screw on the base into the corresponding hole in the new tilt-only monitor stand. Then, tighten the screw to secure the monitor stand. Figure 14. Installing the tilt-only monitor stand to the base 6. Insert the two hooks on the new tilt-only monitor stand into the corresponding holes in the computer cover as shown.
3. Press the retaining latch on the transformer stand as shown to disengage the latch. Then, remove the transformer stand from the computer cover. Figure 16. Removing the transformer stand from the computer cover 4. Insert the two hooks on the new transformer stand into the corresponding holes in the computer cover as shown.
3. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the computer cover is facing up. 4. Remove the computer stand. See “Replacing the computer stand” on page 52. 5.
5. Insert the straight edge of the new memory module shield into the hole as shown. Then, pivot it downward until it snaps into position. Figure 20. Installing the memory module shield What to do next: • To work with another piece of hardware, go to the appropriate section. •...
5. Insert the notched end of the new memory module into the slot . Press the memory module firmly and pivot the memory module until it snaps into position. Ensure that the memory module is secured in the slot and does not move easily. Figure 22.
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6. Flex the sides of the storage drive bracket to remove the storage drive from the bracket. Figure 24. Removing the storage drive from the bracket 7. Flex the sides of the storage drive bracket and insert the four pins on the bracket into the corresponding holes in the new storage drive.
9. Insert the two tabs on the storage drive bracket into the corresponding holes in the chassis. Then, pivot the storage drive bracket downward until it snaps into position. Figure 26. Installing the storage drive bracket and the storage drive What to do next: •...
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6. Reconnect the external cables and power cords to the corresponding connectors on the computer. See “Hardware locations” on page 1 . 7. Update your configuration. See “Using the Setup Utility program” on page 33. 8. If a newly installed hardware component does not work normally, update the device driver. See “Keeping your computer current”...
User Guide. Lenovo Web site The Lenovo Web site (http://www.lenovo.com) provides up-to-date information and services to help you buy, upgrade, and maintain your computer. You also can do the following: • Shop for desktop and notebook computers, monitors, projectors, upgrades and accessories for your computer, and special offers.
• Engineering Change management - There might be changes that are required after a product has been sold. Lenovo or your reseller will make selected Engineering Changes (ECs) that apply to your hardware available.
For technical assistance with the installation of or questions related to Service Packs for your preinstalled Microsoft Windows product, go to the Microsoft Product Support Web site at http://support.microsoft.com. You also can contact the Lenovo Customer Support Center for help. Some fees might apply. Purchasing additional services During and after the warranty period, you can purchase additional services.
• Consult an authorized dealer or service representative for help. Lenovo is not responsible for any radio or television interference caused by using other than specified or recommended cables and connectors or by unauthorized changes or modifications to this equipment.
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Geräte der 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, Gropiusplatz 10, D-70563 Stuttgart. Informationen in Hinsicht EMVG Paragraf 4 Abs. (1) 4: Das Gerät erfüllt die Schutzanforderungen nach EN 55024 und EN 55022 Klasse B.
All regulatory notices are available on the Lenovo Support Web site in electronic format. To access electronic copies of the documentation, go to http://www.lenovo.com/UserManuals.
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.
If you need to replace it with a new one, contact your place of purchase or contact Lenovo for service. If you need to dispose of a disused lithium battery, insulate it with vinyl tape, contact your place of purchase or an industrial-waste-disposal operator, and follow their instructions.
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Customer participation is important to minimize any potential effects of batteries and accumulators on the environment and human health due to the potential presence of hazardous substances. For proper collection and treatment, go to: http://www.lenovo.com/recycling Appendix B. WEEE and recycling information...
For more information about Lenovo worldwide compliance on RoHS, go to: http://www.lenovo.com/social_responsibility/us/en/RoHS_Communication.pdf 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 &...
For more information about ENERGY STAR, go to: http://www.energystar.gov Lenovo encourages you to make efficient use of energy an integral part of your day-to-day operations. To help in this endeavor, set the following power-management features to take effect when your computer has been inactive for a specified duration: Table 1.
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.
Trademarks The following terms are trademarks of Lenovo in the United States, other countries, or both: Lenovo The Lenovo logo ThinkCentre The ThinkCentre logo Rescue and Recovery ThinkVantage Microsoft, Windows, and Windows Media are trademarks of the Microsoft group of companies.