® 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.
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.
• Do not leave your computer, power adapter, or accessories in contact with your lap or any part of your body for an extended period when the products are functioning or when the battery is charging. Your computer, power adapter, and many accessories produce some heat during normal operation. Extended contact with the body could cause discomfort or, potentially, a skin burn.
Power button Power indicator USB 3.0 connectors (2) Headset connector • Headset connector Used to connect a headset or a headphone to your computer. You can use the headset to record sounds, use speech-recognition software, and listen to the sounds from your computer without disturbing anyone. You can use the headphone only to listen to the sounds from your computer.
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• Reset button Used to put the computer into the recovery mode. For more information about restoring your computer, contact the Lenovo Customer Support Center. • SD card reader slot Used to hold a secure digital (SD) card and make the card be read by the card reader.
Locating components The following illustration shows the locations of the various components in your computer. To remove the front cover, see “Removing the front cover” on page 27. Figure 3. Component locations Front cover ac power adapter (available on some models) Power cord (available on some models) Memory modules (2) Power button board...
Locating parts on the system board The following illustration shows the locations of the parts on the system board. Figure 4. System board part locations Microprocessor heat sink assembly Memory slot 1 Memory slot 2 Power button board connector M.2 storage drive slot Coin-cell battery M.2 Wi-Fi card slot System fan connector...
Locating the 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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Microprocessor ® ® • Intel Celeron microprocessor ™ • Intel Core microprocessor Memory Your computer supports two double data rate 3 small outline dual inline memory modules (DDR3 SODIMM). Internal drives Your computer supports an M.2 storage drive. Video features •...
Specifications This section lists the physical specifications for your computer. Note: Lenovo computers meet the eco-design requirements of the ErP Lot 3 regulation. For more information, go to: http://www.lenovo.com/ecodeclaration Dimensions Width: 179 mm (7.05 inches) Height: 34.5 mm (1.36 inches) Depth: 182 mm (7.17 inches)
When you register your computer with Lenovo, you enter required information into a Lenovo database. The information enables Lenovo to contact you when there is a recall or other severe problem and provide quicker service when you call Lenovo for help. In addition, some locations offer extended privileges and services to registered users.
For more information about power cords, see “Power cords and power adapters” on page iv. Accessibility information Lenovo is committed to providing people with disabilities greater access to information and technology. As a result, the following information provides ways to help users that have hearing, vision, and mobility limitations get the most out of their computer experience.
1. 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. Each image in the documentation also includes adequate alternative text so that visually impaired users can understand the image when they use a screen reader.
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 6.
Moving your computer Take the following precautions before moving your computer: 1. Back up all files and data from the storage drive. There are a variety of backup programs available commercially. 2. Remove all media from your computer, such as discs, USB storage devices, memory cards, and so on. 3.
Note: If you cannot correct the problem, have the computer serviced. For a list of service and support telephone numbers, refer to the Safety, Warranty, and Setup Guide that comes with your computer or go to the Lenovo Support Web site at: http://www.lenovo.com/support/phone...
• Ensure that the audio device drivers are correctly installed. To download the latest audio device drivers, go to http://www.lenovo.com/support and follow the instructions on the screen. Sound comes only from one external speaker Solutions: •...
• Ensure that all cables and cords are securely connected to the computer and connected devices. • Ensure that when the computer is on, the fan grill is not blocked (there is air flow around the grill), and the fans are working. If airflow is blocked or the fans are not working, the computer might overheat. •...
My computer is a Gigabit Ethernet model and I use a speed of 1000 Mbps, but the connection fails or errors occur Solution: Connect the network cable to the Ethernet connector using Category 5 wiring and a 100 BASE-T hub/switch (not 100 BASE-X). My computer is a Gigabit Ethernet model, but it cannot be connected to the network at 1000 Mbps, but at only 100 Mbps Solutions:...
• If you are having difficulty with the Chrome OS operating system or one of its components, refer to the Chrome OS help information system. • Check whether the problems are caused by a newly-installed application program. 1. Ensure that the software is compatible with your computer. Refer to the information supplied with the software for more information.
Important safety information” on page iii. Notes: • Use only computer parts provided by Lenovo. • When installing or replacing an option, use the appropriate instructions in this section along with the instructions that come with the option.
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CAUTION: Before you open the computer cover, turn off the computer and wait several minutes until the computer is cool. To replace the ac power adapter, do the following: 1. Remove any media from the drives and turn off all connected devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.
Figure 8. Installing the ac power adapter Removing the front cover Attention: Do not open your computer or attempt any repair before reading and understanding the “Read this first: Important safety information” on page iii. CAUTION: Before you open the front cover, turn off the computer and wait several minutes until the computer is cool.
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3. Remove the screw that secures the front cover. Figure 9. Removing the screw that secures the front cover 4. Slide the front cover to the front of the computer. Then, lift the front cover to remove it from the computer. ThinkCentre Chromebox User Guide...
Figure 10. Removing the front cover Completing the parts replacement After completing the installation or replacement for all parts, you need to reinstall the front cover and reconnect cables. To reinstall the front cover and reconnect cables to your computer, do the following: 1.
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3. Position the front cover on the rear cover so that the rail guides on the bottom of the front cover engage the rails on the rear cover. Then, push the front cover to the front of the computer until it snaps into position.
6. Reconnect the external cables and power cords to the computer. See “Locating connectors on the rear of your computer” on page 2. Note: 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.
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 can also do the following: •...
• 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 the programs for your preinstalled Google Chrome product, go to the Google Web site at http://support.google.com and follow the instructions on the screen. 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...
(RoHS) European Union RoHS Lenovo products sold in the European Union, on or after 3 January 2013 meet the requirements of Directive 2011/65/EU on the restriction of the use of certain hazardous substances in electrical and electronic equipment (“RoHS recast” or “RoHS 2”).
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 Chromebox and Chrome OS are trademarks of Google Inc. Celeron, Intel, and Intel Core are trademarks of Intel Corporation or its subsidiaries in the U. S. and/or other countries.