® Document Format (PDF) version from the Lenovo Support Web site at http://www.lenovo.com/support. The Lenovo Support Web site also provides the ThinkCentre Safety, Warranty, and Setup Guide and this ThinkCentre 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.
or CRU, do not open the static-protective package containing the part until the instructions direct you to install it. When you handle options or CRUs, or perform any work inside the computer, take the following precautions to avoid static-electricity damage: •...
For your safety and to maintain optimum computer performance, always follow these basic precautions with your desktop computer: • Keep the cover closed whenever the computer is plugged in. • Regularly inspect the outside of the computer for dust accumulation. •...
Chapter 1. Product overview This chapter provides information about the computer features, specifications, software programs provided by Lenovo, and locations of connectors, components, parts on the system board, and internal drives. Features This section introduces the computer features. The information covers a variety of models.
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• Integrated high-definition (HD) audio • Microphone connector and headphone connector • Internal stereo speakers with sound enhancement technology Connectivity • 100/1000 Mbps integrated Ethernet controller 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, including processor type, installation date, attached printers and other peripherals, power sources, and maintenance history.
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Preinstalled software programs Your computer is preinstalled with software programs to help you work more easily and securely. For more information, see “Lenovo programs” on page 5. Preinstalled operating system Your computer is preinstalled with one of the following operating systems: •...
The operating system(s) listed here are being certified or tested for compatibility at the time this publication goes to press. Additional operating systems might be identified by Lenovo as compatible with your computer following the publication of this manual. This list is subject to change. To determine if an operating system has been certified or tested for compatibility, check the Web site of the operating system vendor.
Input frequency range: 50 to 60 Hz Lenovo programs Your computer comes with Lenovo programs to help you work more easily and securely. Depending on the Windows operating system preinstalled, the programs might vary. Accessing Lenovo programs on the Windows 7 operating system On the Windows 7 operating system, you can access Lenovo programs from either the Lenovo ®...
If a desired program is not in the list, click the plus icon +. • Press the Windows key to go to the Start screen. Click a Lenovo program to launch it. If you cannot find the program you need, move the pointer to the bottom-right corner of the screen to display the charms.
• Lenovo Cloud Storage The Lenovo Cloud Storage program is a cloud storage solution that enables you to store your files, such as documents and pictures, on a server. You can access the stored files through the Internet from different devices such as personal computers, smart phones, or tablets.
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• Lenovo ThinkVantage Tools The Lenovo ThinkVantage Tools program guides you to a host of information sources and provides easy access to various tools to help you work more easily and securely.
Locations This section provides information to help you locate the connectors on the front and rear of your computer, parts on the system board, and components and internal drives in your computer. Note: The components in your computer might look slightly different from the illustrations. Locating connectors, controls, and indicators on the front of your computer Figure 1 “Front connector, control, and indicator locations”...
Integrated microphones Monitor/Computer mode switch Ambient light sensor Right Integrated camera indicator Speaker mute/unmute control (computer mode) Integrated camera with block shield Left Power switch Microphone mute/unmute control (computer mode) Hard disk drive activity indicator Exit On-Screen Display (OSD) menu Enter For more information about the front controls, see “Using your computer in monitor mode”...
Locating connectors on the rear of your computer Figure 2 “Rear connector locations” on page 11 shows the locations of the connectors on the rear of your computer. Some connectors on the rear of your computer are color-coded to help you determine where to connect the cables on your computer.
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The card reader slot is for 11-in-1 card readers, supporting the following cards: • MultiMediaCard (MMC) • Reduced-Size MultiMediaCard (RS-MMC) • MultiMediaCard-mobile (MMC-mobile) • MultiMediaCard-plus (MMC-plus) • Secure Digital (SD) card • Secure Digital High-Capacity (SDHC) card • Secure Digital eXtended-Capacity (SDXC) card •...
Locating components This section shows the locations of the various components in your computer. To remove the computer cover, see “Removing the computer cover” on page 41. Figure 3. Component locations for models with the 20-inch display Chapter 1 Product overview...
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Frame stand (available on some models) Power supply assembly Internal speaker Computer cover Battery Rear PS/2 connectors and serial port assembly Heat sink Microprocessor fan Microprocessor Hard disk drive Memory module LCD bracket Heat sink and fan assembly for graphics processing LCD panel unit (GPU) (available in some models) Card reader (available in some models)
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Figure 4. Component locations for models with the 23-inch display Chapter 1 Product overview...
Frame stand (available on some models) Bluetooth module (available in some models) Power supply assembly Computer cover Battery Internal speaker Heat sink Rear PS/2 connectors and serial port assembly Microprocessor Microprocessor fan Memory module Hard disk drive Heat sink and fan assembly for graphics processing Converter board unit (GPU) (available in some models) Card reader (available in some models)
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Microprocessor Mini PCI Express x1 card slot Battery Rear I/O assembly slot mSATA connector Volume control panel connector Touch panel control board connector (for touch PS/2 keyboard and mouse connector model only) Integrated camera connector Front control panel connector Light sensor connector Serial (COM2) connector Memory slots (2) SATA power connector...
Adjusting the frame stand Your computer might come with a frame stand that you can use to adjust the computer to your comfortable position. Pull the stand open and adjust the position of the computer at an angle between 10° to 45° as shown in the following illustration.
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 following is a sample of the machine type and model label.
“Creating recovery media” on page 76. Additionally, in case of a hard disk failure, you can order Product Recovery discs from the Lenovo Customer Support Center. For information about contacting the Customer Support Center, see Chapter 11 “Getting information, help, and service”...
Some keyboards have a blue ThinkVantage button that you can use to open a comprehensive on-board help and information center from Lenovo. Pressing the blue ThinkVantage button opens the SimpleTap program on the Windows 7 operating system or the Lenovo PC Device Experience program on the Windows 8 operating system.
Using the wheel mouse The wheel mouse has the following controls: Primary mouse button Use this button to select or start a program or menu item. Wheel Use the wheel to control the scrolling action of the mouse. The direction in which you rotate the wheel controls the direction of the scrolling action.
3. Click Turn system icons on or off and change the volume behaviors from Off to On. 4. Click OK to save the new settings. Setting the volume from Control Panel You can set the computer volume from Control Panel. To set the computer volume from Control Panel, do the following: 1.
If your computer comes with a recordable DVD drive, you can use the drive to record CDs or DVDs. To record a CD or DVD, do one of the following: • On the Windows 7 operating system, you have either the Corel DVD MovieFactory Lenovo Edition program or the Power2Go program installed on your computer.
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round circle is displayed. Then, lift your finger off the touch screen. A context menu will be displayed, where you can make selections. Using the single-touch feature The single-touch feature enables you to use only one finger at a time to interact with your computer. Using the multi-touch feature The multi-touch feature enables you to use one or two fingers to interact with your computer.
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3. Clean the inside edges of the monitor with a soft, dry brush, and then with a soft, dry lint-free cloth. Do not leave any scratch on the edges. Figure 9. Cleaning the inside edges of the monitor The following table shows the supported touch feature on each operating system edition. Table 3.
The following topics provide information about arranging your work area, setting up your computer equipment, and establishing healthy work habits. 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.
Adjust the monitor so the top of the screen is at, or slightly below, eye level. Place the monitor at a comfortable viewing distance, usually 51 to 61 cm (20 to 24 inches), and position it so you can view it without having to twist your body.
When you register your computer, information is entered into a database, which enables Lenovo to contact you in case of a recall or other severe problem. After you register your computer with Lenovo, you will receive quicker service when you call Lenovo for help. In addition, some locations offer extended privileges and services to registered users.
If you relocate your computer to a country or region that uses an electrical outlet style different from the type you are currently using, you will have to purchase either electrical plug adapters or new power cords. You can order power cords directly from Lenovo. For power cord information and part numbers, go to: http://www.lenovo.com/powercordnotice...
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 an integrated cable lock directly from Lenovo by searching for Kensington at: http://www.lenovo.com/support Figure 10.
Your computer is preinstalled with an antivirus program to help you guard against, detect, and eliminate 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.
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For more information about how to use your antivirus software, refer to the help system of your antivirus software. ThinkCentre User Guide...
Do not open your computer or attempt any repair before reading and understanding “Important safety information” on page v. Notes: 1. Use only computer parts provided by Lenovo. 2. When installing or replacing an option, use the appropriate instructions in this section along with the instructions that come with the option.
Removing and reinstalling the frame stand Attention: Do not open your computer or attempt any repair before reading and understanding “Important safety information” on page v. This section provides instructions on how to remove and reinstall the frame stand. Note: The frame stand is available only in some models. To remove and reinstall the frame stand, do the following: 1.
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This section provides instructions on how to install the monitor stand. Note: The monitor stand is available only in some models. To install the monitor stand, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.
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Figure 13. Installing the monitor stand 5. After installing the monitor stand, pull up the computer to the vertical position and remove the monitor stand lock to adjust the height of the monitor stand. The monitor stand has a height adjustment range of 110 millimeters (4.33 inches).
Figure 14. Removing the monitor stand lock 6. If needed, open the cable manager and route the cables connected to the computer through the cable manager to keep your workspace neat. What to do next: • To work with another piece of hardware, go to the appropriate section. •...
4. Remove any locking device that secures the computer cover, such as an integrated cable lock. See “Attaching an integrated cable lock” on page 34. 5. 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 cover is facing up.
Figure 16. Removing the frame foot 7. To reinstall the frame foot, align the four screw holes in the frame foot with those in the chassis, and then install the screws to secure the frame foot to the chassis. What to do next: •...
Figure 17. Removing the handle bar 6. To reinstall the handle bar, align the two screw holes in the handle bar with those in the chassis, and then install the screws to secure the handle bar to the chassis. What to do next: •...
Figure 18. Removing the rear I/O assembly 6. To reinstall the rear I/O assembly, align the screw holes in the rear I/O assembly with those in the chassis. Then, press the top of the rear I/O assembly downward until it snaps into place. 7.
5. Locate the memory modules. See “Locating components” on page 13. 6. Open the retaining clips. If you are replacing an old memory module, open the retaining clips and remove the memory module being replaced as shown. Figure 19. Removing the memory module 7.
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1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2. 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 cover is facing up.
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Figure 23. Installing the hard disk drive into the bracket 9. Connect the signal cable and the power cable to the new hard disk drive. 10. To install the hard disk drive to the chassis, do one of the following: •...
Figure 25. Installing the hard disk drive (23-inch display) What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to “Completing the parts replacement” on page 73. Replacing the optical drive Attention: Do not open your computer or attempt any repair before reading and understanding “Important safety information”...
Figure 26. Removing the optical drive 6. To install a new optical drive, slide the new optical drive into the optical drive bay until it snaps into position. Figure 27. Installing the optical drive What to do next: • To work with another piece of hardware, go to the appropriate section. •...
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2. 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 cover is facing up.
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To replace the heat sink, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2.
What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to “Completing the parts replacement” on page 73. Replacing the microprocessor Attention: Do not open your computer or attempt any repair before reading and understanding “Important safety information” on page v.
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6. Lift the small handle and open the retainer to access the microprocessor Figure 30. Accessing the microprocessor 7. Lift the microprocessor straight up and out of the microprocessor socket. Figure 31. Removing the microprocessor Notes: a. Your microprocessor and socket might look different from the one illustrated. ThinkCentre User Guide...
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b. Note the orientation of the microprocessor in the socket. You can either look for the small triangle on one corner of the microprocessor or note the orientation of the notches on the microprocessor. This is important when installing the new microprocessor on the system board. c.
What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the replacement, go to “Completing the parts replacement” on page 73. Replacing the internal speakers Attention: Do not open your computer or attempt any repair before reading and understanding “Important safety information” on page v.
Replacing the thermal sensor Attention: Do not open your computer or attempt any repair before reading and understanding “Important safety information” on page v. This section provides instructions on how to replace the thermal sensor. To replace the thermal sensor, do the following: 1.
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Figure 35. Removing the thermal sensor 8. To install a new thermal sensor, insert one of the clips of the new thermal sensor to the corresponding hole in the VESA mount bracket and then press the thermal sensor towards the VESA mount bracket until it snaps into position.
Figure 36. Installing the thermal sensor 9. Connect the thermal sensor cable to the system board. See “Locating parts on the system board” on page 16. 10. Align the screw holes in the VESA mount bracket with those in the chassis and then install the screws to secure the VESA mount bracket to the chassis.
2. 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 cover is facing up. 3. Remove the computer cover. See “Removing the computer cover” on page 41. 4.
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To replace the WI-FI card, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2.
Figure 39. Removing the WI-FI card 8. Insert the notched end of the new WI-FI card into the mini PCI Express x1 card slot. Press the new WI-FI card firmly and then pivot the WI-FI card to align the screw hole in the new WI-FI card with the one in the system board.
5. Carefully remove the two screws that secure the ambient light sensor and then lift the ambient light sensor out of the computer. Figure 40. Removing the ambient light sensor 6. Disconnect the ambient light sensor cable from the system board. 7.
5. Locate the Bluetooth module. See “Locating components” on page 13. 6. Note the Bluetooth module cable routing and disconnect the cable from the system board. 7. Carefully release the Bluetooth module and lift the Bluetooth module out of the computer. Figure 41.
Figure 42. Removing the card reader 7. Align the screw holes in the new card reader with those on the system board and then install the two screws to secure the card reader. 8. Connect the card reader cable to the new card reader. What to do next: •...
Figure 43. Removing the ExpressCard 6. Connect the new ExpressCard to the ExpressCard connector on the system board. Align the screw holes in the new ExpressCard with the corresponding holes in the system board and then install the four screws to secure the new ExpressCard to the system board. What to do next: •...
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3. Remove the computer cover. See “Removing the computer cover” on page 41. 4. Locate the heat sink and fan assembly for GPU. See “Locating components” on page 13. 5. Note the routing of the GPU fan cable and then disconnect the GPU fan cable from the system board. 6.
What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to “Completing the parts replacement” on page 73. Replacing the rear PS/2 connectors and serial port assembly Attention: Do not open your computer or attempt any repair before reading and understanding “Important safety information”...
Figure 45. Removing the rear PS/2 connectors and serial port assembly 7. Align the screw hole in the new rear PS/2 connectors and serial port assembly with the corresponding screw hole in the chassis. Then, install the screw to secure the new rear PS/2 connectors and serial port assembly to the chassis.
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Figure 46. Mouse connectors • If you are using a wireless mouse, do the following: 1. Disconnect the USB dongle from your computer. Then, take away your failing wireless mouse. 2. Remove the new wireless mouse from the package. 3. Remove the USB dongle from the compartment of the new wireless mouse or from the compartment of the new wireless keyboard.
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1. Open the mouse battery-compartment cover. 2. Remove the USB dongle from the mouse. 3. Connect the USB dongle to any USB connector on 4. Insert two AAA batteries into the mouse according to the polarity indicators. the computer. 5. Close the mouse battery-compartment cover and 6.
What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the replacement, go to “Completing the parts replacement” on page 73. Replacing the keyboard Attention: Do not open your computer or attempt any repair before reading and understanding “Important safety information” on page v.
3. Install the keyboard by opening the keyboard battery-compartment cover and installing two AAA batteries according to the polarity indicators. Figure 48. Installing the keyboard batteries 4. Remove the USB dongle from the keyboard battery-compartment or from the wireless mouse battery-compartment and connect it to an available USB connector on the computer.
7. To update your configuration, refer to Chapter 7 “Using the Setup Utility program” on page 83. Note: In most areas of the world, Lenovo requires the return of the defective Customer Replaceable Unit (CRU). Information about this will come with the CRU or will come a few days after the CRU arrives.
Recovery program or the Product Recovery program installed. If the Enhanced Backup and Restore icon in the Lenovo ThinkVantage Tools program is dimmed, it indicates that you need to install the Rescue and Recovery program manually before enabling its features. To install the Rescue and Recovery program, do the following: a.
Note: On the Windows 7 operating system, you can create recovery media using discs or external USB storage devices. To create recovery media on the Windows 7 operating system, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ Factory Recovery Disks. Then, follow the instructions on the screen.
1. From the Windows desktop, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ Enhanced Backup and Restore. The Rescue and Recovery program opens. 2. In the Rescue and Recovery main window, click the Launch advanced Rescue and Recovery arrow.
This section provides instructions on how to create a rescue medium. To create a rescue medium on the Windows 7 operating system, do the following: 1. From the Windows desktop, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ Enhanced Backup and Restore. The Rescue and Recovery program opens.
Reinstalling preinstalled applications This section provides instructions on how to reinstall preinstalled applications. To reinstall the selected applications preinstalled on your Lenovo computer, do the following: 1. Turn on the computer. 2. Go to the C:\SWTOOLS directory. 3. Open the apps folder. Within the apps folder, there are several subfolders named for various applications installed in your computer.
• To reinstall most commercially available programs in your system, see Microsoft Windows help system for more information. • To reinstall selected application programs that came preinstalled from Lenovo, do the following: 1. Turn on the computer. 2. Go to the C:\SWTOOLS directory.
Recovery information for the Windows 8 operating system This section provides information about the recovery solutions provided on computers preinstalled with the Windows 8 operating system. Refreshing your computer If your computer does not perform well and the problem might be caused by a recently installed program, you can refresh your computer without losing your personal files or changing your settings.
• Administrator Password • Hard Disk Password You do not have to set any passwords to use your computer. However, using passwords improves computing security. If you decide to set any passwords, read the following sections. Password considerations A password can be any combination of up to 64 alphabetic and numeric characters. For security reasons, it is recommended to use a strong password that cannot be easily compromised.
2. From the Setup Utility program main menu, select Security. 3. Depending on the password type, select Set Power-On Password, Set Administrator Password, or Hard Disk Password. 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.
Selecting a startup device If your computer does not start up from a device such as the disc or hard disk drive as expected, do one of the following to select the startup device you want. Selecting a temporary startup device Use this procedure to select a temporary startup device.
1. Start the Setup Utility program. 2. From the Setup Utility program main menu, select Power ➙ Automatic Power On, and press Enter. 3. Select Wake Up on Alarm and press Enter. Then follow the instructions on the screen. 4. Press F10 to save changes and exit the Setup Utility program. Press Enter when prompted to confirm the exit.
2. From the Setup Utility program main menu, select Power. 3. Select Intelligent Cooling Engine (ICE). The Intelligent Cooling Engine (ICE) window is displayed. 4. Select ICE Thermal Alert. The ICE Thermal Alert window is displayed. 5. Select Enabled or Disabled as desired. 6.
Utility program by starting your computer with a system-program-update disc or running a special update program from your operating system. Lenovo might make changes and enhancements to the POST and BIOS. When updates are released, they are available as downloadable files on the Lenovo Web site at http://www.lenovo.com. Instructions for using the POST and BIOS updates are available in a TXT file that is included with the update files.
Updating (flashing) the BIOS from your operating system Note: Because Lenovo makes constant improvements to its Web sites, the Web page contents are subject to change without notice, including the contents referenced in the following procedure. To update (flash) the BIOS from your operating system, do the following: 1.
Attention: Do not download updated device drivers from the Windows Update Web site. The device drivers provided on the Windows Web site have not been tested by Lenovo and using them might cause unexpected problems. Obtain updated device drivers from Lenovo.
The System Update program helps you keep the software on your computer up-to-date. Update packages are stored on Lenovo servers and can be downloaded from the Lenovo Support Web site. Update packages can contain applications, device drivers, BIOS flashes, or software updates. When the System Update...
Cleaning your computer It is a good practice to clean your computer periodically to protect the surfaces and ensure trouble-free operation. CAUTION: Be sure to turn off the computer and monitor power switches before cleaning the computer and monitor screen. Computer Use only mild cleaning solutions and a damp cloth to clean the painted surfaces of the computer.
A log book can help you or a Lenovo technician determine if a problem is related to change in hardware, change in software, or some other action that might have taken place.
1. Back up all files and data from the hard disk drive. There are a variety of backup programs available commercially. Your operating system also might have a backup program that you can use. Lenovo provides the Rescue and Recovery program to help you back up and restore data. See “Performing backup and recovery operations”...
Note: If you cannot correct the problem, have the computer serviced. For a list of service and support telephone numbers, refer to the ThinkCentre 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. Symptom...
See Chapter 11 “Getting information, help, and service” on page 115 for more information. • If you are unable to run the diagnostic program, contact the Lenovo Customer Support Center. See Chapter 11 “Getting information, help, and service” on page 115 for more information.
1. Remove the new hardware option or software. If you must remove the computer cover to remove a hardware option, make sure you review and follow the electrical safety information provided with your computer. For your safety, do not operate the computer with the cover removed. 2.
Refer to the documentation that comes with the application or game for instructions on setting sound-card settings. • If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 115.
Note that on some models the startup sequence is permanently set and cannot be changed. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 115.
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• Close any open files, turn off the computer, and then restart the computer. • Try a lower screen resolution or color depth. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 115.
• On computers that have a CD-ROM or CD-RW drive in addition to a DVD-ROM drive, make sure that the DVD disc is in the drive labeled “DVD”. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 115.
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See “Enabling or disabling a device” on page 85. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 115.
If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 115.
Actions: • The monitor might be operating in a low-refresh rate display mode. Set the monitor to the highest, noninterlaced refresh rate supported by your monitor and the video controller in your computer. Attention: Using a resolution or refresh rate that is not supported by your monitor might damage it. Check the documentation that comes with your monitor to verify the supported refresh rates.
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Ethernet problems For Ethernet problems, select your symptom from the following list: • “Your computer cannot connect to the network” on page 107 • “The adapter stops working for no apparent reason” on page 107 • “If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection fails or errors occur”...
Action: The network driver files may be corrupt or missing. Update the driver by referring to the “Solution” description for the procedure to make sure that the correct device driver is installed. The Wake on LAN feature is not working Symptom: The Wake on LAN (WOL) feature is not working.
If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 115.
• Verify that the option and any required device drivers are installed correctly. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 115.
115. For step-by-step instructions on installing memory, see “Installing or replacing a memory module” on page 45. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 115.
• Make sure that the serial-port adapter, if you added one, is properly installed and firmly seated. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 115.
• Reset the device by detaching and reattaching the USB connector. If these actions do not correct the problem, run the Lenovo Solution Center program to test the USB connector. If the USB device came with its own diagnostics, run those diagnostics against the USB device.
Note: If you are unable to isolate and repair the problem yourself after running the program, save and print the log files. You will need the log files when you speak to a Lenovo technical support representative. ThinkCentre User Guide...
You can use the information in this section to access useful resources relating to your computing needs. Lenovo ThinkVantage Tools The Lenovo ThinkVantage Tools program guides you to a host of information sources and provides easy access to various tools to help you work more easily and securely.
Most computers come with a diagnostic program that help you identify hardware problems. You can also get the latest technical information and download device drivers and updates from Lenovo Support Web site at: http://www.lenovo.com/support...
Service availability and service name might vary by country or region. For more information about these services, go to the Lenovo Web site at: http://www.lenovo.com...
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 Rescue and Recovery ThinkCentre ThinkVantage Microsoft, Windows, and Windows Media are trademarks of the Microsoft group of companies. Intel, Intel Core, Celeron, and Pentium are trademarks of Intel Corporation in the United States, other countries, or both.
• 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.
Depending on the configuration of your computer and the country or region where the computer was purchased, you might have received additional printed regulatory notices. 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/support and click User Guides & Manuals.
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 on recycling Lenovo products, go to: http://www.lenovo.com/recycling...
If you want to replace it with a new one, contact your place of purchase or ask for a repair service provided by Lenovo. If you have replaced it by yourself and want to dispose of the disused lithium battery, insulate it with vinyl tape, contact your place of purchase, and follow their instructions.
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/lenovo/environment Appendix C. WEEE and recycling information...
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 4.