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.
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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• 100/1000 Mbps integrated Ethernet controller • Wi-Fi card module (optional) • Wi-Fi with Bluetooth module (optional) 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 4. Preinstalled operating system Your computer is preinstalled with one of the following operating systems: •...
Input frequency range: 50 or 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 ®...
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Note: If you do not find the program you need in Control Panel, open the Lenovo ThinkVantage Tools program navigation window and double-click the dimmed icon to install the program you need. Then, follow the instructions on the screen.
Lenovo program to launch it. 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.
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Lenovo programs, Microsoft programs, and other third party programs. • Lenovo QuickSnip The Lenovo QuickSnip program provides you with a quick and easy way to capture and share your experience. It enables you to grab a screenshot, snip and save the screenshot, and use it in other applications.
best use of your desktop. The program also is able to work across multiple monitors to improve your productivity. 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” on page 9 shows the locations of the connectors, controls, and indicators on the front of your computer. Figure 1. Front connector, control, and indicator locations Power switch USB 3.0 connector (USB port 1) Bluetooth activity indicator...
Locating connectors on the rear of your computer Figure 2 “Rear connector locations” on page 10 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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Connector Description DisplayPort connector Used to attach a high-performance monitor, a direct-drive monitor, or other devices that use a DisplayPort connector. Note: The DisplayPort connector is not applicable on some models. If your computer has a graphics card installed, be sure to use a monitor connector on the graphics card.
Locating components Figure 3 “Component locations” on page 12 shows the locations of the various components in your computer. To remove the computer cover, see “Removing the computer cover” on page 51. Figure 3. Component locations ThinkCentre M73 User Guide...
Computer cover Power cord ac power adapter System fan Thermal module Memory modules Cover presence switch (intrusion switch) Battery Internal speaker Wi-Fi card module Microprocessor Rear Wi-Fi antenna cable Front Wi-Fi antenna Rear Wi-Fi antenna Power switch board Hard disk drive assembly (with a hard disk drive or solid-state drive installed) Locating parts on the system board Figure 4 “System board part locations”...
Power switch board cable connector 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.
“Creating recovery media” on page 80. 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 computers might come with a keyboard that has a fingerprint reader. For more information about the fingerprint reader, see “An introduction to Lenovo programs” on page 6. To open the ThinkVantage Fingerprint Software program and use the fingerprint reader, see “Lenovo programs” on page 4.
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.
1. From the Windows desktop, click Start ➙ Control Panel ➙ Appearance and Personalization. 2. In the Taskbar and Start Menu section, click Customize icons on the taskbar. 3. Click Turn system icons on or off and change the volume behaviors from Off to On. 4.
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.
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 such a cable lock directly from Lenovo by searching for Kensington at: http://www.lenovo.com/support Figure 6.
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 M73 User Guide...
Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page v. 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.
Installing or removing the ac power adapter Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page v. This section provides instructions on how to install or remove the ac power adapter. To install the ac power adapter, connect the ac power adapter to the ac power adapter connector at the rear of your computer and a workable electrical outlet.
2. Remove the power cord from the ac power adapter cable loop at the rear of the computer and then disconnect the ac power adapter from the computer. Figure 8. Disconnecting the ac power adapter What to do next: • To work with another piece of hardware, go to the appropriate section. Installing or removing the vertical stand Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
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To install the vertical stand, do the following: 1. Turn off the computer. 2. Align the rear of the computer with the rear of the vertical stand and position the computer on the vertical stand as shown. Figure 9. Installing the vertical stand To remove the vertical stand, do the following: 1.
2. Lift the computer to remove it from the vertical stand. Figure 10. Removing the computer from the vertical stand Installing or removing the VESA mount bracket Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page v.
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2. Slide the computer into the VESA mount bracket. Figure 11. Installing the VESA mount bracket 3. Install the two screws to secure the VESA mount bracket to the computer. Figure 12. Installing the screws that secure the VESA mount bracket To remove the VESA mount bracket, do the following: 1.
2. Remove the two screws that secure the VESA mount bracket to the computer. Figure 13. Removing the screws that secure the VESA mount bracket 3. Slide the computer from the front of the VESA mount bracket to remove the VESA mount bracket from the computer.
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1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Pull the tab and then slide the ac power adapter bracket as shown to remove it from the VESA mount bracket. Figure 15. Removing the ac power adapter bracket ThinkCentre M73 User Guide...
To install the ac power adapter bracket to the VESA mount bracket, align the two tabs on the ac power adapter bracket with the slots in the VESA mount bracket, and then slide the ac power adapter bracket as shown to install it on the VESA mount bracket. Figure 16.
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3. Remove the screw that secures the optical drive box on the VESA mount bracket and then slide the optical drive box to remove it from the VESA mount bracket. Figure 17. Removing the optical drive box 4. Remove the screw that secures the optical drive in the optical drive box. Use the screwdriver to slide the optical drive forward and then remove the optical drive from the optical drive box.
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5. Remove the two screws that secure the optical drive metal plate and then remove the metal plate from the optical drive. Figure 19. Removing the optical drive metal plate 6. Align the two screw holes in the optical drive metal plate with the corresponding holes in the new optical drive and then install the two screws to secure the metal plate on the new optical drive.
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7. Slide the new optical drive into the optical drive box until it snaps into position. Figure 21. Installing the optical drive into the optical drive box 8. Install the screw that secures the optical drive in the optical drive box. Figure 22.
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9. Align the screw holes in the optical drive box with the two screws on the VESA mount bracket and then slide the optical drive box to install it on the VESA mount bracket. Figure 23. Installing the optical drive box Chapter 5 Installing or replacing hardware...
10. Install the screw that secures the optical drive box on the VESA mount bracket. Figure 24. Installing the screw that secures the optical drive box 11. Connect the optical drive cable to a USB connector on the computer. See “Locating connectors on the rear of your computer”...
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3. Remove the screw that secures the optical drive box on the VESA mount bracket and then slide the optical drive box as shown to remove it from the VESA mount bracket. Figure 25. Removing the optical drive box 4. Slide the release button on the optical drive box and then remove the secondary hard disk drive adapter from the optical drive box.
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5. Flex the sides of the hard disk drive adapter bracket and then pivot the hard disk drive adapter to remove the adapter from the adapter bracket. Figure 27. Removing the hard disk drive adapter from the adapter bracket 6. To remove the hard disk drive from the adapter, lift the adapter retaining latch. Slide the hard disk drive towards the retaining latch and then lift the hard disk drive out of the adapter.
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8. Install the new hard disk drive into the adapter as shown. Then, lower the adapter retaining latch until it snaps into position. Figure 30. Installing a new hard disk drive into the adapter 9. Position the adapter into the adapter bracket and then pivot the adapter downward until it snaps into position.
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10. Slide the adapter bracket into the optical drive box until it snaps into position. Figure 32. Installing the adapter bracket into the optical drive box ThinkCentre M73 User Guide...
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11. Align the screw holes in the optical drive box with the two screws on the VESA mount bracket and then slide the optical drive box to install it on the VESA mount bracket. Figure 33. Installing the optical drive box Chapter 5 Installing or replacing hardware...
12. Install the screw that secures the optical drive box on the VESA mount bracket. Figure 34. Installing the screw that secures the optical drive box 13. Connect the secondary hard disk drive cable to a USB connector on the computer. See “Locating connectors on the rear of your computer”...
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3. Remove the screw that secures the I/O box on the VESA mount bracket and then slide the I/O box as shown to remove it from the VESA mount bracket. Figure 35. Removing the I/O box To install the I/O box, do the following: 1.
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2. Align the two holes in the I/O box with the two screws on the VESA mount bracket and then slide the I/O box as shown to install it on the VESA mount bracket. Figure 36. Installing the I/O box ThinkCentre M73 User Guide...
3. Install the screw to secure the I/O box on the VESA mount bracket. Figure 37. Installing the screw to secure the I/O box 4. Connect the I/O box cable to a USB connector on the rear of your computer. See “Locating connectors on the rear of your computer”...
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5. Remove the screw that secures the computer cover. Figure 38. Removing the computer cover screw ThinkCentre M73 User Guide...
6. Slide the computer cover to the front of the computer a small amount. Then, lift the computer cover to remove it from the computer. Figure 39. Removing the computer cover Installing or removing the hard disk drive assembly Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
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5. Remove the two screws that secure the hard disk drive assembly. Slide the hard disk drive assembly as shown, and then lift the hard disk drive assembly to remove it from the computer. Figure 40. Removing the hard disk drive assembly To install the hard disk drive assembly, do the following: 1.
2. Install the two screws to secure the hard disk drive assembly. Figure 42. Installing the screws to secure the hard disk drive assembly 3. Connect the signal cable and the power cable to the hard disk drive. What to do next: •...
5. If you are replacing an old memory module, open the retaining clips and gently pull the memory module out of the memory slot. Figure 43. Removing the memory module 6. Insert the notched end of the new memory module into the slot .
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Your computer has a special type of memory that maintains the date, time, and settings for built-in features, such as parallel-port assignments (configuration). A battery keeps this information active when you turn off the computer. The battery normally requires no charging or maintenance throughout its life; however, no battery lasts forever.
10. Use the Setup Utility program to set the date, time, and any passwords. See Chapter 7 “Using the Setup Utility program” on page 87. Replacing the power switch board Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page v.
7. Align the hole in the new power switch board with the tab on the computer and position the new power switch board in the computer. Then, install the screw to secure the new power switch board on the chassis. Figure 48.
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3. Remove the hard disk drive assembly. See “Installing or removing the hard disk drive assembly” on page 53. 4. Locate the Wi-Fi card module in the computer. See “Locating components” on page 12. 5. Disconnect the Wi-Fi antenna cables from the Wi-Fi card module. Figure 49.
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 76. Installing or removing the front Wi-Fi antenna Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
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6. Route the front Wi-Fi antenna cable through the five hooks in the hard disk drive bracket as shown. Figure 55. Routing the front Wi-Fi antenna cable 7. Reinstall the hard disk drive assembly without connecting the signal cable and power cable. See “Installing or removing the hard disk drive assembly”...
5. Release the front Wi-Fi antenna cable from the hooks on the hard disk drive bracket. Then, unstick the front Wi-Fi antenna from the hard disk drive bracket. Figure 57. Removing the front Wi-Fi antenna cable What to do next: •...
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3. Adjust the angle of the rear antenna to lower the risk of breaking the antenna by accident. Figure 58. Installing the rear Wi-Fi antenna To remove the rear Wi-Fi antenna, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2.
Replacing the internal speaker Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page v. This section provides instructions on how to replace the internal speaker. To replace the internal speaker, do the following: 1.
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7. Press the tab that secures the internal speaker as shown and then lift the internal speaker out of the internal speaker holder. Figure 61. Removing the internal speaker 8. Press the tab as shown and insert the new internal speaker into the internal speaker holder until the new internal speaker snaps into position and is secured by the tab Figure 62.
9. Secure the cable of the new internal speaker in the retaining clip on the side of the thermal module bracket. Figure 63. Securing the internal speaker cable 10. Connect the cable of the new internal speaker to the internal speaker connector on the system board. See “Locating parts on the system board”...
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5. Pull the cover presence switch to remove it from the heat sink bracket. Figure 64. Removing the cover presence switch 6. Attach the new cover presence switch to the thermal module. Figure 65. Installing the cover presence switch 7. Connect the cable of the new cover presence switch to the cover presence switch connector on the system board.
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 76. Replacing the system fan Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page v.
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5. Remove the three screws that secure the system fan to the thermal module, and then lift the system fan to remove it from the computer. Figure 66. Removing the system fan ThinkCentre M73 User Guide...
6. Position the new system fan on the chassis so that the three screw holes in the new system fan are aligned with the screw posts on the thermal module. Then, install the three screws to secure the system fan to the computer. Figure 67.
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3. Locate the thermal module in the computer. See “Locating components” on page 12. 4. Remove the internal speaker. See “Replacing the internal speaker” on page 65. 5. Remove the cover presence switch. See “Replacing the cover presence switch” on page 67. 6.
8. install the new thermal module into the chassis as shown. Ensure that the four screws on the new thermal module are aligned with corresponding holes in the system board. Figure 69. Positioning the new thermal module 9. Follow the clockwise sequence of , and to install the four screws to secure the new thermal module.
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4. Lift the small handle and open the retainer to access the microprocessor Figure 70. Accessing the microprocessor 5. Lift the microprocessor straight up and out of the microprocessor socket. Notes: • Your microprocessor and socket might look different from the one illustrated. •...
8. Note the orientation of the new microprocessor. Hold the new microprocessor by its edges and align the notches on it with the tabs in the microprocessor socket. Then, carefully lower the new microprocessor straight down into the microprocessor socket. Note: The small triangle on one corner of the new microprocessor is the microprocessor orientation indicator.
2. Connect a new keyboard or mouse to one of the USB connectors on the computer. Depending on where you want to connect the new keyboard or mouse, see “Locating connectors, controls, and indicators on the front of your computer” on page 9 or “Locating connectors on the rear of your computer” on page 10. Figure 73.
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3. Position the computer cover on the chassis and then push the cover to the rear of the computer until it snaps into position. Figure 74. Installing the computer cover Chapter 5 Installing or replacing hardware...
7. To update your configuration, refer to Chapter 7 “Using the Setup Utility program” on page 87. 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.
• Power-On Password • 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.
Note: The USB 2.0 connector (USB port 3) on the rear of your computer supports the smart power on feature. If you connect a Lenovo-recommended USB 1.1 keyboard to this connector, you can power on the computer or wake it up from S4 hibernation mode by pressing Alt+P on the keyboard. Ensure that you use a Lenovo-recommended keyboard that supports the smart power on feature.
• Select ATA Drive Setup to enable or disable an internal or external SATA device. 4. Select the desired settings and press Enter. 5. Press F10 to save changes and exit the Setup Utility program. See “Exiting the Setup Utility program” on page 92.
• Pressing the power switch • Enabling the wake up on alarm feature The wake up on alarm feature enables your computer to wake up at a set time. To enable the wake up on alarm feature, do the following: 1.
After enabling the ICE thermal alert function, when critical thermal situations occur, such as malfunctioning fans, abnormally high temperature, and poor cooling performances, an alert log will be written into the Windows system log. The alert log can help you identify the thermal problems. To configure the ICE thermal alert function, do the following: 1.
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.
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. Symptom...
See Chapter 11 “Getting information, help, and service” on page 117 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 117 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 117.
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 117.
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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 117.
• 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 117.
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See “Enabling or disabling a device” on page 89. 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 117.
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 117.
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 109 • “The adapter stops working for no apparent reason” on page 109 • “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 117.
• 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 117.
117. For step-by-step instructions on installing memory, see “Installing or replacing a memory module” on page 55. 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 117.
• 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 117.
• 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 M73 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 Vista are trademarks of the Microsoft group of companies. Intel, Intel Core, Celeron, and Pentium are trademarks of Intel Corporation in the U.S. and/or other countries.
• 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/support and click User Guides & Manuals.
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 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.
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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 C. 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”).
ENERGY STAR program requirement for computers at the time of manufacture: 10AX, and 10AY. For more information about ENERGY STAR ratings for Lenovo computers, go to http://www.lenovo.com.