Lenovo ThinkCentre M91 (English) User Guide

Lenovo ThinkCentre M91 Manual

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  • Lenovo ThinkCentre M91 | (English) User Guide - Page 1
    ThinkCentre User Guide Machine Types: 4466, 4471, 4474, 4477, 4480, 4485, 4496, 4498, 4503, 4512, 4514, 4518, 4554, 7005, 7023, 7033, 7035, 7072, 7079, and 7177
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    ThinkCentre User Guide Machine Types: 4466, 4471, 4474, 4477, 4480, 4485, 4496, 4498, 4503, 4512, 4514, 4518, 4554, 7005, 7023, 7033, 7035, 7072, 7079, and 7177
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    it supports, be sure to read and understand the "Important safety information" on page vii and Appendix A "Notices" on page 117. Fourth Edition (June 2012) © Copyright Lenovo 2011, 2012. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration
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    . . . vii Service and upgrades vii Static electricity prevention vii Power cords and power adapters viii Extension cords and Specifications 4 Software overview 5 Software provided by Lenovo 5 Adobe Reader 7 Antivirus software 7 Locations 7 Locating connectors on the front of your computer
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    Web site (http://www.lenovo.com) . . 114 Lenovo Support Web site 114 Help and service 114 Using the documentation and diagnostic programs 114 Calling for service 115 Using other services 115 Purchasing additional services 116 Appendix A. Notices 117 Trademarks 118 iv ThinkCentre User Guide
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    Battery recycling information for the European Union 125 Appendix D. Restriction of Hazardous Substances Directive (RoHS) . . . . 127 China RoHS 127 Turkish RoHS 127 Ukraine RoHS 127 India RoHS 128 Index 129 © Copyright Lenovo 2011, 2012 v
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    vi ThinkCentre User Guide
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    from the Lenovo® Support Web site at http://www.lenovo.com/support. The Lenovo Support Web site also provides the ThinkCentre Safety and Warranty Guide and this ThinkCentre User Guide in additional languages. Service and upgrades Do not attempt to service a product yourself unless instructed to do
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    computer, take the following precautions to avoid static-electricity damage: • Limit your movement. Movement can cause static electricity to build up around you. • Always handle components carefully. Handle adapters, memory loads, power requirements, and input ratings. viii ThinkCentre User Guide
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    USB) and 1394 cables while the computer power is on; otherwise, you might damage your computer not leave your computer, power adapter, or accessories in desktop computer for dust accumulation at least once every three months. Before inspecting your computer, turn off the power and unplug the computer
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    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 wet locations unless the jack is specifically designed for wet locations. • Never ThinkCentre User Guide
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    is installed, note the following handling instructions. CAUTION: Use of controls or serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician. Cleaning and maintenance Keep your computer and workspace clean. Shut down the computer
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    xii ThinkCentre User Guide
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    (internal cache size varies by model type): • Intel® Core™ i3 microprocessor • Intel Core i5 microprocessor • Intel Core i7 microprocessor • Intel Celeron® microprocessor • Intel Pentium® microprocessor Memory Your computer supports up to four double data rate 3 unbuffered dual inline
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    defines data structures and access methods in a BIOS that allows a user or application to store and retrieve information specific about the computer in question. • Wake on LAN Wake on LAN is an Ethernet computer networking standard that allows a computer to be turned on or woken up by a network
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    disable USB connectors individually • Keyboard with fingerprint reader (shipped with some models) • Power-on password (POP), administrator password, and hard disk drive password to deter unauthorized use of your computer • Startup sequence control • Startup without keyboard or mouse • Support for
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    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. 4 ThinkCentre User Guide
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    reduce the cost associated with maintaining your computer. Software programs provided with your computer might vary depending on your computer model type and preinstalled operating system. Lenovo ThinkVantage Tools The Lenovo ThinkVantage® Tools program guides you to a host of information sources
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    Solution Center program enables you to troubleshoot and resolve computer problems. It combines diagnostic tests, system information collection, security status, and support information, along with hints and tips for maximum system performance. See "Lenovo Solution Center" on page 111 for detailed
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    , device drivers, BIOS updates, and other third party applications). Adobe Reader The Adobe Reader program is a tool used to view, print, and search PDF documents. Antivirus software Your computer comes with antivirus software that you can use to detect and eliminate viruses. Lenovo provides
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    on the rear of your computer Figure 2 "Rear connector locations" on page 9 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. 8 ThinkCentre User Guide
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    x16 graphics card slot 10 PCI Express x1 card slot 11 PCI card slots USB connectors (2) 12 Optional serial port (serial port 2) 13 Cable lock slots (2) Used to attach an Ethernet cable for a local area network (LAN). Note: To operate the computer within FCC Class B limits, use a Category 5 Ethernet
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    , such as a USB keyboard, a USB mouse, a USB scanner or a USB printer. If you have more than eight USB devices, you can purchase a USB hub, which you can use to connect additional USB devices. Used to attach a VGA monitor or other devices that use a VGA monitor connector. 10 ThinkCentre User Guide
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    of the various components in your computer. To open the computer cover, see "Opening the computer cover" on page 30. Figure 3. Component locations 1 Heat sink and fan assembly 2 Power supply assembly 3 Memory module 4 Optical drive 5 Front audio and USB assembly 6 Front bezel 7 System fan assembly
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    Memory slot 2 (DIMM2) 6 Memory slot 3 (DIMM3) 7 Memory slot 4 (DIMM4) 8 Thermal sensor connector 15 eSATA connector 16 Power fan connector 17 Front panel connector (for connecting power switch and LED indicators) 18 Front USB connector 1 (for connecting USB mouse connector 12 ThinkCentre User Guide
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    hardware" on page 29 for instructions on how to install or replace internal drives for your computer. Figure 5 "Drive bay locations computer. When you contact Lenovo for help, the machine type and model information helps support technicians to identify your computer and provide faster service
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    The following is a sample of the machine type and model label. Figure 6. Machine type and model label 14 ThinkCentre User Guide
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    help you optimize the use of your computer. Can I get my user guide in another language? The user guide is available in various languages on the Lenovo Support Web site at: http://www.lenovo.com/ThinkCentreUserGuides Where are my recovery discs? Lenovo provides a program that enables you to create
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    of the PCI card slots. About your computer audio If a factory-installed, high-performance audio adapter is installed in your computer, the system-board audio connectors on the rear of the computer are typically disabled; use the connectors provided on the audio adapter. 16 ThinkCentre User Guide
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    (speakers that do not require an ac power source). The audio adapter provides you with the ability to 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. From the Windows desktop
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    snap hub, support the tray with computer comes with a recordable DVD drive, you can use the drive to record CDs or DVDs. To record a CD or DVD, do the following: 1. Click Start ➙ All Programs ➙ Corel DVD MovieFactory Lenovo Edition. 2. Follow the instructions on the screen. 18 ThinkCentre User Guide
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    For detailed information about using the Corel DVD MovieFactory program, see the help system for the program. You can also use Windows Media Player to record CDs and data DVDs. For more information, see "Help and Support" on page 113. Chapter 2. Using your computer 19
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    20 ThinkCentre User Guide
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    World Wide Web: http://www.lenovo.com/healthycomputing Arranging your workspace To get the most from your computer, arrange both the equipment you The backrest and seat of your chair should adjust independently and provide good support. The seat should have a curved front to relieve pressure on the
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    the computer power cord directly into an electrical outlet. • Keep power cords and cables neatly routed away from walkways and other areas where they might get kicked accidentally. For more information about power cords, see "Power cords and power adapters" on page viii. 22 ThinkCentre User Guide
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    entered into a database, which enables Lenovo to contact you in case of a recall or other severe problem. In addition, some locations offer extended privileges and services to registered users. Moving your computer to another country or region When you move your computer to another country or region
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    For power cord information and part numbers, go to: http://www.lenovo.com/powercordnotice 24 ThinkCentre User Guide
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    computer from logging in to the operating system when the computer computer cover is not properly installed or closed when you turn on the computer install or close your computer cover. See "Completing devices and USB connectors For more your computer, the start the computer, log on Your computer is
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    lenovo.com/support Figure 7. Integrated cable lock Using passwords You can set a variety of passwords through the Microsoft Windows operating system and through the BIOS of your computer to help deter unauthorized use of your computer. BIOS "Hard Disk Password" on page 80. 26 ThinkCentre User Guide
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    see "Help and Support" on page 113. Setting up the integrated Security Chip Depending on the model of your computer, the keyboard data encryption to protect against unauthorized access to confidential material located on your PC. • Key encryption to help ensure privacy. Note: Key encryption uses
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    from the Lenovo Web site. To download the Client Security Solution program, go to http://www.lenovo.com/support. Then follow the instructions on new viruses. For more information about how to use your antivirus software, refer to the help system of your antivirus software. 28 ThinkCentre User Guide
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    7 and "Locating connectors on the rear of your computer" on page 8 to identify the required connector. Then, use the instructions that come with the option to help you make the connection and install any software or device drivers that are required for the option. © Copyright Lenovo 2011, 2012 29
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    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. Open the computer cover. See "Opening the computer cover" on page 30. 30 ThinkCentre User Guide
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    3. Remove the front bezel by releasing the three plastic tabs on the top of the front bezel and pivoting the front bezel outward to remove it from the computer. Figure 9. Removing the front bezel Chapter 5. Installing or replacing hardware 31
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    drives Attention: Do not open your computer or attempt any repair before reading and understanding the "Important safety information" on page vii. This section provides instructions on how to access the system hard disk drive. See "Replacing the hard disk drive" on page 50. 32 ThinkCentre User Guide
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    information" on page vii. This section provides instructions on how to install or replace a PCI card. Your computer has two standard PCI card slots, one PCI alternate moving each side of the card a small amount until it is removed from the card slot. Chapter 5. Installing or replacing hardware 33
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    Grasp the card and gently pull it out of the slot. 5. Remove the new PCI card from its static-protective package. 6. Install the new card into the appropriate card slot on the system board and rotate the card replacement, go to "Completing the parts replacement" on page 69. 34 ThinkCentre User Guide
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    or attempt any repair before reading and understanding the "Important safety information" on page vii. This section provides instructions on how to install or replace a memory module. Your computer has four slots for installing or replacing DDR3 UDIMMs that provide up to a maximum of 32 GB system
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    safety information" on page vii. 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. 36 ThinkCentre User Guide
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    turn on the computer. Refer to the "Lithium battery notice" in the ThinkCentre Safety and Warranty Guide for information about Figure 16. Removing the old battery 5. Install a new battery. Figure 17. Installing a new battery 6. Close the computer cover and connect the cables. See "Completing the
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    instructions on how to replace the heat sink and fan assembly. CAUTION: The heat sink and fan assembly might be very hot. Turn off the computer and wait three to five minutes to let the computer cool before removing the computer with the fan duct off the system board. Notes: 38 ThinkCentre User Guide
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    fan assembly. Figure 19. Removing the heat sink fan duct 7. Place the new heat sink and fan assembly on the system board so that the four screws system board. 8. Follow this sequence to install the four screws to secure the new heat sink and fan assembly, as shown in Figure 18 "Screws that secure the
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    provides instructions on how to replace the power supply assembly. Although there are no moving parts in your computer after the power cord has been disconnected, the following warnings are required for your safety and proper Underwriters Laboratories (UL) certification. 40 ThinkCentre User Guide
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    inside these components. If you suspect a problem with one of these parts, contact a service technician. To replace the power supply assembly, 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
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    5. Remove the two screws that secure the heat sink fan duct, and then lift the heat sink fan duct out of the chassis. Figure 21. Removing the heat sink fan duct 42 ThinkCentre User Guide
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    6. Pivot the optical drive upward and disconnect the power supply assembly cables from all drives and from power connectors 1 and 2 on the system board. Figure 22. Power connectors on the system board Note: You might also need to release the power supply assembly cables from some cable clips or ties
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    secure the new power supply assembly in place. Note: Use only screws provided by Lenovo. Figure 24. Installing the power supply assembly 10. Connect the new power supply assembly cables to all drives and the system board. See "Locating parts on the system board" on page 12. 44 ThinkCentre User Guide
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    " on page 69. Replacing the microprocessor Attention: Do not open your computer or attempt any repair before reading and understanding the "Important safety information" on page vii. This section provides instructions on how to replace the microprocessor. CAUTION: The heat sink and microprocessor
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    grease on the bottom of the heat sink and fan assembly get in contact with anything. 5. Lift the small handle 1 and open the retainer 2 to access the microprocessor 3 . Figure 26. Accessing the microprocessor 6. and socket might look different from the one illustrated. 46 ThinkCentre User Guide
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    . 8. Remove the protective cover that protects the gold contacts of the new microprocessor. 9. Hold the new microprocessor by its sides and align the small triangle on one corner of the new microprocessor with the corresponding small triangle on one corner of the microprocessor socket. 10. Lower the
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    : Do not open your computer or attempt any repair before reading and understanding the "Important safety information" on page vii. This section provides instructions on how to install the 2.5-inch solid state drive. To install the solid state drive, do the following: 48 ThinkCentre User Guide
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    . Installing the solid state drive with the storage converter into the hard disk drive bracket 3. Connect the signal cable and the power cable to the new solid state drive. 4. Install the solid state drive into the desired hard disk drive bay. See "Replacing the hard disk drive" on page 50. Chapter
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    computer cover" on page 30. 3. Locate the hard disk drive. See "Locating components" on page 11. 4. Pull on the handle of the hard disk drive bracket as shown and then lift the hard disk drive bracket up from the optical drive bay. Figure 32. Removing the hard disk drive 50 ThinkCentre User Guide
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    retaining clips as shown to remove the hard disk drive from the bracket. Figure 33. Removing the hard disk drive from the bracket 7. To install a new hard disk drive into the bracket, flex the bracket and align pin 1 , pin 2 , pin 4 , and pin 5 on the bracket with the corresponding holes in the
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    cords from electrical outlets. 2. Open the computer cover. See "Opening the computer cover" on page 30. 3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 30. 4. Remove the hard disk drive. See "Replacing the hard disk drive" on page 50. 52 ThinkCentre User Guide
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    5. Press the blue retaining clip to pivot the optical drive bay upward. Figure 35. Pivoting the optical drive bay 6. Disconnect the signal cable and the power cable from the rear of the optical drive. Chapter 5. Installing or replacing hardware 53
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    7. Press the optical drive lock 1 and slide the optical drive out of the rear of the drive bay assembly. Figure 36. Removing the old optical drive 8. Install the optical drive retainer on the side of the new optical drive. Figure 37. Installing the optical drive retainer 54 ThinkCentre User Guide
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    your computer or attempt any repair before reading and understanding the "Important safety information" on page vii. This section provides instructions on how to install or replace the card reader. Note: The card reader is only available in some models. For new
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    13. Note: You might have to remove the metal cover of the card reader drive bay. 5. Install the new card reader into the card reader bracket. Then install the two screws to secure the card reader to the bracket. hole in the chassis. Figure 39. Installing the card reader 56 ThinkCentre User Guide
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    40. Installing the screw that secures the card reader 8. Pivot the optical drive bay upward and connect the card reader cable to one of the USB connectors on the system board. See "Locating parts on the system board" on page 12. 9. Reinstall the front bezel. See "Removing and reinstalling the front
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    the card reader 7. Remove the two screws that secure the card reader to its bracket. Then remove the failing card reader from the bracket. 8. Install a new card reader into the bracket and install the two screws to secure the card reader to the bracket. 58 ThinkCentre User Guide
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    9. Install the card reader bracket to the chassis. Then push the bracket to the left to align the screw hole in the bracket with the corresponding hole in the chassis. Figure 43. Installing the card reader Chapter 5. Installing or replacing hardware 59
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    reader cable to one of the USB connectors on the system board. computer cover. See "Opening the computer cover" on page 30. 3. Remove the hard disk drive. See "Replacing the hard disk drive" on page 50. 4. Locate the system fan assembly. See "Locating components" on page 11. 60 ThinkCentre User Guide
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    chassis, and then push the rubber mounts through the holes. Then, carefully pull on the tips of the rubber mounts from the bottom until the new system fan assembly is secured in place. Figure 46. Installing the system fan assembly Chapter 5. Installing or replacing hardware 61
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    69. Replacing the front audio and USB assembly Attention: Do not open your computer or attempt any repair before reading and understanding the "Important safety information" on page vii. This section provides instructions on how to replace the front audio and USB assembly. To replace the front audio
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    " on page 69. Replacing the internal speaker Attention: Do not open your computer or attempt any repair before reading and understanding the "Important safety information" on page vii. This section provides instructions on how to replace the internal speaker. Note: The internal speaker is only
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    . 5. Disconnect the internal speaker cable from the internal speaker connector on the system board. See "Locating parts on the system board" on page 12. 64 ThinkCentre User Guide
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    6. Remove the screw that secures the cover presence switch (intrusion switch) and remove the cover presence switch from the chassis. Figure 49. Removing the cover presence switch Chapter 5. Installing or replacing hardware 65
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    on the chassis. Then, slide the internal speaker to the right to remove it from the chassis. Figure 50. Removing the internal speaker 8. Align the new internal speaker with the two metal clips on the chassis, and then slide the speaker as shown until it snaps into position. 66
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    Figure 51. Installing the new internal speaker 9. Reconnect the internal speaker cable to the system board. See "Locating parts on the system board" on page 12. 10. Position the cover
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    reading and understanding the "Important safety information" on page vii. This section provides instructions on how to replace the keyboard or mouse. To replace the keyboard or mouse, do the following: 1. Disconnect the old keyboard cable or mouse cable from the computer. 68 ThinkCentre User Guide
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    few days after the CRU arrives. Obtaining device drivers You can obtain device drivers for operating systems that are not preinstalled at http://www.lenovo.com/support. Installation instructions are provided in readme files with the device-driver files. Chapter 5. Installing or replacing hardware 69
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    70 ThinkCentre User Guide
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    and Recovery workspace • Creating and using a rescue medium • Installing or reinstalling device drivers • Solving recovery problems Notes: 1. The recovery information in this chapter only applies to the computers that have the Rescue and Recovery program or the Product Recovery program installed. If
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    Lenovo ThinkVantage Tools ➙ Factory Recovery Disks. Then, follow the instructions boot medium (memory key or other USB storage device) to the computer, or instructions on how to perform a backup operation using the Rescue and Recovery program on different operating systems. 72 ThinkCentre User Guide
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    From the Windows desktop, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ instructions on the screen to complete the backup operation. Performing a recovery operation This section provides instructions drive or other recordable media, such as a USB device or a disc. This solution is available
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    , 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. 2. In the Rescue and Recovery main window, click the Launch advanced Rescue and Recovery arrow. 74 ThinkCentre User Guide
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    reinstall selected factory-installed applications and device drivers. 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
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    This section provides instructions on how to reinstall preinstalled device drivers. Attention: When you reinstall device drivers, you are changing the current configuration of your computer. Reinstall device drivers only when it is necessary to correct a problem with your computer. To reinstall the
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    only when it is necessary to correct a problem with your computer. For more information about reinstalling device drivers that came with your computer, see "Reinstalling preinstalled applications and device drivers" on page 75. Solving recovery problems If you are unable to access the Rescue and
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    78 ThinkCentre User Guide
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    the configuration settings of your computer, regardless of which operating system computer or the memory module size has decreased, an error message will be displayed when you start the computer instructions on the screen. You can use either the keyboard or the mouse to navigate through BIOS menu
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    hard disk drive is protected even if the hard disk drive is removed from one computer and installed in another. • If the Hard Disk Password is forgotten, there is Disk Password. 4. Follow the instructions on the right side of the screen to set, change, or delete a password. 80 ThinkCentre User Guide
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    passwords (clearing CMOS) This section provides instructions on how to erase lost or forgotten position (pin 1 and pin 2). 9. Close the computer cover and connect the power cord. See "Completing the one of the following: • Select USB Setup to enable or disable a USB device. • Select ATA Drive Setup
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    Lan and press Enter. 7. Select Disabled and press Enter. 8. Press F10 to save changes and exit the Setup Utility program. Press Enter when prompted to confirm the exit. Note: When ErP compliance mode is enabled, you can wake up your computer by doing one of the following: 82 ThinkCentre User Guide
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    Up on Alarm and press Enter. Then follow the instructions on the screen. 4. Press F10 to save changes feature The after power loss feature enables your computer to wake up when the power supply resumes of the following: • If you want to save the new settings, press F10 to save and exit the Setup
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    84 ThinkCentre User Guide
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    Updating (flashing) the BIOS from a disc This section provides instructions on how to update (flash) the BIOS from a disc. lenovo.com/support To update (flash) the BIOS from a disc, do the following: 1. Turn off your computer. 2. Repeatedly press and release the F12 key when turning on the computer
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    do the following: 1. Go to http://www.lenovo.com/support. 2. Do the following to locate the downloadable files for your machine type: a. In the Enter a product number field, type your machine type and click Go. b. Click Downloads and drivers. c. Select BIOS from the Refine results drop-down list box
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    the Windows Web site have not been tested by Lenovo and using them might cause unexpected problems. Obtain updated device drivers from Lenovo. 1. Go to http://www.lenovo.com/support. 2. Click Downloads and drivers. 3. Select the machine type of your computer from the machine type list. 4. Click the
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    can contain applications, device drivers, BIOS flashes, or software updates. When the System Update program connects to the Lenovo Support Web site, the System Update program automatically recognizes the machine type and model of your computer, the installed operating system, and the language of the
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    or the keyboard. Optical mouse This section provides instructions on how to clean an optical mouse. An optical processor (DSP) to determine changes in the mouse position. 5. Reconnect the mouse cable to the computer. 6. Turn your computer back on. Display screen Dust buildup compounds problems
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    , updating software, or installing new software. • Keep your computer software up-to-date. See "Keeping your computer current " on page 87 for more information. • Keep a log book. Entries might include major software or hardware changes, device-driver updates, intermittent problems and what you did
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 105
    3. Turn off the computer and all attached devices. Your hard disk drive automatically parks from the outlets first, and then disconnect the other ends from the computer. 6. Note where any remaining cables are attached to the computer; then, remove them. 7. If you saved the original shipping cartons
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    92 ThinkCentre User Guide
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    to help you troubleshoot your computer problems. 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 and Warranty Guide that comes with your computer or go to the Lenovo Support Web site at
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 108
    enabled in the BIOS settings of your computer. For more information about accessing and changing the BIOS settings, refer to your Chapter 7 "Using the Setup Utility program" on page 79. 4. Go to the "Troubleshooting" on page 95 and follow the instructions for the type of problem you are experiencing
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 109
    service" on page 113 for more information. Troubleshooting Use the troubleshooting information to find solutions to problems that have definite symptoms. If the symptom your computer is experiencing occurred immediately after you installed a new hardware option or new ac electrical outlet. • If
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 110
    connector on the computer. Most speaker an audio adapter is installed in one problem, run the diagnostic programs (see "Diagnostic programs" on page 111 for instructions). If you need technical assistance, see Chapter 11 "Getting information, help, and service" on page 113. 96 ThinkCentre User Guide
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    your computer" on problem, run the diagnostic programs (see "Diagnostic programs" on page 111 for instructions). If you need technical assistance, see Chapter 11 "Getting information, help, and service" on page 113. DVD problems Select your symptom from the following list: Chapter 10. Troubleshooting
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 112
    instructions). If you need technical assistance, see Chapter 11 "Getting information, help, and service" on page 113. Playback is very slow or choppy Symptom: Playback is very slow or choppy. Actions: • Disable any background programs, such as AntiVirus or Desktop Themes. 98 ThinkCentre User Guide
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 113
    page 111 for instructions). If you need technical assistance, see Chapter 11 "Getting information, help, and service" on page 113. Intermittent problems Symptom: A problem occurs only is securely connected to the correct connector on the computer. Chapter 10. Troubleshooting and diagnostics 99
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 114
    and Sound. 3. Click Devices and Printers. 4. Double-click USB Enhanced Performance Keyboard. The USB Enhanced Performance Keyboard Customization program starts. If these actions do not correct the problem, have the computer and keyboard serviced. See Chapter 11 "Getting information, help, and
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 115
    solve the problem. If these actions do not correct the problem, run the diagnostic programs (see "Diagnostic programs" on page 111 for instructions). If you need technical assistance, see Chapter 11 "Getting information, help, and service" on page 113. Chapter 10. Troubleshooting and diagnostics
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 116
    program to see if device drivers are required. If these actions do not correct the problem, run the diagnostic programs (see "Diagnostic programs" on page 111 for instructions). If you need technical assistance, see Chapter 11 "Getting information, help, and service" on page 113. The image
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    use the correct driver or the driver is not enabled. To update the driver, right-click the highlighted adapter. 5. Click Update Driver Software, and then follow the instructions on the screen. • The switch port and the adapter have the same duplex setting. Chapter 10. Troubleshooting and diagnostics
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 118
    networking card. Actions: • Make sure that your wireless LAN driver is the latest version. Check the Web site and verify the driver version supported by Access Connections is the latest documented in the readme file. • Make sure that your computer is within range of a wireless access point. • Make
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    is not supported on this computer. Remove it. Note: Some computer models do not have a wireless WAN. Bluetooth problems For Bluetooth problems, select your Option problems Use this information to diagnose problems with Lenovo hardware options that do not have their own troubleshooting information.
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 120
    the option and any required device drivers are installed correctly. If these actions do not correct the problem, run the diagnostic programs (see "Diagnostic programs" on page 111 for instructions). If you need technical assistance, see Chapter 11 "Getting information, help, and service" on page 113
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 121
    A list of optional Windows components is displayed. Follow the instructions on the screen. - 1. Click Start ➙ Computer. 2. Right-click your C drive entry and then click of optional Windows components is displayed. Follow the instructions on the screen. Chapter 10. Troubleshooting and diagnostics 107
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    ➙ Computer. memory module" on page 35. If these actions do not correct the problem, run the diagnostic programs (see "Diagnostic programs" on page 111 for instructions). If you need technical assistance, see Chapter 11 "Getting information, help, and service" on page 113. 108 ThinkCentre User Guide
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    USB connector on the computer. Note: Non-IEEE-approved printer signal cables might cause unpredictable problems. 1. Any device drivers problem, have the computer serviced. See Chapter 11 "Getting information, help, and service" on page 113. Serial port problems Use this information to troubleshoot
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    switch, make sure it is in the Online position. • If the USB device is a printer, make sure paper is loaded correctly. • Make sure any device drivers or other software supplied with the USB device is correctly installed. Refer to the documentation for the USB device. 110 ThinkCentre User Guide
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    programs. You will need the log files when you speak to a Lenovo technical support representative. Lenovo Solution Center The Lenovo Solution Center program enables you to troubleshoot and resolve computer problems. It combines diagnostic tests, system information collection, security status, and
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    computer problems, create bootable diagnostic media, update system drivers, and view system information. • To run the Lenovo ThinkVantage Toolbox program on the Windows 7 operating system, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ System Health and Diagnostics. Follow the instructions
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 127
    software provided by Lenovo. Help and Support The Windows Help and Support information system guides you to various help and support information from Lenovo and Microsoft, such as updating drivers, accessing ThinkVantage Technologies, and accessing user manuals. © Copyright Lenovo 2011, 2012 113
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 128
    latest device drivers and software updates for your computer model. • Access the online manuals for your products. • Access the Lenovo Limited Warranty. • Access troubleshooting and support information for your computer model and other supported products. • Find the service and support phone numbers
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 129
    your proof of purchase to obtain warranty service. For a list of the Lenovo Support phone numbers for your country or region, go to http://www.lenovo.com/support/phone or refer to the ThinkCentre Safety and Warranty Guide that comes with your computer. Note: Phone numbers are subject to change
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 130
    might apply at the time of service. To determine whether your computer is eligible for International Warranty Service and to view a list of the countries where service is available, go to http://www.lenovo.com/support, click Warranty, and follow the instructions on the screen. For technical
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 131
    other product, program, or service. Lenovo may have patents or pending in new editions of the publication. Lenovo may support applications where malfunction may result in injury or death to persons. The information contained in this document does not affect or change Lenovo product specifications
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 132
    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 United
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 133
    emissions notices The following information refers to Lenovo personal computer machine types 4466, 4471, 4474, and used in accordance with the instructions, may cause harmful interference to radio Consult an authorized dealer or service representative for help. Lenovo is not responsible for any radio
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 134
    the laws of the Member States relating to electromagnetic compatibility. Lenovo cannot accept responsibility for any failure to satisfy the protection requirements ätserklärung nach Paragraf 5 des EMVG ist die Lenovo (Deutschland) GmbH, Gropiusplatz 10, D-70563 Stuttgart. 120 ThinkCentre User Guide
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 135
    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 and Manuals
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 136
    122 ThinkCentre User Guide
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 137
    Appendix C. WEEE and recycling information Important WEEE Information The WEEE marking on Lenovo products applies to countries with WEEE and e-waste regulations (for example, European Directive 2002/96/EC, India E-Waste Management & Handling Rules, 2011). Appliances are labeled in accordance with
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 138
    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. If you use a Lenovo computer
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 139
    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 125
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    126 ThinkCentre User Guide
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 141
    Appendix D. Restriction of Hazardous Substances Directive (RoHS) China RoHS Turkish RoHS The Lenovo product meets the requirements of the Republic of Turkey Directive on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment (
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 142
    India RoHS RoHS compliant as per E-Waste (Management & Handling) Rules, 2011. 128 ThinkCentre User Guide
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 143
    support center 115 D deleting a password 80 device drivers 69 devices, handling static-sensitive 29 diagnostics programs, using 114 diagnostics, troubleshooting 93 DisplayPort connector 9 documentation, using 114 drivers, device 69 drives © Copyright Lenovo 2011, 2012 bays 13 specifications
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 144
    supply assembly replacing 40 130 ThinkCentre User Guide power-on self-test (POST) 85 Power-On, Password 80 productivity center, ThinkVantage 113 programs, updating system 85 purchasing additional services 116 R rear connectors 8 recovering from a POST/BIOS update failure 86 software 71 recovery
  • Lenovo ThinkCentre M91 | (English) User Guide - Page 145
    center 113 trademarks 118 troubleshooting, basic 93 troubleshooting, diagnostics 93 U updating (flashing) the BIOS 85 system programs 85 updating (flashing) the BIOS 86 USB connector 10 using a rescue medium, creating and 74 diagnostic programs 114 documentation 114 other services 115 passwords 79
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    132 ThinkCentre User Guide
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  • Lenovo ThinkCentre M91 | (English) User Guide - Page 148
    Part Number: 0A23255 Printed in USA (1P) P/N: 0A23255 *1P0A23255*
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ThinkCentre
User Guide
Machine Types:
4466, 4471, 4474, 4477, 4480, 4485, 4496, 4498,
4503, 4512, 4514, 4518, 4554, 7005, 7023, 7033, 7035, 7072, 7079,
and 7177