Lenovo THINKCENTRE M79 User Manual
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Lenovo THINKCENTRE M79 User Manual

Lenovo THINKCENTRE M79 User Manual

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Download this manual See also: Hardware Maintenance Manual, User Manual
ThinkCentre M79
User Guide
Machine Types: 10CN, 10CQ, 10CR, 10CS, 10J5, 10J6, 10J7, and
10J8

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Summary of Contents for Lenovo THINKCENTRE M79

  • Page 1 ThinkCentre M79 User Guide Machine Types: 10CN, 10CQ, 10CR, 10CS, 10J5, 10J6, 10J7, and 10J8...
  • Page 2 Important safety information” on page v and Appendix F “Notices” on page 127. Third Edition (May 2016) © Copyright Lenovo 2014, 2016. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration “GSA”...

  • Page 3: Table Of Contents

    Accessing a program on your computer . . . Enabling ErP LPS compliance mode ..An introduction to Lenovo programs ..ICE performance mode ..Chapter 2. Using your computer . . . 17 ICE thermal alert .
  • Page 4 Recovery information for the Windows 7 operating Lenovo Web site ... . system ....
  • Page 5 India RoHS ....China RoHS....Taiwan RoHS ....© Copyright Lenovo 2014, 2016...
  • Page 6 ThinkCentre M79 User Guide...

  • Page 7: Read This First: Important Safety Information

    ® Format (PDF) version from the Lenovo Support Web site at http://www.lenovo.com/UserManuals. The Lenovo Support Web site also provides the Safety, Warranty, and Setup Guide and this User Guide in additional languages. Service and upgrades Do not attempt to service a product yourself unless instructed to do so by the Customer Support Center or your documentation.

  • Page 8: Static Electricity Prevention

    Do not use any power cords where the electrical contacts on either end show signs of corrosion or overheating or where the power cord appears to have been damaged in any way. ThinkCentre M79 User Guide...

  • Page 9: Extension Cords And Related Devices

    • Ventilation slots, fans, and heat sinks are provided with the product for safety, comfort, and reliable operation. These features might inadvertently become blocked by placing the product on a bed, sofa, carpet, or other flexible surface. Never block, cover, or disable these features. © Copyright Lenovo 2014, 2016...

  • Page 10: Operating Environment

    • Do not remove the covers. Removing the covers of the laser product could result in exposure to hazardous laser radiation. There are no serviceable parts inside the device. • Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure. viii ThinkCentre M79 User Guide...

  • Page 11: Power Supply Statement

    Do not spray any liquid detergent directly on the computer or use any detergent containing flammable material to clean the computer. Spray the detergent on a soft cloth and then wipe the computer surfaces. © Copyright Lenovo 2014, 2016...
  • Page 12 ThinkCentre M79 User Guide...

  • Page 13: Chapter 1. Product Overview

    • Locations of parts on the system board • Locations of internal drives • Computer features • Software programs provided by Lenovo Locations This section provides the following topics: • “Locating connectors, controls, and indicators on the front of your computer” on page 2 •...

  • Page 14: Locating Connectors, Controls, And Indicators On The Front Of Your Computer

    The following illustration shows the locations of the connectors, controls, and indicators on the front of your computer. Figure 1. Front connector, control, and indicator locations Hard disk drive activity indicator Power indicator Power button Optical drive eject/close button USB 2.0 connector Microphone connector Headphone connector USB 2.0 connector ThinkCentre M79 User Guide...

  • Page 15: Locating Connectors On The Rear Of Your Computer

    Locating connectors on the rear of your computer The following illustration 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.
  • Page 16 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. VGA connector Used to attach a VGA monitor or other devices that use a Video Graphics Array (VGA) connector. ThinkCentre M79 User Guide...

  • Page 17: Locating Components

    Locating components The following illustration shows the locations of the various components in your computer. To remove the computer cover, see “Removing the computer cover” on page 69. Figure 3. Component locations Microprocessor Heat sink and fan assembly Memory modules Front bezel Optical drive Slim card reader (available on some models)

  • Page 18: Locating Parts On The System Board

    Clear CMOS (Complementary Metal Oxide Semiconductor) additional USB device) /Recovery jumper Serial connector Battery Front audio connector PCI card slot PCI Express x1 card slots (2) PCI Express x16 graphics card slot System fan connector DisplayPort connector Microprocessor ThinkCentre M79 User Guide...

  • Page 19: Locating Internal Drives

    Locating internal drives Internal drives are devices that your computer uses to read and store data. You can add drives to your computer to increase storage capacity and enable your computer to read other types of media. Internal drives are installed in bays. When you install or replace an internal drive, note the type and size of the drive that each bay supports and correctly connect the required cables.

  • Page 20: Locating The Machine Type And Model Label

    Locating the machine type and model label The machine type and model label identifies your computer. When you contact Lenovo for help, the machine type and model information helps support technicians to identify your computer and provide faster service. The machine type and model label is attached on the bottom of your computer as shown.
  • Page 21 • On the Microsoft Windows 8.1 operating system, go to the desktop and move your pointer to the top-right or bottom-right corner of the screen to display the charms. Then click Settings ➙ PC info to view the information. • On the Microsoft Windows 10 operating system, click the Start button to open the Start menu. Then, click Settings ➙...
  • Page 22 Wake on LAN is an Ethernet computer networking standard that allows a computer to be turned on or woken up by a network message. The message is usually sent by a program running on another computer on the same local area network. ThinkCentre M79 User Guide...
  • Page 23 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.

  • Page 24: Specifications

    Accessing a program on your computer Note: For Windows 7, some of the Lenovo programs might be ready to be installed, so you need to install them manually. Then, you can access and use these programs. To install a program that is ready to be ®...

  • Page 25: An Introduction To Lenovo Programs

    The Lenovo PowerENGAGE program enables you to register your computer with Lenovo. – Message Center Plus The Message Center Plus program automatically displays messages informing you about important notices from Lenovo, such as alerts on system updates and alerts on conditions that require your attention. Chapter 1...
  • Page 26 BIOS updates. The program gathers information from the Lenovo Help Center about new updates for your computer, then sorts and displays the updates for download and installation. You have complete control of which updates to download and install.
  • Page 27 The SHAREit or Lenovo SHAREit program provides a quick and easy way to share files and folders among computers, smartphones, tablets, or smart TVs with the Android or the Windows operating system installed. SHAREit or Lenovo SHAREit uses any type of network or even no network at all to share files and folders.
  • Page 28 ThinkCentre M79 User Guide...

  • Page 29: Chapter 2. Using Your Computer

    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. Secondary mouse button Use this button to display a menu for the active program, icon, or object. © Copyright Lenovo 2014, 2016...

  • Page 30: Setting The Computer Volume

    • CD-ROM drive: Used to read CDs only. • DVD-ROM drive: Used to read DVDs and CDs. • BD-ROM drive: Used to read blu-ray discs (BDs), DVDs, and CDs. • Recordable optical drive: Used to read and record a disc. ThinkCentre M79 User Guide...

  • Page 31: Handling And Storing A Disc

    When using the optical drive, follow these guidelines: • Do not place the computer in a location where the drive is exposed to any of the following conditions: – High temperature – High humidity – Excessive dust – Excessive vibration or sudden shock –...

  • Page 32: Navigating Among Screens On The Windows 8.1 Operating System

    • Move the pointer to the extreme bottom-left corner of the screen and then move the pointer upward along the left edge of the screen. Representations of all available workspaces are displayed along the left edge of the screen. ThinkCentre M79 User Guide...

  • Page 33: Accessing Control Panel On The Windows 8.1 Operating System

    For the answers to more frequently asked questions about using your computer, go to: http://www.lenovo.com/support/faq How can I get my user guide in another language? The user guide is available in various languages at: http://www.lenovo.com/UserManuals...
  • Page 34 USB key. If your computer does not come with it, contact the Lenovo Customer Support Center to order a recovery disc set or recovery USB key. For a list of Lenovo Support phone numbers, go to http://www.lenovo.com/support/phone. If you cannot find the support telephone number for your country or region, contact your Lenovo reseller.

  • Page 35: Chapter 3. You And Your Computer

    51–61 cm (20–24 inches). Then, position the monitor so that you can view it without twisting your body. Also, position other equipment you use regularly, such as the telephone or a mouse, within easy reach. © Copyright Lenovo 2014, 2016...

  • Page 36: Glare And Lighting

    For more information about power cords, see “Power cords and power adapters” on page vi. Accessibility information Lenovo is committed to providing users who have hearing, vision, and mobility limitations with greater access to information and technology. This section provides information about the ways these users can get the most out of their computer experience.
  • Page 37 Keyboard shortcut Function Windows logo key + U Open Ease of Access Center Right Shift for eight seconds Turn on or turn off Filter Keys Shift five times Turn on or turn off Sticky Keys Num Lock for five seconds Turn on or turn off Toggle Keys Left Alt+Left Shift+Num Lock Turn on or turn off Mouse Keys...
  • Page 38 • To change the item size temporarily, use the Magnifier tool in Ease of Access Center. See “Ease of Access Center” on page 25. • To change the item size permanently, do the following: – Change the size of all the items on your screen. ThinkCentre M79 User Guide...

  • Page 39: Registering Your Computer

    Lenovo for help. In addition, some locations offer extended privileges and services to registered users. To register your computer with Lenovo, ensure that your computer is connected to the Internet. Then, go to http://www.lenovo.com/register and follow the instructions on the screen.
  • Page 40 For power cord information and part numbers, go to: http://www.lenovo.com/powercordnotice ThinkCentre M79 User Guide...

  • Page 41: Chapter 4. Security

    Locking the computer cover helps prevent unauthorized people from gaining access to the inside of your computer. Your computer comes with a padlock loop so that the computer cover cannot be removed when a padlock is installed. © Copyright Lenovo 2014, 2016...
  • Page 42 Figure 7. Installing a padlock ThinkCentre M79 User Guide...

  • Page 43: Attaching A Kensington-Style Cable Lock

    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 8.

  • Page 44: Attaching A Cable Lock

    – For Windows 7: Click the Start button to open the Start menu, and then click Control Panel ➙ User Accounts. – For Windows 8.1: Move the pointer to the top-right or bottom-right corner of the screen to display the charms. Then, click Settings ➙ Change PC settings ➙ Accounts. ThinkCentre M79 User Guide...

  • Page 45: Using Fingerprint Authentication

    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.
  • Page 46 ThinkCentre M79 User Guide...

  • Page 47: Chapter 5. Advanced Configuration

    Setup Utility program. See “Starting the Setup Utility program” on page 35. Then, follow the instructions on the screen. You can use either the keyboard or the mouse to navigate through menu choices. The keys used to perform various tasks are displayed at the bottom of each screen. © Copyright Lenovo 2014, 2016...

  • Page 48: Using Bios Passwords

    Setting, changing, and deleting a password To set, change, or delete a password, do the following: 1. Start the Setup Utility program. See “Starting the Setup Utility program” on page 35. 2. From the Setup Utility program main menu, select Security. ThinkCentre M79 User Guide...

  • Page 49: Enabling Or Disabling A Device

    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. For more information, see “Password considerations”...

  • Page 50: Selecting A Startup Device

    40. Enabling ErP LPS compliance mode Lenovo computers meet the eco-design requirements of the ErP Lot 3 regulation. For more information, go http://www.lenovo.com/ecodeclaration You can enable ErP LPS compliance mode in the Setup Utility program to reduce the consumption of electricity when your computer is off or in sleep mode.

  • Page 51: Ice Performance Mode

    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. Start the Setup Utility program. 2. From the Setup Utility program main menu, select Power ➙ Automatic Power On, and press Enter. 3.

  • Page 52: Exiting The Setup Utility Program

    Setup Utility program. Updating or recovering the BIOS Lenovo might make changes and enhancements to the BIOS. When updates are released, they are available as downloadable files on the Lenovo Web site at http://www.lenovo.com/drivers. Instructions for using the BIOS updates are available in a TXT file that is included with the update files.

  • Page 53: Updating The Bios

    To update the BIOS, do the following: 1. Go to http://www.lenovo.com/drivers. 2. Download the flash BIOS update driver for the operating system version or the ISO image version (used to create a flash update disc). Then, download the installation instructions for the flash BIOS update driver you download.
  • Page 54 ThinkCentre M79 User Guide...

  • Page 55: Chapter 6. Preventing Problems

    To get the latest system updates for your computer, ensure that your computer is connected to the Internet and do one of the following: • Use one of the following Lenovo programs to get the system updates, such as device driver updates, software updates, and BIOS updates: –...

  • Page 56: Basics

    4. Check the surface on which you are using the mouse. If you have a very intricate picture or pattern beneath the mouse, it might be difficult for the digital signal processor to determine changes in the mouse position. 5. Reconnect the mouse cable to the computer. 6. Turn your computer back on. ThinkCentre M79 User Guide...

  • Page 57: Good Maintenance Practices

    The cause of a problem might be change in hardware, change in software, or any other actions that might have taken place. A log book can help you or a Lenovo technician determine the cause of a problem. • Back up your data on the storage drive regularly. You can restore the storage drive from a backup.

  • Page 58: Moving Your Computer

    1. Back up all files and data from the hard disk drive. There are a variety of backup programs available commercially. If you use the Windows 7 operating system, Lenovo provides the Rescue and Recovery program to help you back up and restore data. See “Performing backup and recovery operations”...

  • Page 59: Chapter 7. Troubleshooting And Diagnostics

    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...

  • Page 60: Troubleshooting Procedure

    If this does not correct the problem, continue with the next step. 6. Run the diagnostic program. See “Lenovo Solution Center” on page 59 for more information. • If the diagnostic program detects a hardware failure or if you are unable to run the diagnostic program, contact the Lenovo Customer Support Center.

  • Page 61: Audio Problems

    If the symptom occurred immediately after you installed new software or a new hardware option, do the following before referring to the troubleshooting information: 1. Remove the new hardware option or software. If you must remove the computer cover to remove a hardware option, ensure that you review and follow the electrical safety information provided with your computer.

  • Page 62: Dvd Problems

    • Check all cable connections to and from the speakers. • Use the DVD menu for the video to select a different audio track. Playback is slow or choppy Solutions: • Disable any background programs, such as AntiVirus or Desktop Themes. ThinkCentre M79 User Guide...

  • Page 63: Intermittent Problems

    (one to five hard disk drives) or the LSI MegaRAID SAS adapter is installed. If these actions do not correct the problem, run the diagnostic program Lenovo Solution Center. See “Lenovo Solution Center” on page 59. If you need technical assistance, see Chapter 10 “Getting information, help, and service”...

  • Page 64: Problems With The Keyboard Or Mouse

    Refer to “Replacing the hard disk drive” on page 87. If these actions do not correct the problem, run the diagnostic program Lenovo Solution Center. See “Lenovo Solution Center” on page 59.

  • Page 65: Monitor Problems

    • Enroll your fingerprint correctly. • Never scratch the surface of the reader with a hard, pointed object. • Never scrap the surface of the reader with your nail or anything hard. • Use or touch the reader with a clean finger. •...

  • Page 66: Networking Problems

    Setting the wrong duplex mode might degrade performance, cause data loss, or result in lost connections. • Install all networking software that is necessary for your network environment. Check with your LAN administrator for the necessary networking software. ThinkCentre M79 User Guide...
  • Page 67 • Check Network Name (SSID) and your password. – On Windows 7: 1. Click Start ➙ Lenovo ThinkVantage Tools ➙ Access Connections. 2. Switch to the Advanced view, and then click the Mobile Hotspot tab to check your SSID and password.

  • Page 68: I Have Connected An Option To My Computer, But It Does Not Work

    Note: Depending on the volume of the storage drives and amount of data stored on the storage drives, the disk-defragmentation process might take up to several hours. 1. Close any open programs and windows. 2. Depending on your Windows version, do one of the following: ThinkCentre M79 User Guide...

  • Page 69: The Printer Does Not Work

    Solution: Install additional memory modules. For instructions on installing memory modules, see “Installing or replacing a memory module” on page 74. To purchase memory modules, go to: http://www.lenovo.com The printer does not work Solutions: • If you are using IEEE-approved printer signal cables, do the following: 1.

  • Page 70: My Usb Connectors Cannot Be Accessed

    If these actions do not correct the problem, you might need technical assistance. Contact your software manufacturer or see “Windows help system” on page 109 for details. My USB connectors cannot be accessed Solutions: ThinkCentre M79 User Guide...

  • Page 71: Diagnostics

    Note: If you cannot 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. For additional information, refer to the Lenovo Solution Center help system.
  • Page 72 ThinkCentre M79 User Guide...

  • Page 73: Chapter 8. Recovery Information

    Product Recovery program installed. If the Enhanced Backup and Restore icon in the Lenovo ThinkVantage Tools program is dimmed, it indicates that you must install the Rescue and Recovery program manually before enabling its features. To install the Rescue and Recovery program, do the following: 1.

  • Page 74: Performing Backup And Recovery Operations

    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.
  • Page 75 To perform a recovery operation using the Rescue and Recovery program 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.

  • Page 76: Creating And Using A Rescue Medium

    Creating 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.

  • Page 77: Reinstalling Preinstalled Programs And Device Drivers

    Reinstalling preinstalled programs and device drivers Your computer enables you to reinstall preinstalled programs and device drivers. Reinstalling preinstalled programs To reinstall programs preinstalled on your Lenovo computer, do the following: 1. Turn on the computer. 2. Go to C:\SWTOOLS.

  • Page 78: Solving Recovery Problems

    To reset your computer, do the following: 1. Move the pointer to the top-right or bottom-right corner of the screen to display the charms. Click Settings ➙ Change PC settings ➙ Update and recovery ➙ Recovery. ThinkCentre M79 User Guide...

  • Page 79: Using The Advanced Startup Options

    2. In the Remove everything and reinstall Windows section, click Get started. Using the advanced startup options Advanced startup options enable you to change the startup settings of your Windows operating system, start the computer from an external device, or restore the Windows operating system from a system image. To use the advanced startup options, do the following: 1.
  • Page 80 Note: To create a recovery medium, see “Good maintenance practices” on page 45. • Use the recovery USB key provided by Lenovo to restore the entire storage drive to the factory-default settings. – If your computer comes with the recovery USB key, follow the instructions shipped with the USB key.

  • Page 81: Chapter 9. Installing Or Replacing Hardware

    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.

  • Page 82: Removing And Reinstalling The Front Bezel

    To remove and reinstall the front bezel, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Remove the computer cover. See “Removing the computer cover” on page 69. ThinkCentre M79 User Guide...
  • Page 83 3. Remove the front bezel by releasing the plastic tabs on the left side and pivoting the front bezel outward. Figure 11. Removing the front bezel 4. To reinstall the front bezel, align the plastic tabs on the right side of the front bezel with the corresponding holes in the chassis, then pivot the front bezel inwards until it snaps into position on the left side.

  • Page 84: Installing Or Replacing A Pci Card

    2. Remove the computer cover. See “Removing the computer cover” on page 69. 3. At the rear of the computer, remove the screw that secures the card latch. Figure 13. Removing the screw that secures the PCI Express card latch ThinkCentre M79 User Guide...
  • Page 85 4. Depending on whether you are installing or replacing a PCI card, do one of the following: • If you are installing a PCI card, remove the appropriate metal slot cover. • If you are replacing an old PCI card, grasp the old card that is currently installed and gently pull it out of the slot.

  • Page 86: Installing Or Replacing A Memory Module

    The numbers 1, 2, 3, and 4 indicate the installation sequence. To locate the memory module slots, see “Locating parts on the system board” on page 6. ThinkCentre M79 User Guide...
  • Page 87 UDIMM DIMM 1 DIMM 2 DIMM 3 DIMM 4 One UDIMM Two UDIMMs X, 1 X, 2 Three UDIMMs X, 1 X, 3 X, 2 Four UDIMMs X, 1 X, 3 X, 2 X, 4 To install or replace a memory module, do the following: 1.

  • Page 88: Installing Or Replacing The Optical Drive

    Important safety information” on page v. To install or replace an optical drive, do the following: To install or replace an optical drive, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. ThinkCentre M79 User Guide...
  • Page 89 2. Remove the computer cover. See “Removing the computer cover” on page 69. 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 70. 4. Depending on whether you are installing or replacing an optical drive, do one of the following: •...

  • Page 90: Replacing The Slim Card Reader

    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. Remove the computer cover. See “Removing the computer cover” on page 69. ThinkCentre M79 User Guide...
  • Page 91 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 70. 4. Record the cable routing of the installed slim card reader and disconnect the cable of the slim card reader from the system board. 5. Remove the screw that secures the slim card reader bracket and then remove the bracket from the chassis.
  • Page 92 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 106. ThinkCentre M79 User Guide...

  • Page 93: Replacing The Battery

    Replacing the battery Attention: Do not open your computer or attempt any repair before reading and understanding the “Read this first: Important safety information” on page v. Your computer has a special type of memory that maintains the date, time, and settings for built-in features, such as parallel-connector assignments (configuration).

  • Page 94: Replacing The Heat Sink And Fan Assembly

    4. Locate the heat sink and fan assembly. See “Locating parts on the system board” on page 6. 5. Disconnect the heat sink and fan assembly cable from the microprocessor fan connector on the system board. See “Locating parts on the system board” on page 6. ThinkCentre M79 User Guide...
  • Page 95 6. Follow the following sequence to remove the four screws that secure the heat sink and fan assembly to the system board: a. Partially remove screw , then fully remove screw , and then fully remove screw b. Partially remove screw , then fully remove screw , and then fully remove screw Note: Carefully remove the four screws from the system board to avoid any possible damage to the...

  • Page 96: Replacing The Power Supply Assembly

    3. Disconnect the power supply assembly cables from the system board and all drives. See “Locating parts on the system board” on page 6. 4. Release the power supply assembly cables from the cable clips and ties in the chassis. ThinkCentre M79 User Guide...

  • Page 97: Replacing The Microprocessor

    8. Install and tighten the four screws to secure the power supply assembly. Note: Use only screws provided by Lenovo. 9. Reconnect the power supply assembly cables to the system board and each of the drives.
  • Page 98 6. Lift the small handle to release the microprocessor secured on the system board. Figure 31. Accessing the microprocessor 7. Lift the microprocessor straight up and out of the microprocessor socket. Figure 32. Removing the microprocessor Notes: ThinkCentre M79 User Guide...

  • Page 99: Replacing The Hard Disk Drive

    a. Your microprocessor and socket might look different from the one illustrated. b. Note the orientation of the microprocessor in the socket. You can look for the small triangle on one corner of the microprocessor. This is important when installing the new microprocessor on the system board.
  • Page 100 9. Slide the new hard disk drive into the drive cage until it snaps into position. 10. Align the screw holes in the new hard disk drive with the corresponding holes in the drive bay. Then, install the four screws to secure the new hard disk drive in place. ThinkCentre M79 User Guide...

  • Page 101: Installing The Solid-State Drive

    Figure 35. Installing the hard disk drive 11. Connect the signal cable and the power cable to the new hard disk drive. 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 106. Installing the solid-state drive Attention: Do not open your computer or attempt any repair before reading and understanding the “Read this first: Important safety information”...

  • Page 102: Replacing The Rear Fan Assembly

    3. Locate the rear fan assembly. See “Locating components” on page 5. 4. Disconnect the rear fan assembly cable from the system fan connector on the system board. See “Locating parts on the system board” on page 6. ThinkCentre M79 User Guide...
  • Page 103 5. The rear fan assembly is attached to the chassis by four rubber mounts. Remove the rear fan assembly by breaking or cutting the rubber mounts and gently pulling the rear fan assembly out of the chassis. Note: The new rear fan assembly will have four new rubber mounts attached. Figure 37.

  • Page 104: Replacing The Front Audio And Usb Assembly

    5. Disconnect the front audio and USB assembly cables from the system board. See “Locating parts on the system board” on page 6. Note: Ensure that you note the locations of the cables when you disconnect the cables from the system board. ThinkCentre M79 User Guide...

  • Page 105: Replacing The Thermal Sensor

    6. Remove the screw that secures the front audio and USB assembly bracket to the chassis to remove the bracket from the chassis. Figure 39. Removing the screw that secures the front audio and USB assembly to the chassis 7. Remove the two screws that secure the front audio and USB assembly to its bracket and remove the failing front audio and USB assembly from the bracket.
  • Page 106 Then disengage the thermal-sensor plastic holder from the chassis. Figure 40. Removing the thermal sensor 7. Pull the entire thermal sensor out of the chassis. ThinkCentre M79 User Guide...

  • Page 107: Replacing The Cover Presence Switch

    8. Insert the new thermal sensor cable into the hole in the chassis. Then align the two tabs on the thermal-sensor plastic holder with the two holes in the chassis, and push the plastic holder until it snaps into position. Figure 41.
  • Page 108 See “Locating parts on the system board” on page 6. 5. Remove the screw that secures the cover presence switch and remove the cover presence switch from the chassis. Figure 42. Removing the cover presence switch ThinkCentre M79 User Guide...

  • Page 109: Installing Or Removing The Front Wi-Fi Antenna

    6. Position the new cover presence switch so that the screw hole in the cover presence switch is aligned with the corresponding hole in the chassis. Then install the screw to secure the cover presence switch to the chassis. Figure 43. Installing the new cover presence switch 7.
  • Page 110 Figure 45. Installing the front WiFi antenna 6. Connect the front antenna cable to the Wi-Fi card module. What to do next: • To work with another piece of hardware, go to the appropriate section. ThinkCentre M79 User Guide...

  • Page 111: Installing Or Removing The Rear Wi-Fi Antenna

    • To complete the installation or replacement, go to “Completing the parts replacement” on page 106. Removing the front Wi-Fi antenna To remove the front Wi-Fi antenna, 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.

  • Page 112: Replacing The Wi-Fi Units

    • To complete the installation or replacement, go to “Completing the parts replacement” on page 106. Replacing the Wi-Fi units Attention: Do not open your computer or attempt any repair before reading and understanding the “Read this first: Important safety information” on page v. ThinkCentre M79 User Guide...
  • Page 113 This section provides instructions on how to replace the Wi-Fi units. The Wi-Fi units include a Wi-Fi adapter card, a Wi-Fi card module, and a rear Wi-Fi antenna cable. Replacing the Wi-Fi units involves the following operations: • “Removing the Wi-Fi card module” on page 101 •...
  • Page 114 2. Remove the computer cover. See “Removing the computer cover” on page 69. 3. If your computer comes with a Wi-Fi card module that supports the Bluetooth function, disconnect the Bluetooth cable from the Wi-Fi adapter card. ThinkCentre M79 User Guide...
  • Page 115 Figure 52. Disconnecting the Bluetooth cable Note: The Bluetooth cable connects the Bluetooth connector on the Wi-Fi adapter card to the front USB connector on the system board to support the Bluetooth function. 4. At the rear of the computer, press the release button to open the PCI card latch Figure 53.
  • Page 116 1. Insert the Wi-Fi card module into the mini PCI Express slot, and then install the two screws to secure the Wi-Fi card module to the Wi-Fi adapter card. Figure 54. Installing the Wi-Fi card module ThinkCentre M79 User Guide...

  • Page 117: Replacing The Keyboard Or Mouse

    2. Connect the front antenna cable and rear antenna cable to the Wi-Fi card module. Figure 55. Installing the Wi-Fi antenna cables 3. Install the Wi-Fi adapter card into the PCI Express x1 slot on the system board. See “Locating parts on the system board”...

  • Page 118: Completing The Parts Replacement

    2. If you have removed the front bezel, reinstall it. 3. Ensure that the cables are routed correctly before reinstalling the computer cover. Keep cables clear of the hinges and sides of the computer chassis to avoid interference with reinstalling the computer cover. ThinkCentre M79 User Guide...

  • Page 119: Obtaining Device Drivers

    8. To update your configuration, refer to “Using the Setup Utility program” on page 35. 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.
  • Page 120 ThinkCentre M79 User Guide...

  • Page 121: Chapter 10. Getting Information, Help, And Service

    Lenovo Web site The Lenovo Web site (http://www.lenovo.com) provides up-to-date information and services to help you buy, upgrade, and maintain your computer. You can also do the following: •...

  • Page 122: Lenovo Support Web Site

    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...

  • Page 123: Using Other Services

    You must retain your proof of purchase to obtain warranty service. For a list of Lenovo Support phone numbers, go to http://www.lenovo.com/support/phone or refer to the Safety, Warranty, and Setup Guide that comes with your computer.
  • Page 124 ThinkCentre M79 User Guide...

  • Page 125: Appendix A. Regulatory Information

    • 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.
  • Page 126 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, Meitnerstr. 9, D-70563 Stuttgart. ThinkCentre M79 User Guide...

  • Page 127: Eurasian Compliance Mark

    The ac power cord shipped with your product can be used only for this specific product. Do not use the ac power cord for other devices. Lenovo product service information for Taiwan Keyboard and mouse compliance statement for Taiwan Eurasian compliance mark Brazil audio notice Ouvir sons com mais de 85 decibéis por longos períodos pode provocar danos ao sistema auditivo.

  • Page 128: Additional Regulatory Information

    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.

  • Page 129: Appendix B. Weee And Recycling Information

    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.

  • Page 130: Recycling Information For Brazil

    If you need to replace it with a new one, contact your place of purchase or contact Lenovo for service. If you need to dispose of a disused lithium battery, insulate it with vinyl tape, contact your place of purchase or an industrial-waste-disposal operator, and follow their instructions.

  • Page 131: Battery Recycling Information For The European Union

    If the battery needs to be replaced, contact your place of purchase or contact Lenovo for service. If you need to dispose of a lithium battery, insulate it with vinyl tape, contact your place of purchase or a waste-disposal operator, and follow their instructions.
  • Page 132 ThinkCentre M79 User Guide...

  • Page 133: Appendix C. Restriction Of Hazardous Substances (Rohs) Directive

    For more information about Lenovo worldwide compliance on RoHS, go to: http://www.lenovo.com/social_responsibility/us/en/RoHS_Communication.pdf Turkish RoHS The Lenovo product meets the requirements of the Republic of Turkey Directive on the Restriction of the Use of Certain Hazardous Substances in Waste Electrical and Electronic Equipment (WEEE). Ukraine RoHS India RoHS RoHS compliant as per E-Waste (Management &...

  • Page 134: China Rohs

    China RoHS Taiwan RoHS ThinkCentre M79 User Guide...

  • Page 135: Appendix D. China Energy Label

    Appendix D. China Energy Label © Copyright Lenovo 2014, 2016...
  • Page 136 ThinkCentre M79 User Guide...

  • Page 137: Appendix E. Energy Star Model 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 1.
  • Page 138 3. Follow the instructions on the screen. ThinkCentre M79 User Guide...

  • Page 139: Appendix F. Notices

    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.

  • Page 140: Trademarks

    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 is a trademark of Intel Corporation in the U.S. and/or other countries.

  • Page 141: Index

    Description getting device drivers important safety devices, handling static-sensitive resources diagnostic program safety diagnostics program, using warranty diagnostics, troubleshooting Input/Output (I/O) features DisplayPort connector installing documentation, using solid-state drive © Copyright Lenovo 2014, 2016...
  • Page 142 PCI card viewing installing, replacing Setup Utility slots Setup Utility program, starting physical specifications Setup Utility, exiting power software features recovering ThinkCentre M79 User Guide...
  • Page 143 Setup Utility VGA connector video features viewing and changing settings warranty information Wi-Fi units, Wi-Fi adapter card, Wi-Fi card module, Wi-Fi antenna cable, replacing wireless features workspace, backup and recovery © Copyright Lenovo 2014, 2016...
  • Page 144 ThinkCentre M79 User Guide...

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