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Lenovo ThinkCentre M73

1. Figure 39 Removing the heat sink and fan assembly Lift the heat sink and fan assembly off the system board Notes e You might have to gently twist the heat sink and fan assembly to free it from the microprocessor e When handling the heat sink and fan assembly do not touch the thermal grease on the bottom of the heat sink and fan assembly Place the new heat sink and fan assembly on the system board so that the four screws are aligned with the corresponding holes in the system board Make sure that you properly place the new heat sink and fan assembly so that you can easily connect the new heat sink and fan assembly cable to the microprocessor fan connector on the system board Follow the following sequence to install the four screws to secure the new heat sink and fan assembly Do not over tighten the screws a Partially tighten screw ff then fully tighten screw J and then fully tighten screw F b Partially tighten screw J then fully tighten screw E and then fully tighten screw E Connect the new heat sink and fan assembly cable to the microprocessor fan connector on the system board See Locating parts on the system board on page 13 ThinkCentre M73 User Guide 10 Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until it snaps into position Figure 40 Installing the heat sink fan duct What to do
2. To run the Corel DVD MovieFactory Lenovo Edition program click Start gt All Programs gt Corel DVD MovieFactory Lenovo Edition gt Corel DVD MovieFactory Lenovo Edition Follow the instructions on the screen 24 ThinkCentre M73 User Guide Torun the Power2Go program click Start gt All Programs gt PowerDVD Create gt Power2Go Follow the instructions on the screen e On the Windows 8 operating system run the Power2Go program by doing the following 1 Move the pointer to the top right or bottom right corner of the screen to display the charms Then click Search and type Power2Go 2 Click Power2Go in the left panel to open the program 3 Follow the instructions on the screen e On the Windows 8 1 operating system run the Power2Go program by doing the following 1 On the start screen click the arrow icon M in the bottom left corner to go to the Apps screen Then type Power2Go in the search box in the top right corner of the screen 2 Click Power2Go in the search result to open the program 3 Follow the instructions on the screen You also can use Windows Media Player to record CDs and data DVDs For more information see Help and Support on page 121 Chapter 2 Using your computer 25 26 ThinkCentre M73 User Guide Chapter 3 You and your computer This chapter provides information about accessibility comfort and relocating your computer to other countries or regions Accessibility an
3. Depending on your computer model your computer supports some of the following Lenovo programs Fingerprint Manager Pro or ThinkVantage Fingerprint Software Lenovo Bluetooth Lock Windows 8 1 only Lenovo Companion Lenovo Reach Lenovo Settings Lenovo SHAREit Lenovo Solution Center Lenovo Support Lenovo Tools Password Manager Power Manager PC Cloud Manager Windows 8 1 only System Update An introduction to Lenovo programs This topic provides a brief introduction to some Lenovo programs Note Depending on your computer model some of the programs might not be available Communications Utility Windows 7 The Communications Utility program provides a central location for integrated camera and microphone settings It controls advanced settings for the integrated microphone and camera to optimize Web conferencing and Voice over IP VOIP experience Fingerprint Manager Pro or ThinkVantage Fingerprint Software Windows 7 Windows 8 and Windows 8 1 The integrated fingerprint reader provided on some keyboards enables you to enroll your fingerprint and associate it with your power on password hard disk password and Windows password As a result fingerprint authentication can replace passwords and enable simple and secure user access A fingerprint reader keyboard is available with select computers or can be purchased for computers that support this option Lenovo Bluetooth Lock Windows 7 and Windows 8 1 The Lenovo
4. Click Click for files All available files will be displayed ON DOF W PD Click the link for the readme file that contains the instructions for updating flashing the BIOS from your operating system 9 Print these instructions This is very important because these instructions will not be displayed on the screen after the download begins 10 Follow the printed instructions to download extract and install the update Recovering from a POST BIOS update failure If the power to your computer is interrupted while the POST and BIOS is being updated your computer might not restart correctly If this happens perform the following procedure to recover from the POST and BIOS update failure This procedure is commonly called Boot block Recovery 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 Open the computer cover See Removing the computer cover on page 40 3 Locate the Clear CMOS Recovery jumper on the system board See Locating parts on the system board on page 13 4 Remove any cables that impede access to the Clear CMOS Recovery jumper 5 Move the jumper from the standard position pin 1 and pin 2 to the maintenance position pin 2 and pin 3 6 Reconnect any cables that were disconnected and reinstall the PCI card if removed 7 Close the co
5. Wrong characters appear on the screen on page 111 e The monitor works when you turn on the computer but goes blank after some period of computer inactivity on page 111 e The monitor works when you turn on the computer but goes blank when you start some application programs on page 111 e The image appears to be flickering on page 112 e The image is discolored on page 112 Wrong characters appear on the screen Symptom Wrong characters appear on the screen Action Have the computer serviced For details see Chapter 11 Getting information help and service on page 121 The monitor works when you turn on the computer but goes blank after some period of computer inactivity Symptom The monitor works when you turn on the computer but goes blank after some period of computer inactivity Action The computer is probably set for energy savings with the power management feature If the power management feature is enabled disabling it or changing the settings might solve the problem 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 121 The monitor works when you turn on the computer but goes blank when you start some application programs Symptom The monitor works when you turn on the computer but goes blank when you start some application programs Actions
6. bays 14 specifications 14 E environment operating 5 Ethernet 2 Ethernet connector 11 exiting Setup Utility 96 expansion 3 external options installing 39 F failure recovering from POST BIOS 98 features 1 flashing the BIOS 97 front connectors controls indicators 9 front audio and USB assembly replacing 67 front bezel removing reinstalling 40 front WiFi antenna installing removing 77 G getting help 121 information 121 service 121 H hard disk drive replacing 48 heat sink and fan assembly replacing 58 help and service 122 getting 121 Help and Support 121 important safety information v information getting 121 important safety v resources 121 safety 121 warranty 121 Input Output I O features 3 installing options memory module 43 141 PCI Express card 45 internal drives 1 K Kensington style cable lock 35 keyboard replacing 79 keyboard connector 11 L Lenovo Solution Center 120 Lenovo ThinkVantage Tools 121 locating components 12 media creating and using recovery media 83 memory module installing replacing 43 system board 43 Microphone connector 11 microprocessor replacing 65 mouse replacing 80 mouse connector 11 N notices 125 O opening computer cover 40 operations backup and recovery 84 optical drive installing or replacing 55 optical mouse cleaning 101 P parts replacement completing 81 password Administrator 92 considera
7. e Make sure the monitor signal cable is securely connected to the monitor and the monitor connector on the computer A loose cable can cause intermittent problems e Verify that the necessary device drivers for the application programs are installed Refer to the documentation for the affected application program to see if device drivers are required 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 121 Chapter 10 Troubleshooting and diagnostics 111 The image appears to be flickering Symptom The image appears to be flickering Actions e 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 e The monitor might be affected by interference from nearby equipment Magnetic fields around other devices such as transformers appliances fluorescent lights and other monitors might be causing the problem Move fluorescent desk lighting or any equipment that produces magnetic fields farther away from the monitor If this does not correct the problem do the following 1 Turn off
8. 3 Remove the front bezel See Removing and reinstalling the front bezel on page 40 4 Note the location of the four screws J that secure the hard disk drive Then pivot the drive bay assembly upward Figure 21 Pivoting the drive bay assembly 5 Hold the hard disk drive and remove the four screws that secure the hard disk drive Then remove the hard disk drive from the drive bay assembly Figure 22 Removing the hard disk drive 6 Disconnect the signal cable and the power cable from the hard disk drive to completely remove the hard disk drive from the chassis Chapter 5 Installing or replacing hardware 49 7 Connect one end of the signal cable to the rear of the new hard disk drive and the other end to an available SATA connector on the system board See Locating parts on the system board on page 13 Then locate an available four wire power connector and connect it to the rear of the new hard disk drive Figure 23 Connecting a SATA hard disk drive 8 Position the new hard disk drive into the hard disk drive bay and 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 Figure 24 Installing the hard disk drive What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts re
9. See Locating connectors controls and indicators on the front of your computer on page 9 and Locating connectors on the rear of your computer on page 10 4 Remove any locking device that secures the computer cover such as an integrated cable lock or a padlock See Attaching a Kensington style cable lock on page 35 or Locking the computer cover on page 34 5 Remove the two screws that secure the computer cover and slide the computer cover to the rear to remove it Figure 9 Removing the computer cover Removing and reinstalling the front bezel 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 remove and reinstall the front bezel To remove and reinstall the front bezel do the following 40 ThinkCentre M73 User Guide 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 40 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 Carefully lay the front bezel aside without disconnecting the power switch and light emitting diode LED assem
10. Warranty and Setup Guide that comes with your computer Note Phone numbers are subject to change without notice If the number for your country or region is not provided contact your Lenovo reseller or Lenovo marketing representative If possible be at your computer when you call Have the following information available e Machine type and model e Serial numbers of your hardware products e Description of the problem e Exact wording of any error messages e Hardware and software configuration information Using other services If you travel with your computer or relocate it to a country where your desktop or notebook computer machine type is sold your computer might be eligible for International Warranty Service which automatically entitles you to obtain warranty service throughout the warranty period Service will be performed by service providers authorized to perform warranty service Service methods and procedures vary by country and some services might not be available in all countries International Warranty Service is delivered through the method of service such as depot carry in or on site service that is provided in the servicing country Service centers in certain countries might not be able to service all models of a particular machine type In some countries fees and restrictions might apply at the time of service To determine whether your computer is eligible for International Warranty Service and to view a list of
11. concerning batteries and accumulators and waste batteries and accumulators The Directive determines the framework for the return and recycling of used batteries and accumulators as applicable throughout the European Union This label is applied to various batteries to indicate that the battery is not to be thrown away but rather reclaimed upon end of life per this Directive In accordance with the European Directive 2006 66 EC batteries and accumulators are labeled to indicate that they are to be collected separately and recycled at end of life The label on the battery may also include a chemical symbol for the metal concerned in the battery Pb for lead Hg for mercury and Cd for cadmium Users of batteries and accumulators must not dispose of batteries and accumulators as unsorted municipal waste but use the collection framework available to customers for the return recycling and treatment of batteries and accumulators 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 133 134 ThinkCentre M73 User Guide Appendix D Restriction of Hazardous Substances Directive ROHS European Union RoHS Lenovo products sold in the European Union on or after 3 January 2013 meet the requir
12. www lenovo com diags e f you are using a Windows operating system other than Windows 7 Windows 8 or Windows 8 1 go to http www lenovo com diags for the latest information on diagnostics for your computer To run the Lenovo Solution Center program see Lenovo programs on page 5 For additional information refer to the Lenovo Solution Center help system 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 120 ThinkCentre M73 User Guide Chapter 11 Getting information help and service This chapter contains information about help service and technical assistance for products manufactured by Lenovo Information resources 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 Note The Lenovo ThinkVantage Tools program is only available on computers preinstalled with the Windows 7 operating system from Lenovo To access the Lenovo ThinkVantage Tools program click Start gt All Programs gt Lenovo ThinkVantage Tools Help and Support The Windows Help and Support information system guides you to various help
13. 10 Connect the new system fan assembly cable to the system fan connector on the system board See Locating parts on the system board on page 13 11 Reinstall the heat sink fan duct See Replacing the heat sink and fan assembly on page 58 12 Reinstall the hard disk drive See Replacing the hard disk drive on page 48 What to do next e To work with another piece of hardware go to the appropriate section e To complete the replacement go to Completing the parts replacement on page 81 Replacing the WiFi units 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 WiFi units The WiFi units include a WiFi adapter card a WiFi card module and a rear WiFi antenna cable Replacing the WiFi units involves the following operations e Removing the WiFi adapter card on page 71 e Removing the WiFi card module on page 72 70 ThinkCentre M73 User Guide e Installing the WiFi units on page 73 Removing the WiFi adapter card To remove the WiFi adapter card 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 40 3 If your computer comes with a WiFi card module that supports the Bluetooth function disconnect the Bluetooth cable from
14. 40 3 Remove the front bezel See Removing and reinstalling the front bezel on page 40 4 Pivot the drive bay assembly upward See Accessing the system board components and drives on page 42 5 Depending on whether you are installing or replacing a PCI Express card do one of the following e If you are replacing an old PCI Express card remove the screw that secures the old PCI Express card and release the old PCI Express card from the PCI Express card slot Chapter 5 Installing or replacing hardware 45 Figure 17 Removing a PCI Express card Notes The card fits tightly into the card slot If necessary alternate moving each side of the card a small amount until it is removed from the card slot If the card is held in place by a retaining latch press the card retaining latch MJ as shown to disengage the latch Grasp the card and gently pull it out of the slot e f you are installing a PCI Express card remove the screw that secures the appropriate metal slot cover Then remove the metal slot cover 6 Remove the new PCI Express card from its static protective package 46 ThinkCentre M73 User Guide 7 Install the new PCI Express card into the appropriate PCI Express card slot on the system board Then install the screw to secure the new PCI Express card in place Figure 18 Installing a PCI Express card 8 If necessary connect any cables between the PCI Express card and th
15. 9 and Locating connectors on the rear of your computer on page 10 Expansion e One hard disk drive bay e One optical drive bay e One secondary solid state drive bay optional e One slim card reader drive bay e One PCI Express x16 graphics card slot e Two PCI Express x1 card slots For more information see Locating internal drives on page 14 Power supply Your computer comes with 240 watt automatic voltage sensing power supply Security features e Ability to enable or disable a device e Ability to enable and disable USB connectors individually e Computrace Agent software embedded in firmware e Cover presence switch also called intrusion switch available in some models e Keyboard with fingerprint reader shipped with some models e Power on password POP administrator password and hard disk password to deter unauthorized use of your computer e Startup sequence control e Startup without keyboard or mouse e Support for a Kensington style cable lock e Support for a padlock For more information see Chapter 4 Security on page 33 Preinstalled software programs Chapter 1 Product overview 3 Your computer is preinstalled with software programs to help you work more easily and securely For more information see Lenovo programs on page 5 Preinstalled operating system Your computer is preinstalled with one of the following operating systems e Microsoft Windows 7 operating system e Micro
16. Bluetooth Lock program enables you to use a Bluetooth device such as your smartphone as a proximity based unit for locking or unlocking your computer automatically By detecting the distance between your computer and the predefined Bluetooth device that you are carrying the Lenovo Bluetooth Lock program automatically locks your computer when you walk away and unlocks your computer when you come back This is a simple way to protect your computer against unauthorized access in case that you forget to lock your computer Lenovo Companion Windows 8 and Windows 8 1 Through the Lenovo Companion program you can get the information about the accessories for your computer view blogs and articles about your computer and check for other recommended programs Chapter 1 Product overview 7 Lenovo Reach Windows 7 Windows 8 and Windows 8 1 Use the Lenovo Reach program to enhance your cloud experience Lenovo Reach keeps you connected at all times and enables you to access all your favorite items from personal computers smartphones or tablets With Lenovo Reach you can add your favorite Web services to your cloud desktop stay logged in to Web sites with the cloud password manager and access edit and share your files from anywhere Lenovo Settings Windows 8 and Windows 8 1 Use the Lenovo Settings program to enhance your computing experience You can turn your computer into a portable hotspot configure camera and audio settings optimize you
17. C SWTOOLS directory 4 Open the DRIVERS folder Within the DRIVERS folder there are several subfolders named for various devices installed in your computer such as AUDIO or VIDEO 5 Open the appropriate device subfolder 6 Do one of the following e Inthe device subfolder look for a SETUP exe file Double click the file and follow the instructions on the screen to complete the installation e Inthe device subfolder look fora README txt file or a file with the txt extension This file might be named after the operating system such as WIN98 txt The TXT file contains information about how to install the device driver Follow the instructions to complete the installation e If the device subfolder contains a file with the inf extension and you want to install the device driver using the INF file refer to your Windows Help and Support information system for detailed information about how to install the device driver Chapter 6 Recovery information 87 Note If you need updated device drivers see Getting the latest device drivers for your computer on page 99 for more information Reinstalling software programs If a software program you installed on your computer is not working correctly you might need to remove and reinstall it Reinstalling overwrites the existing programs files and usually fixes any problems that you might have had with that program To remove a program in your system see Microsoft Windows help syst
18. Do one of the following e For Windows 8 In the Taskbar section click Customize icons on the taskbar e For Windows 8 1 In the Taskbar and Navigation section click Customize icons on the taskbar 3 Click Turn system icons on or off and change the volume behavior from Off to On 4 Click OK to save the new settings Setting the volume from Control Panel You can set the computer volume from Control Panel To set the computer volume from Control Panel do the following 1 On the Windows 7 operating system click Start gt Control Panel gt Hardware and Sound On the Windows 8 or Windows 8 1 operating system open Control Panel and click Hardware and Sound Note For detailed information on how to open Control Panel on Windows 8 and Windows 8 1 see Accessing Control Panel on the Windows 8 or Windows 8 1 operating system on page 20 2 In the Sound section click Adjust system volume 3 Move the sliders up or down to raise or lower the volume of your computer Using CDs and DVDs Your computer might have a DVD ROM drive or recordable DVD drive installed DVD drives use industry standard 12 cm 4 75 inch CD media or DVD media If your computer comes with a DVD drive the drive can read DVD ROM discs DVD R discs DVD RAM discs DVD RW discs and all types of CDs such as CD ROM discs CD RW discs CD R discs and audio CDs If you have a recordable DVD drive it can also record on DVD R discs DVD RW discs type Il DVD RAM discs CD
19. Lenovo Support Web site at http www lenovo com support phone a a The computer does not start Verify that when you press the power Switch e The power cord is correctly connected to the rear of the computer and to a working electrical outlet If your computer has a secondary power switch on the rear of the computer make sure that it is switched on The power indicator on the front of the computer is on The computer voltage matches the voltage available at the electrical outlet for your country or region The monitor screen is blank Verify that e The monitor signal cable is correctly connected to the monitor and to the appropriate monitor connector on the computer The monitor power cord is correctly connected to the monitor and to a working electrical outlet The monitor is turned on and the brightness and contrast controls are set correctly The computer voltage matches the voltage available at the electrical outlet for your country or region If your computer has two monitor connectors be sure to use the connector on the graphics card The keyboard does not work Verify that e The computer is turned on e The keyboard is securely connected to a USB connector on the computer e No keys are stuck The mouse does not work Verify that e The computer is turned on e The mouse is securely connected to a USB connector on the computer e The mouse is clean Refer to Optical mouse on page 101 for further in
20. Press F10 to save and exit the Setup Utility program See Exiting from the Setup Utility program on page 96 Enabling ErP LPS compliance mode Lenovo computers meet the eco design requirements of the ErP Lot 3 regulation For more information go to 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 To enable ErP LPS compliance mode in the Setup Utility program do the following 1 Make sure your computer is turned off 2 Repeatedly press and release the F1 key when turning on the computer When you hear multiple beeps or see a logo screen release the F1 key The Setup Utility program starts Note If a Power On Password or an Administrator Password has been set the Setup Utility program main menu will not be displayed until you type the correct password 3 From the Setup Utility program main menu select Power gt Enhanced Power Saving Mode and press Enter Select Enabled and press Enter From the Power menu select Automatic Power On and press Enter Select Wake on Lan and press Enter N OO on f Select Disabled and press Enter 94 ThinkCentre M73 User Guide 8 Press F10 to save changes and exit the Setup Utility program Press Enter when prompted to confirm the exit Note When ErP LPS compliance mode is enabled you can wake up your computer by doing one of the foll
21. This is a safety feature Do not defeat this safety feature by trying to insert it into a non grounded outlet If you cannot insert the plug into the outlet contact an electrician for an approved outlet adapter or to replace the outlet with one that enables this safety feature Never overload an electrical outlet The overall system load should not exceed 80 percent of the branch circuit rating Consult an electrician for more information if you have questions about power loads and branch circuit ratings Be sure that the power outlet you are using is properly wired easily accessible and located close to the equipment Do not fully extend power cords in a way that will stress the cords Be sure that the power outlet provides the correct voltage and current for the product you are installing Carefully connect and disconnect the equipment from the electrical outlet External devices Do not connect or disconnect any external device cables other than Universal Serial Bus USB and 1394 cables while the computer power is on otherwise you might damage your computer To avoid possible damage to attached devices wait at least five seconds after the computer is shut down to disconnect external devices Heat and product ventilation Computers power adapters and many accessories can generate heat when turned on and when batteries are charging Always follow these basic precautions e Do not leave your computer power adapter or accessorie
22. When the Startup Device Menu opens release the F12 key 3 On the Startup Device Menu select the desired optical drive as the startup device Then insert the disc into this optical drive and press Enter The update begins 4 When prompted to change the serial number it is suggested that you do not make this change by pressing N However if you do want to change the serial number press Y then type in the serial number and press Enter 5 When prompted to change the machine type and model it is suggested that you do not make this change by pressing N However if you do want to change the machine type and model press Y then type in the machine type and model and press Enter 6 Follow the instructions on the screen to complete the update After the update is completed remove the disc from the optical drive Copyright Lenovo 2013 2014 97 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 Go to http www lenovo com support Click Download Drivers amp Software Click Use Quick Path Type the 4 digit machine type for your computer in the Quick Path field and then click Find My Product Click BIOS Locate the BIOS version that you want to download
23. Windows 8 1 operating system This section provides information about the recovery solutions provided on computers preinstalled with the Windows 8 or Windows 8 1 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 Attention If you refresh your computer the programs that came with your computer and the programs that you installed from Windows Store will be reinstalled but all other programs will be removed To refresh your computer do one of the following e For Windows 8 1 Move the pointer to the top right or bottom right corner of the screen to display the charms Click Settings gt Change PC settings gt General 2 In the Refresh your PC without affecting your files section click Get started e For Windows 8 1 1 Move the pointer to the top right or bottom right corner of the screen to display the charms Click Settings gt Change PC settings gt Update and recovery gt Recovery 2 In the Refresh your PC without affecting your files section click Get started Resetting your computer to the factory default settings You can reset your computer to the factory default settings Resetting the computer will reinstall the operating system and reinstall all the programs and settings that came with your computer Attention If you reset
24. and that no tools or loose screws are left inside your computer See Locating components on page 12 for the locations of various components in your computer 2 Make sure that the cables are routed correctly Keep cables clear of the hinges and sides of the computer chassis to avoid interference with closing the computer cover 3 Lower the drive bay assembly See Accessing the system board components and drives on page 42 4 If you have removed the front bezel reinstall it To reinstall the front bezel align the three tabs on the front bezel with the corresponding holes in the chassis and pivot the front bezel inwards until it snaps into position 5 Position the computer cover on the chassis so that the rail guides on the computer cover engage the rails on the chassis Then slide the computer cover to the front of the computer until it snaps into position and is closed Then install the two screws to secure the computer cover Figure 66 Reinstalling the computer cover 6 If there is a padlock available lock the computer cover See Locking the computer cover on page 34 7 If there is an integrated cable lock available lock the computer See Attaching a Kensington style cable lock on page 35 8 Reconnect the external cables and power cords to the computer See Locating connectors on the rear of your computer on page 10 9 To update your configuration see Chapter 7 Using the Setup Utility prog
25. computer 2 Remove the computer cover See Removing the computer cover on page 40 3 Locate the system board and disconnect all cables connected to the system board See Locating parts on the system board on page 13 4 Remove the heat sink and fan assembly See Replacing the heat sink and fan assembly on page 58 Chapter 5 Installing or replacing hardware 65 Note Do not let the thermal grease on the bottom of the heat sink and fan assembly get in contact with anything 5 Lift the small handle J and open the retainer J to access the microprocessor E El nny ES SS Figure 45 Accessing the microprocessor 6 Lift the microprocessor straight up and out of the microprocessor socket Notes e Your microprocessor and socket might look different from the one illustrated e Touch only the edges of the microprocessor Do not touch the gold contacts on the bottom e Do not drop anything onto the microprocessor socket while it is exposed
26. computer in a clean dry environment Make sure it rests on a flat steady surface e Do not place items on top of the monitor or cover any of the vents in the monitor or computer These vents provide airflow to keep your computer from overheating e Keep food and drinks away from all parts of your computer Food particles and spills might make the keyboard and mouse stick and unusable e Do not get the power switches or other controls wet Moisture can damage these parts and cause an electrical hazard e Always disconnect a power cord by grasping the plug but not the cord 100 ThinkCentre M73 User Guide 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 Keyboard To clean your computer keyboard do the following 1 Apply some isopropyl rubbing alcohol to a soft dust free cloth 2 Wipe each keytop surface with the cloth Wipe the keys one by one if you wipe several keys at a time the cloth may hook onto an adjacent key and possibly damage it Make sure that no liquid drips onto or between the keys 3 To remove any crumbs or dust from beneath the keys you can use a camera blower with a brush or cool air from a hair
27. contractor certified by a local government In accordance with the Law for Promotion of Effective Utilization of Resources Lenovo Japan provides through its PC Collecting and Recycling Services for the collecting reuse and recycling of disused computers and monitors For details visit the Lenovo Web site at http www lenovo com recycling japan Pursuant to the Law for Promotion of Effective Utilization of Resources the collecting and recycling of home used computers and monitors by the manufacturer was begun on October 1 2003 This service is provided free of charge for home used computers sold after October 1 2003 For details visit the Lenovo Web site at http www lenovo com recycling japan Disposing of Lenovo computer components Copyright Lenovo 2013 2014 131 Some Lenovo computer products sold in Japan may have components that contain heavy metals or other environmental sensitive substances To properly dispose of disused components such as a printed circuit board or drive use the methods described above for collecting and recycling a disused computer or monitor Disposing of disused lithium batteries from Lenovo computers A button shaped lithium battery is installed on the system board of your Lenovo computer to provide power to the computer clock while the computer is off or disconnected from the main power source If you want to replace it with a new one contact your place of purchase or ask for a repair service pro
28. corner of the screen to display the charms Then click Settings gt PC info to view the information Microprocessor To view the microprocessor information of your computer do the following e On the Microsoft Windows 7 operation system click Start right click Computer and select Properties to view the information e On the Microsoft Windows 8 or 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 gt PC info to view the information Memory Your computer supports up to 2 double data rate 3 dual inline memory modules DDR3 DIMMs Internal drives e Optical drive DVD ROM or DVD R e Hybrid drive e Serial Advanced Technology Attachment SATA hard disk drive e SATA solid state drive Video subsystem e Integrated graphics for a Video Graphics Array VGA connector and a DisplayPort connector e Peripheral Component Interconnect PCI Express x16 graphics card slot on the system board for a discrete graphics card Audio subsystem e Integrated high definition HD audio e Audio line in connector audio line out connector and microphone connector on the rear panel e Microphone connector and headphone connector on the front panel Copyright Lenovo 2013 2014 1 Internal speaker available on some models Connectivity 100 1000 Mbps integrated Ethernet controller PCIE x1 Fax modem some models System manag
29. display the charms 2 Click Settings 3 Click Control Panel e From the Start screen For Windows 8 1 Move the pointer to the top right or bottom right corner of the screen to display the charms 2 Click Search 3 On the Apps screen scroll to the right side and click Control Panel in the Windows System section 20 ThinkCentre M73 User Guide For Windows 8 1 1 Click the arrow icon M in the bottom left corner of the screen to go to the Apps screen 2 Scroll to the right side and click Control Panel in the Windows System section Using the keyboard Depending on your model your computer comes with either a standard keyboard or a fingerprint reader keyboard The Microsoft Windows shortcut keys are provided on both keyboard types This section provides information about the following topics e Using Windows shortcut keys on page 21 e Using a fingerprint reader on page 21 Using Windows shortcut keys Both the standard keyboard and the fingerprint reader keyboard provide three keys you can use with your Microsoft Windows operating system e The two Windows logo keys are located beside the Alt key on either side of the spacebar They feature the Windows logo On the Windows 7 operating system press the Windows key H to open the Start menu On the Windows 8 or Windows 8 1 operating system press the Windows key H to switch between the current workspace and the Start screen The style of the Windows logo v
30. dryer Note Avoid spraying cleaner directly onto the display or the keyboard Optical mouse This section provides instructions on how to clean an optical mouse An optical mouse uses a light emitting diode LED and an optical sensor to navigate the pointer If the pointer on the screen does not move smoothly with the optical mouse you might need to clean the mouse To clean an optical mouse do the following 1 Turn off your computer 2 Disconnect the mouse cable from the computer 3 Turn the mouse upside down to check the lens a If there is a smudge on the lens gently clean the area with a plain cotton tipped swab b If there is debris in the lens gently blow the debris away from the area 4 Check the surface on which you are using the mouse If you have a very intricate picture or pattern beneath the mouse it may be difficult for the digital signal 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 associated with glare Remember to clean your monitor screen periodically See Cleaning a flat panel monitor surface on page 101 or Cleaning a glass screen surface on page 102 Cleaning a flat panel monitor surface If you have a flat panel computer display that has a flexible film surface do the following to clean the special surface Wipe it gently with a soft dry cloth or blow
31. interference with licensed communication devices Lenovo Einsteinova 21 851 01 Bratislava Slovakia CE German Class B compliance statement Deutschsprachiger EU Hinweis Hinweis f r Ger te der Klasse B EU Richtlinie zur Elektromagnetischen Vertr glichkeit Dieses Produkt entspricht den Schutzanforderungen der EU Richtlinie 2004 108 EG fr her 89 336 EWG zur Angleichung der Rechtsvorschriften ber die elektromagnetische Vertr glichkeit in den EU Mitgliedsstaaten und h lt die Grenzwerte der EN 55022 Klasse B ein Um dieses sicherzustellen sind die Ger te wie in den Handb chern beschrieben zu installieren und zu betreiben Des Weiteren d rfen auch nur von der Lenovo empfohlene Kabel angeschlossen werden Lenovo bernimmt keine Verantwortung f r die Einhaltung der Schutzanforderungen wenn das Produkt ohne Zustimmung der Lenovo ver ndert bzw wenn Erweiterungskomponenten von Fremdherstellern ohne Empfehlung der Lenovo gesteckt eingebaut werden Deutschland Einhaltung des Gesetzes ber die elektromagnetische Vertr glichkeit von Betriebsmitteln Dieses Produkt entspricht dem Gesetz ber die elektromagnetische Vertr glichkeit von Betriebsmitteln EMVG fr her Gesetz ber die elektromagnetische Vertr glichkeit von Ger ten Dies ist die Umsetzung der EU Richtlinie 2004 108 EG fr her 89 336 EWG in der Bundesrepublik Deutschland Zulassungsbescheinigung laut dem Deutschen Gesetz Uber die elektromagnetische Vert
32. not correct the problem have the computer and keyboard serviced See Chapter 11 Getting information help and service on page 121 for details The mouse or pointing device does not work Symptom The mouse or pointing device does not work Actions e Verify that the mouse or pointing device cable is securely attached to the correct connector on the computer Depending on the type of mouse you have the mouse cable will connect to either the mouse serial or USB connector Some keyboards have integrated USB connectors that can be used for a USB mouse or pointing device e Verify that the device drivers for the mouse or pointing device are installed correctly e If you are using a USB keyboard or mouse verify that the USB connectors are enabled in the BIOS settings See Enabling or disabling a device on page 93 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 121 The pointer on the screen does not move smoothly with the mouse Symptom The pointer on the screen does not move smoothly with the mouse Action Erratic movement of the mouse pointer is generally caused by a buildup of dirt oils and other contaminants on the ball inside the mouse Clean the mouse See Optical mouse on page 101 for instructions The fingerprint reader does not work Symptom The fingerprint reader does no
33. of installed programs is displayed Select the program that you want to remove Click Uninstall Change or Uninstall e Clean out your Inbox Sent Items and Deleted Items folders from your e mail application The folder names and procedures vary depending on your e mail application If you need assistance see the help system for your e mail application Excessive number of fragmented files Symptom Excessive number of fragmented files Action Run the Windows Disk Defragmenter program Note Depending on the size of the hard disk drive and amount of data currently stored on the hard disk drive the disk defragmentation process might take up to several hours to complete On the Windows 7 operating system do the following 1 Click Start gt Computer ona W DY Close any programs that are currently running and close any open windows Right click your C drive entry and then click Properties Click the Tools tab Click Defragment Now then click Continue Click Defragment Now again to start a disk defragmentation process On the Windows 8 or Windows 8 1 operating system do the following 1 On Windows 8 open File Explorer and click Computer On Windows 8 1 open File Explorer a A WwW N Close any programs that are currently running and close any open windows Right click your C drive entry and then click Properties Click the Tools tab and then click Optimize Click Optimize in the Optimize Drives wi
34. on the screen to remove grit and other loose particles Then moisten a cloth with LCD cleaner and wipe the screen surface Chapter 9 Preventing problems 101 Many computer supply stores carry the special cleaning fluids for displays Use cleaning fluids developed for LCD displays only First apply the fluid to a lint free soft cloth then clean the LCD display Some computer supply stores carry pre moistened towelettes for LCD maintenance Cleaning a glass screen surface To clean a glass screen surface wipe it gently with a soft dry cloth or blow on the screen to remove grit and other loose particles Then use a soft cloth moistened with a nonabrasive liquid glass cleaner Good maintenance practices By performing a few good maintenance practices you can maintain good computer performance protect your data and be prepared in case of a computer failure e Empty your recycle bin on a regular basis e Run the Windows Disk Defragmenter program occasionally to prevent performance problems caused by an excessive number of fragmented files e Clean out your Inbox Sent Items and Deleted Items folders in your e mail application on a regular basis e Make backup copies of critical data on removable media memory at regular intervals and store the removable media in a safe location The frequency of making backup copies depends on how critical the data is to you or your business Lenovo makes a number of removable media storage devices avail
35. open Speech Recognition do the following e For Windows 7 Click the Start button Then type Speech Recognition into the search field In the list of results click Speech Recognition e For Windows 8 or Windows 8 1 Move your pointer to the top right or bottom right corner of the screen to display the charms and click Search Then type Speech Recognition into the search field In the list of results click Speech Recognition Chapter 3 You and your computer 29 For more information about how to use and configure Speech Recognition see the Windows Help and Support information system Customizable text size Depending on your preference you can change only the text size instead of changing the size of everything on the desktop To change the text size open Control Panel and click Appearances and Personalization gt Display Then go to Change only the text size and set a text size that meets your needs Magnifier Your computer is equipped with the Microsoft Magnifier to help visually impaired people use the computer more comfortably Magnifier is a useful utility that enlarges the entire screen or part of the screen so that you can see the words and images better You can open Magnifier from the Ease of Access Center To open Magnifier do the following e For Windows 7 Click the Start button click All Programs gt Accessories gt Ease of Access and then click Magnifier e For Windows 8 or Windows 8 1 Move your pointer to
36. perform a backup operation using the Rescue and Recovery program on the Windows 7 operating system do the following 84 ThinkCentre M73 User Guide 1 From the Windows desktop click Start gt All Programs gt Lenovo ThinkVantage Tools gt 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 3 Click Back up your hard drive and select backup operation options Then follow the instructions on the screen to complete the backup operation Performing a recovery operation This section provides instructions on how to perform a recovery operation using the Rescue and Recovery program 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 gt All Programs gt Lenovo ThinkVantage Tools gt Enhanced Backup and Restore The Rescue and Recovery program opens 2 Inthe Rescue and Recovery main window click the Launch advanced Rescue and Recovery arrow 3 Click the Restore your system from a backup icon 4 Follow the instructions on the screen to complete the recovery operation For more information about performing a recovery operation from the Rescue and Recovery workspace see Using the Rescue and Recovery workspace on page 85 Using the Rescue and Recovery workspace The Rescue and Recovery workspace reside
37. printer If you cannot correct the problem have the computer serviced See Chapter 11 Getting information help and service on page 121 Serial port problems Use this information to troubleshoot the serial port and devices attached to the serial port Symptom Serial port cannot be accessed Actions e Make sure the serial cable is securely connected to the serial port on the computer and to the serial device If the serial device has its own power cord make sure it is attached to a properly grounded electrical outlet e lf the serial device has its own On Off switch make sure it is in the On position e lf the serial device has an Online switch make sure it is in the Online position e lf the serial device is a printer make sure paper is loaded correctly e Verify that any software supplied with the serial device is correctly installed Refer to the documentation for the serial device option e 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 121 118 ThinkCentre M73 User Guide Software problems Select your symptom from the following list e When using a sort feature dates do not sort in the correct order on page 119 e Software does not work as expected on page 119 When
38. products applies to countries with WEEE and e waste regulations for example European Directive 2002 96 EC India E Waste Management amp Handling Rules 2011 Appliances are labeled in accordance with local regulations concerning waste electrical and electronic equipment WEEE These regulations determine the framework for the return and recycling of used appliances as applicable within each geography This label is applied to various products to indicate that the product is not to be thrown away but rather put in the established collection systems for reclaiming these end of life products Users of electrical and electronic equipment EEE with the WEEE marking must not dispose of end of life EEE as unsorted municipal waste but use the collection framework available to them for the return recycle and recovery of WEEE and to minimize any potential effects of EEE on the environment and human health due to the presence of hazardous substances For additional WEEE information go to http www lenovo com recycling Recycling information for Japan 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 Computers and monitors are categorized as industrial waste and should be properly disposed of by an industrial waste disposal
39. the front audio and USB assembly to the bracket 9 Install the front audio and USB assembly bracket to the chassis and align the screw hole in the bracket with the corresponding hole in the chassis 10 Install the screw to secure the front audio and USB assembly bracket to the chassis 11 Pivot the drive bay assembly upward and reconnect the front USB and front audio cables to the system board See Locating parts on the system board on page 13 12 Lower the drive bay assembly See Accessing the system board components and drives on page 42 13 Reinstall the front bezel See Removing and reinstalling the front bezel on page 40 What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 81 Replacing the system fan assembly 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 system fan assembly 68 ThinkCentre M73 User Guide To replace the system fan 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 outlets and disconnect all cables that are connected to the computer N Remove the computer cover See Removing th
40. the WiFi adapter card Figure 51 Disconnecting the Bluetooth cable Note The Bluetooth cable connects the Bluetooth connector on the WiFi adapter card to the front USB connector on the system board to support the Bluetooth function 4 Remove the screw that secures the WiFi adapter card Chapter 5 Installing or replacing hardware 71 5 Grasp the WiFi adapter card that is currently installed and gently pull it out of the slot Figure 52 Removing the WiFi adapter card Note The card fits tightly into the card slot If necessary alternate moving each side of the card a small amount until it is removed from the card slot Removing the WiFi card module To remove the WiFi card module do the following 1 Remove the WiFi adapter card from the computer and then disconnect the front and rear WiFi antenna cables from the WiFi card module Figure 53 Removing the WiFi antenna cables 72 ThinkCentre M73 User Guide 2 Remove the two screws that secure the WiFi card module to the WiFi adapter card t t Figure 54 Removing the screws that secure the WiFi card module 3 Pull the WiFi card module out of the mini PCI Express slot to remove it from the WiFi adapter card Figure 55 Removing the WiFi card module Installing the WiFi units To install the WiFi units do the following Chapter 5 Installing or replacing hardware 73 1 Insert the WiFi card module into the mini PCI Express slot and then install th
41. 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 40 3 Remove the front bezel See Removing and reinstalling the front bezel on page 40 4 Peel off the paper that protects the stickers on the front antenna Figure 61 Peeling off the paper that protects the stickers Chapter 5 Installing or replacing hardware 77 5 Stick the front antenna to the front panel as shown Then insert the front antenna cable through the hole in the front panel Figure 62 Installing the front WiFi antenna 6 Connect the front antenna cable to the WiFi card module What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 81 Removing the front WiFi antenna To remove the front WiFi antenna 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 40 3 Remove the front bezel See Removing and reinstalling the front bezel on page 40 4 Disconnect the front antenna cable from the WiFi card module 78 ThinkCentre M73 User Guide 5 Remove the front antenna and cable from the front of the computer Figure 63 Removing the front WiFi antenna What to do next e To work wit
42. the monitor Moving a color monitor while it is turned on might cause screen discoloration 2 Adjust the placement of the monitor and other devices so that they are at least 305 mm 12 inches apart 3 Turn on the monitor e You can reset the refresh rate through your operating system Control Panel On the Windows 7 operating system click Start gt Control Panel gt Hardware and Sound gt Adjust screen resolution gt Advanced Settings Then click the Monitor tab and select a new refresh rate On the Windows 8 or Windows 8 1 operating system open Control Panel and click Hardware and Sound gt Adjust screen resolution gt Advanced Settings Then click the Monitor tab and select a new refresh rate Note For detailed information on how to open Control Panel on Windows 8 and Windows 8 1 see Accessing Control Panel on the Windows 8 or Windows 8 1 operating system on page 20 e See your operating system documentation or help for further information on monitor settings If these actions do not correct the problem your monitor might need service See Chapter 11 Getting information help and service on page 121 for details The image is discolored Symptom The image is discolored Action The monitor might be affected by interference from nearby equipment Magnetic fields around other devices such as transformers appliances fluorescent lights and other monitors might be causing the problem Move fluorescent desk ligh
43. your computer all your personal files and settings will be deleted To avoid data loss make a backup copy of all the data that you want to keep To reset your computer do one of the following e For Windows 8 1 Move the pointer to the top right or bottom right corner of the screen to display the charms Click Settings gt Change PC settings gt General 2 In the Remove everything and reinstall Windows section click Get started e For Windows 8 1 1 Move the pointer to the top right or bottom right corner of the screen to display the charms Click Settings gt Change PC settings gt Update and recovery gt Recovery 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 Chapter 6 Recovery information 89 e For Windows 8 1 Move the pointer to the top right or bottom right corner of the screen to display the charms Click Settings gt Change PC settings gt General 2 In the Advanced startup section click Restart now gt Troubleshoot gt Advanced options 3 Restart your computer following the instructions on the screen e For Windows 8 1 1 Move the pointer to the top right or bottom right cor
44. 1 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 g y rotate the wheel controls the direction of the scrolling action EJ Secondary mouse button Use this button to display a menu for the active program icon or object You can switch the function of the primary and secondary mouse buttons and change other default behavior through the mouse properties function in the Windows Control Panel Adjusting audio Sound is an important part of the computer experience Your computer has a digital audio controller built into the system board Some models also have a high performance audio adapter installed in one 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 Each audio solution provides at least three audio connectors audio line in connector audio line out connector and Microphone connector On some models a fourth connector is provided for the attachment of unpowered stereo speakers Speakers that do not require an ac power source The audio adapter provides you with the ability to record and play back sound and music as we
45. 2013 2014 vii For your safety and to maintain optimum computer performance always follow these basic precautions with your desktop computer e Keep the cover closed whenever the computer is plugged in e Regularly inspect the outside of the computer for dust accumulation e Remove dust from vents and any perforations in the bezel More frequent cleanings might be required for computers in dusty or high traffic areas e Do not restrict or block any ventilation openings e Do not store or operate your computer inside furniture as this might increase the risk of overheating e Airflow temperatures into the computer should not exceed 35 C 95 F e Do not install air filtration devices They may interfere with proper cooling Operating environment The optimal environment in which to use your computer is 10 C 35 C 50 F 95 F with humidity ranging between 35 and 80 If your computer is stored or transported in temperatures less than 10 C 50 F allow the cold computer to rise slowly to an optimal operating temperature of 10 C 35 C 50 F 95 F before use This process could take two hours in extreme conditions Failure to allow your computer to rise to an optimal operating temperature before use could result in irreparable damage to your computer If possible place your computer in a well ventilated and dry area without direct exposure to sunshine Keep electrical appliances such as an electric fan radio high powered speaker
46. 73 User Guide 5 To lower the drive bay assembly slightly press the drive bay assembly clip J inward and pivot the drive bay assembly downward as shown Figure 13 Lowering the drive bay assembly Installing or replacing a memory module 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 replace a memory module Your computer has two slots for installing or replacing DDR3 DIMMs that provide up to a maximum of 16 GB system memory When installing or replacing a memory module use 2 GB 4 GB or 8 GB DDR3 DIMMs in any combination up to a maximum of 16 GB To install or replace a memory module do the following 1 Remove the computer cover See Removing the computer cover on page 40 NOOO fF W PY Turn off the computer and disconnect all power cords from electrical outlets Lay the computer on its side for easier access to the system board Remove the heat sink fan duct See Replacing the heat sink and fan assembly on page 58 Locate the memory slots See Locating parts on the system board on page 13 Remove any parts that might prevent access to the memory slots Depending on whether you are installing or replacing a memory module do one of the following Chapter 5 Installing or replacing hardware 43 e f you are replacing an old memory mod
47. 94 Startup without keyboard or mouse Your computer is able to log in to the operating system without keyboard or mouse connected Trusted Platform Module TPM Trusted Platform Module is a secure cryptoprocessor that can store cryptographic keys that protect information stored in your computer Copyright Lenovo 2013 2014 33 Locking the computer cover 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 Figure 7 Installing a padlock 34 ThinkCentre M73 User Guide Attaching a Kensington style cable lock You can use a Kensington style cable lock to secure your computer to a desk table or other non permanent fixture The cable lock attaches to the security lock slot at the rear of your computer and is operated with a key or combination depending on the type selected 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 Kensington style 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 hel
48. H is displayed then click the icon Using a touch screen Do one of the following From the desktop tap the Windows screen control icon E in the bottom left corner of the screen From any other workspace do one of the following e Swipe in and out on the left edge of the screen Representations of all available workspaces are displayed along the left edge of the screen Tap the Windows screen control icon H at the bottom e Swipe in from the right edge of the screen to display the charms then tap Start e From any workspace Start screen desktop PC settings or application opened from the Start screen use any of the following procedures to go to another workspace that you have previously opened To navigate to a previously accessed workspace application setting or desktop do one of the following Chapter 2 Using your computer 19 Using a pointing device 1 Do one of the following e Move the pointer to the extreme top left corner of the screen and then move the pointer downward along the left edge of the screen e 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 Note Only active workspaces that you have accessed during the current Windows session are displayed along the left edge If you close an active workspace its represent
49. Lenovo 2013 2014 135 Tprkiye EEE Yunetmelipine Uygunluk Beyans Bu Lenovo brbnb T C 3evre ve Orman Bakanlaps nen Elektrik ve Elektronik Etoyalarda Baza Zararla Maddelerin Kullanamanan S n rland r lmas na Dair Yunetmelik EEE direktiflerine uygundur EEE Yunetmelipine Uygundur Ukraine RoHS Unm nigtTeepgxyemo LO npogykyuia JleHoBo BignoBigae BuMoramM HOpPMAaTNBHNX aKT B YKpa Hn AK OOMeEXxKylOTb BM CT He6e3nNeYHnx PpeYOBUH India RoHS RoHS compliant as per E Waste Management amp Handling Rules 2011 136 ThinkCentre M73 User Guide Appendix E China Energy Label ok BL it AL RE So TA BA Fy a EP EB ok ot EL BE TA SR A A CLT LER EER AMSR ARRENE R KRBOANRET RASH SARA AMS OREM AAMT 1 MRE ARBRSE LEST RMR RTM RAMERMEAMASS MBit BARE E B BEM SR HE AY H BES A AY m o of 7c DEREX ARIA CHINA ENERGY LABEL EFEZ WRES RA BE RARE kWh 000 0 PERASA XR BEN HAE www energylabel gov cn RERE GB 28380P 2012 Note MA2R se MMRDA PITH RARES MSR Kms MAH RAH SR SBAGRARS MLAS AE AE RIR N EREE A Shi h E BERR M http www energylabel gov cn it 47 i H amp 1 2 MREMBAMEN ORARE MELA HIA HIRAI BD GR TT FAL BE RADIAT HEA A CRA ALR MIRE RAMSR ZHRRARRKRSAAAMH FET HREM E SERBIA ATE MMAR ROA RRP HR BURA She Mi Ee RAK mT SBA SMT PATR EE EAA N A H RRS FARR SE ENAP RRETHANA EAER ERAS mo HRMAP RARE MA oo BRAM EW SSiES BA Be nih A http www energylabel gov cn Co
50. On Screen Keyboard into the search field In the list of results click On Screen Keyboard For more information about how to use and configure On Screen Keyboard see the Windows Help and Support information system Personalized keyboard The tactile bumps on the keyboard provide a reference point from which you can easily locate all keys on the keyboard without visual assistance To adjust your keyboard settings open Control Panel click Ease of Access gt Ease of Access Center and then click Make the keyboard easier to use Industry standard connectors Your computer provides industry standard connectors that enable you to connect assistive devices if needed For more information about the location and function of the connectors see Locating connectors controls and indicators on the front of your computer on page 9 and Locating connectors on the rear of your computer on page 10 Chapter 3 You and your computer 31 TTY TDD conversion modem Your computer supports the use of the text telephone TTY or the telecommunications device for the deaf TDD conversion modem The modem must be connected between your computer and a TTY TDD telephone Then you can type a message on your computer and send it to the telephone Documentation in accessible formats Lenovo provides electronic documentation in accessible formats Lenovo electronic documentation such as properly tagged PDF files or HyperText Markup Language HTML fi
51. RW standard and high speed discs and CD R discs Follow these guidelines when using the DVD drive e Do not place the computer in a location where the drive is exposed to the following High temperature High humidity Excessive dust Excessive vibration or sudden shock An inclined surface Direct sunlight Chapter 2 Using your computer 23 e Do not insert any object other than a CD or DVD into the drive e Before moving the computer remove the CD or DVD from the drive Handling and storing CD and DVD media CD and DVD media are durable and reliable but they do require some care and special handling When handling and storing a CD or DVD follow these guidelines e Hold the disc by its edges Do not touch the surface of the side that is not labeled e To remove dust or fingerprints wipe the disc with a clean soft cloth from the center to the outside Wiping the disc in a circular direction might cause loss of data e Do not write or stick paper on the disc e Do not scratch or mark the disc e Do not place or store the disc in direct sunlight e Do not use benzene thinners or other cleaners to clean the disc e Do not drop or bend the disc e Do not insert damaged discs into the drive Warped scratched or dirty discs can damage the drive Playing a CD or DVD If your computer comes with a DVD drive you can listen to audio CDs or watch DVD movies To play a CD or DVD do the following 1 Press the Ej
52. The socket pins must be kept as clean as possible Figure 46 Removing the microprocessor 7 Ensure that the small handle is in the raised position and the microprocessor retainer is fully open 8 Remove the protective cover that protects the gold contacts of the new microprocessor 66 ThinkCentre M73 User Guide 9 Note the orientation of the new microprocessor Hold the new microprocessor by its edges and align the notches J on it with the tabs Jin the microprocessor socket Then carefully lower the new microprocessor straight down into the microprocessor socket Note The small triangle jon one corner of the new microprocessor is the microprocessor orientation indicator The new microprocessor is in the correct orientation when this indicator points to the beveled corner J of the microprocessor socket Figure 47 Installing the microprocessor 10 Close the microprocessor retainer and lock it into position with the small handle to secure the new microprocessor in the socket 11 Reinstall the heat sink and fan assembly and the fan duct See Replacing the heat sink and fan assembly on page 58 12 Reconnect all cables that were disconnected from the system board What to do next e To work with another piece of hardware go to the appropriate section e To complete the replacement go to Completing the parts replacement on page 81 Replacing the front audio and USB assembly Attention Do not open yo
53. USB connector 1 Chapter 1 Product overview 9 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 J 3 t O HO ORORO POSO OS SRG BOS a O20 a Oa ox ane 2585 0868 O 2 fe e a BoBoRo8o8o8o8o8o20808 O O O Ji Ta o a 2o P 4 me fe g O 8o 25 RAAREE ED EPSP Figure 2 Rear connector locations PCI Express x16 graphics card slot Connector Description Audio line in connector Used to receive audio signals from an external audio device such as a stereo system When you attach an external audio device a cable is connected between the audio line out connector of the device and the audio line in connector of the computer Audio line out connector Used to send audio signals from the computer to external devices such as powered stereo speakers speakers with built in amplifiers headphones multimedia keyboards or the audio line in connector on a stereo system or other external recording device 10 ThinkCent
54. WiFi antenna to the rear WiFi antenna cable connector attached on the rear of the computer Chapter 5 Installing or replacing hardware 75 3 Adjust the angle of the rear antenna to lower the risk of breaking the antenna by accident Figure 59 Installing the rear WiFi antenna What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 81 Removing the rear WiFi antenna To remove the rear WiFi antenna do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Straighten the rear WiFi antenna so that it can be more easily twisted 3 Hold the thicker end of the rear WiFi antenna and unscrew the WiFi antenna from the rear of the computer Figure 60 Removing the rear WiFi antenna What to do next e To work with another piece of hardware go to the appropriate section 76 ThinkCentre M73 User Guide e To complete the installation or replacement go to Completing the parts replacement on page 81 Installing or removing the front WiFi antenna 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 front WiFi antenna Installing the front WiFi antenna To install the front WiFi antenna do
55. You can use the Setup Utility program to view or change the configuration settings of your computer See Chapter 7 Using the Setup Utility program on page 91 for detailed information Your computer system board has a module called electrically erasable programmable read only memory EEPROM also referred to as flash memory You can easily update the POST the BIOS and the Setup 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 Awww lenovo com Instructions for using the POST and BIOS updates are available in a TXT file that is included with the update files For most models you can download either an update program to create a system program update disc or an update program that can be run from the operating system Updating flashing the BIOS from a disc This section provides instructions on how to update flash the BIOS from a disc Note You can download a self starting bootable disc image known as an ISO image with the system program updates to create a system program update disc Go to http www 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
56. abel attached There are no 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 and then disconnect the power cord before cleaning the computer 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 2013 2014 ix X ThinkCentre M73 User Guide 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 To view the information about your specific model do one of the following e Go into the Setup Utility program by following the instructions in Chapter 7 Using the Setup Utility program on page 91 Then select Main gt System Summary to view the information e On the Microsoft Windows 7 operation system click Start right click Computer and select Properties to view the information e On the Microsoft Windows 8 or Windows 8 1 operating system go to the desktop and move your pointer to the top right or bottom right
57. able as options such as CD RW drives and recordable DVD drives e Back up your entire hard disk drive on a regular basis e Keep your computer software up to date See Keeping your computer current on page 99 for more information e Keep a log book Entries might include major software or hardware changes device driver updates intermittent problems and what you did to resolve them and any minor issues you might have experienced 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 e Create Product Recovery discs See Creating and using recovery media on page 83 for more information about using Product Recovery discs to restore the hard disk drive to the factory default settings e Create rescue media See Creating and using a rescue medium on page 86 for more information about using a Rescue medium such as a CD or DVD to recover from failures that prevent you from gaining access to the Windows environment or the Rescue and Recovery workspace on your hard disk drive Moving your computer Take the following precautions before moving your computer 1 Back up all files and data from the hard disk drive There are a variety of backup programs available commercially Your operating system also might have a backup program that you can use Lenovo provides the Rescue and Recovery program to help you back
58. all icons 2 Locate the program by the icon name and then click the program to launch it The following table lists the programs available on the Windows 7 operating system Note Depending on your computer model some of the Lenovo programs might not be available Table 1 Lenovo programs available on the Windows 7 operating system Program name Communications Utility Lenovo Web Conferencing Fingerprint Manager Pro or Lenovo Fingerprint Manager Pro or Lenovo Fingerprint Reader ThinkVantage Fingerprint Software Accessing Lenovo programs on the Windows 8 or Windows 8 1 operating system If your computer is preinstalled with the Windows 8 or Windows 8 1 operating system you can access Lenovo programs by doing one of the following e On the Windows 8 operating system press the Windows key Eto 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 Then click the Search charm to search for the desired program 6 ThinkCentre M73 User Guide On the Windows 8 1 operating system press the Windows key H to go to the Start screen Click a Lenovo program to launch it If you cannot find the program you need click the arrow icon in the bottom left corner of the screen to go to the Apps screen Find the desired program in the apps list or search for it in the search box in the top right corner of the screen
59. alled in some models El Bay 3 Slim card reader drive bay with a slim card reader installed in some models EE Bay 4 SATA hard disk drive bay with a 3 5 inch hard disk drive or a 2 5 inch solid state drive installed 14 ThinkCentre M73 User Guide Machine type and model label The machine type and model label identifies your computer When you contact Lenovo for help the machine type and model information helps support technicians to identify your computer and provide faster service The following is a sample of the machine type and model label Machine Type XXXX Model Number XXX Figure 6 Machine type and model label Chapter 1 Product overview 15 16 ThinkCentre M73 User Guide Chapter 2 Using your computer This chapter provides information on using some of the computer components Frequently asked questions The following are a few tips that will 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 UserManuals Where are my recovery discs Lenovo provides a program that enables you to create recovery discs For details about creating recovery discs see Creating recovery media on page 84 Additionally in case of a hard disk failure you can order Product Recovery discs from the Lenovo Customer Support Center For information about contacting t
60. alternatives on increasing the size of text and other objects see the following e Customizable text size on page 30 e Magnifier on page 30 30 ThinkCentre M73 User Guide e Zoom on page 30 Ease of Access keyboard shortcuts The following table contains keyboard shortcuts that can help make your computer easier to use Keyboard shortcut Function S O Right Shift for eight seconds Num Lock for five seconds Turn Toggle Keys on or off Left Alt Left Shift Num Lock Turn Mouse Keys on or off Left Alt Left Shift PrtScn or PrtSc Turn High Contrast on or off For more information go to http windows microsoft com and then type any of the following keywords for searching keyboard shortcuts key combinations shortcut keys On Screen Keyboard If you prefer to type or enter data into your computer without using a physical keyboard you can use On Screen Keyboard On Screen Keyboard displays a visual keyboard with all the standard keys You can select keys using the mouse or another pointing device or you can tap to select the keys if your computer supports multi touch screen To open On Screen Keyboard do the following e For Windows 7 Click the Start button Then type 0n Screen Keyboard into the search field In the list of results click On Screen Keyboard e For Windows 8 or Windows 8 1 Move your pointer to the top right or bottom right corner of the screen to display the charms and click Search Then type
61. and fingers relaxed Change the angle of the keyboard for maximum comfort by adjusting the position of the keyboard feet 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 Also position other equipment you use regularly such as the telephone or a mouse within easy reach Copyright Lenovo 2013 2014 27 Glare and lighting Position the monitor to minimize glare and reflections from overhead lights windows and other light sources Reflected light from shiny surfaces can cause annoying reflections on your monitor screen Place the monitor at right angles to windows and other light sources when possible Reduce overhead lighting if necessary by turning off lights or using lower wattage bulbs If you install the monitor near a window use curtains or blinds to block the sunlight You can adjust the brightness and contrast controls on the monitor as the room lighting changes throughout the day Where it is impossible to avoid reflections or to adjust the lighting an antiglare filter placed over the screen might be helpful However these filters might affect the clarity of the image on the screen try them only after you have exhausted other methods of reducing glare Dust buildup compounds problems associated with glare Remember to clean your mon
62. and press Enter 4 Press F10 to save changes and exit the Setup Utility program Press Enter when prompted to confirm the exit Viewing and changing settings The Setup Utility program menu lists various items about the system configuration To view or change settings start the Setup Utility program See Starting the Setup Utility program on page 91 Then follow the instructions on the screen You can use either the keyboard or the mouse to navigate through BIOS menu choices The keys used to perform various tasks are displayed at the bottom of each screen Using passwords By using the Setup Utility program you can set passwords to prevent unauthorized access to your computer and data The following types of passwords are available Copyright Lenovo 2013 2014 91 e Power On Password e Administrator Password e Hard Disk Password You do not have to set any passwords to use your computer However using passwords improves computing security If you decide to set any passwords read the following sections Password considerations A password can be any combination of up to 64 alphabetic and numeric characters For security reasons it is recommended to use a strong password that cannot be easily compromised To set a strong password use the following guidelines e Have at least eight characters in length e Contain at least one alphabetic character and one numeric character e Setup Utility program and hard disk pas
63. and release the F12 key when turning on the computer When the Please select boot device window opens release the F12 key 3 Select the desired startup device and press Enter The restore process begins 4 Follow the instructions on the screen to complete the operation Note After restoring your computer hard disk drive to the factory default state you might have to reinstall device drivers for some devices See Reinstalling device drivers on page 88 Performing backup and recovery operations The Rescue and Recovery program enables you to back up all your hard disk drive contents including the operating system data files software programs and personal settings You can designate where the Rescue and Recovery program stores the backup e Ina protected area of your hard disk drive e On the secondary hard disk drive if a secondary hard disk drive is installed in your computer e On an attached external USB hard disk drive e On a network drive e On recordable discs a recordable optical drive is required for this option After you have backed up the contents of the hard disk drive you can restore the complete contents of the hard disk drive restore selected files only or restore the Windows operating system and applications only while keeping the other data on your hard disk drive Performing a backup operation This section provides instructions on how to perform a backup operation using the Rescue and Recovery program To
64. and support information from Lenovo and Microsoft such as updating drivers accessing programs and accessing user manuals To access the Windows Help and Support information system do one of the following e On the Windows 7 operating system click Start gt Help and Support e On the Windows 8 or Windows 8 1 operating system move the pointer to the top right or bottom right corner of the screen to display the charms Then click Settings gt Help Safety and Warranty The Safety Warranty and Setup Guide that is provided with your computer contains information on safety setup warranty and notices Read and understand all safety information before using this product Lenovo Web site The Lenovo Web site http Awww lenovo com provides up to date information and services to help you buy upgrade and maintain your computer You can also do the following e Shop for desktop and notebook computers monitors projectors upgrades and accessories for your computer and special offers e Purchase additional services such as support for hardware operating systems application programs network setup and configuration and custom installations e Purchase upgrades and extended hardware repair services e Download the latest device drivers and software updates for your computer model e Access the online manuals for your products e Access the Lenovo Limited Warranty e Access troubleshooting and support information for your comput
65. aries depending on the keyboard type e The context menu key is located next to the Ctrl key on the right side of the Spacebar Pressing the context menu key opens the context menu for the active program icon or object Note You can use the mouse or the Up and Down arrow keys to highlight menu selections On the Windows 7 operating system you can close the Start menu or the context menu by clicking the mouse or pressing Esc Using a fingerprint reader The integrated fingerprint reader provided on some keyboards enables you to enroll your fingerprint and associate it with your power on password hard disk password and Windows password As a result fingerprint authentication can replace passwords and enable simple and secure user access A fingerprint reader keyboard is available with select computers or can be purchased for computers that support this option To open Fingerprint Manager Pro or ThinkVantage Fingerprint Software and use the fingerprint reader do the following e On the Windows 7 operating system see Accessing Lenovo programs on the Windows 7 operating system on page 5 e On the Windows 8 1 operating system see Accessing Lenovo programs on the Windows 8 or Windows 8 1 operating system on page 6 Follow the on screen instruction For more information about using the fingerprint reader refer to the help system of Fingerprint Manager Pro or ThinkVantage Fingerprint Software Chapter 2 Using your computer 2
66. ated device drivers from the Windows 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 See Getting the latest device drivers for your computer on page 99 for more information To access the Microsoft Windows Update site do the following 1 Go to http windowsupdate microsoft com 2 Follow the instructions on the screen Copyright Lenovo 2013 2014 99 Using System Update 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 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 operating system to determine what updates are available for your computer The System Update program then displays a list of update packages and categorizes each update as critical recommended and optional to help you understand the importance You have complete control of which updates to download and install After you select the update packages you want the System Update program automatically downloads and installs the updates without any fu
67. ating system on page 99 e Using System Update on page 100 Getting the latest device drivers for your computer 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 You can download and install updated device drivers from the Lenovo Web site by doing the following 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 1 Go to http www lenovo com support Click Downloads and drivers Select the machine type of your computer from the machine type list Click the category of device for which you need the device driver Click the appropriate device driver ook Ww PY Download and install the device driver Updating your operating system Microsoft makes updates available for the various Windows operating systems through the Microsoft Windows Update Web site The Web site automatically determines what Windows updates are available for your specific computer and lists those updates only Updates could include security fixes new versions of Windows components such as Media Player fixes to other portions of the Windows operating system or enhancements Attention Do not download upd
68. ation does not display along the left edge of the screen 2 Click the representation Using a touch screen e Method 1 1 Swipe in and out on the left edge of the screen Representations of all available workspaces are displayed along the left edge of the screen 2 Tap the desired workspace e Method 2 1 Swipe in from the left edge of the screen to navigate to the next available workspace 2 Repeat step 1 until you navigate to the desired workspace To navigate to the most recently accessed workspace application PC settings or desktop do one of the following Using a pointing device Move the pointer to the extreme top left corner of the screen until the Windows screen control icon a is displayed then click the icon Using a touch screen Swipe in from the left edge of the screen For information about using other features of the Windows 8 1 operating system open the Help Tips application from the Start screen or Apps screen or refer to the Windows Help and Support information system For more information see Help and Support on page 121 Accessing Control Panel on the Windows 8 or Windows 8 1 operating system On the Windows operating system you can view and change computer settings through Control Panel To access Control Panel on the Windows 8 or Windows 8 1 operating system do one of the following e From the desktop 1 Move the pointer to the top right or bottom right corner of the screen to
69. bly cable Figure 10 Removing the front bezel 4 To reinstall the front bezel align the other three plastic tabs on the bottom of the front bezel with the corresponding holes in the chassis then pivot the front bezel inward until it snaps into position Figure 11 Reinstalling the front bezel What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 81 Chapter 5 Installing or replacing hardware 41 Accessing the system board components and drives 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 access the system board components and drives To access the system board components and drives do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer 2 Remove the computer cover See Removing the computer cover on page 40 3 Remove the front bezel See Removing and reinstalling the front bezel on page 40 4 Pivot the drive bay assembly upward to access all the internal drives cables and other components Figure 12 Pivoting the drive bay assembly upward 42 ThinkCentre M
70. cles Do not use any power adapter that shows corrosion at the ac input pins or shows signs of overheating such as deformed plastic at the ac input or anywhere on the power adapter 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 Extension cords and related devices Ensure that extension cords surge protectors uninterruptible power supplies and power strips that you use are rated to handle the electrical requirements of the product Never overload these devices If power strips are used the load should not exceed the power strip input rating Consult an electrician for more information if you have questions about power loads power requirements and input ratings vi ThinkCentre M73 User Guide Plugs and outlets If a receptacle power outlet that you intend to use with your computer equipment appears to be damaged or corroded do not use the outlet until it is replaced by a qualified electrician Do not bend or modify the plug If the plug is damaged contact the manufacturer to obtain a replacement Do not share an electrical outlet with other home or commercial appliances that draw large amounts of electricity otherwise unstable voltage might damage your computer data or attached devices Some products are equipped with a three pronged plug This plug fits only into a grounded electrical outlet
71. cue and Recovery program manually before enabling its features To install the Rescue and Recovery program do the following a Click Start gt All Programs gt Lenovo ThinkVantage Tools and double click Enhanced Backup and Restore b Follow the instructions on the screen c When the installation process completes the Enhanced Backup and Restore icon is activated 2 There are a variety of methods to choose from when considering how to recover in the event of a software or hardware related problem Some methods vary depending on the type of operating system that is installed 3 The product on the recovery media may be used only for the following purposes e Restore the product preinstalled on your computer e Reinstall the product e Modify the product using the Additional Files Creating and using recovery media You can use recovery media to restore the hard disk drive to the factory default state Recovery media are useful if you transfer the computer to another area sell the computer recycle the computer or put the computer in an operational state after all other methods of recovery have failed As a precautionary measure it is important to create recovery media as early as possible Note The recovery operations you can perform using recovery media vary depending on the operating system from which the recovery media were created The recovery media might contain a boot medium and a data medium Your Microsoft Windows license per
72. d comfort Good ergonomic practice is important to get the most from your personal computer and to avoid discomfort Arrange your workplace and the equipment you use to suit your individual needs and the kind of work that you perform In addition use healthy work habits to maximize your performance and comfort while using your computer The following topics provide information about arranging your work area setting up your computer equipment and establishing healthy work habits Arranging your workspace To get the most from your computer arrange both the equipment you use and your work area to suit your needs and the kind of work you do Your comfort is of foremost importance but light sources air circulation and the location of electrical outlets can also affect the way you arrange your workspace Comfort Although no single working position is ideal for everyone here are a few guidelines to help you find a position that suits you best Sitting in the same position for a long time can cause fatigue 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 thighs Adjust the seat so that your thighs are parallel to the floor and your feet are either flat on the floor or on a footrest When using the keyboard keep your forearms parallel to the floor and your wrists in a comfortable position Use a light touch on the keyboard and your hands
73. d individual user settings For more information see Help and Support on page 121 Configuring the fingerprint reader If your keyboard has a fingerprint reader you can configure the fingerprint reader in the Setup Utility program The Fingerprint Setup submenu under the Security menu of the Setup Utility program provides the following options e Preboot Authentication enables or disables the fingerprint authentication for accessing the BIOS e Erasing Fingerprint Data clears the fingerprint data stored in a fingerprint reader To configure the fingerprint reader do the following 1 Start the Setup Utility program 2 From the Setup Utility program main menu select Security gt Fingerprint Setup and press Enter The Fingerprint Setup window opens 3 Select Preboot Authentication or Erasing Fingerprint Data as desired and press Enter 4 Select the desired settings and press Enter 5 Press F10 to save changes and exit the Setup Utility program Press Enter when prompted to confirm the exit Using and understanding firewalls A firewall can be hardware software or a combination of both depending on the level of security required Firewalls work on a set of rules to determine which inbound and outbound connections are authorized If your computer is preinstalled with a firewall program it helps protect against computer Internet security threats unauthorized access intrusions and Internet attacks It also protect
74. d or confirmation type the password or provide confirmation 4 If an exclamation mark is displayed next to an adapter name under Network adapters you might not be using 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 Chapter 10 Troubleshooting and diagnostics 113 e The switch port and the adapter have the same duplex setting If you configured the adapter for full duplex ensure that the switch port is also configured for full duplex Setting the wrong duplex mode can degrade performance cause data loss or result in lost connections e You have installed all networking software that is necessary for your network environment Check with your LAN administrator for the necessary networking software The adapter stops working for no apparent reason Symptom The adapter stops working for no apparent reason 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 Actions e Make sure that WOL is enabled in the BIOS Setup Utility program e f it is check with your LAN administrator for the necessary settings If your computer is a Gigabit Ethernet model and y
75. d right click on the taskbar 2 Click Properties The Taskbar and Navigation properties window is displayed 3 On the Navigation tab locate the Start screen section and then do one of the following e To set the desktop as your default startup screen select When I sign in or close all apps on a screen go to the desktop instead of Start so a check is visible e To set the Start screen as your default startup screen remove the check from the When I sign in or close all apps on the screen go to desktop instead of Start checkbox 4 Click OK to save the new setting This feature is not available on the Windows 8 operating system Copyright Lenovo 2013 2014 17 Navigating among screens on the Windows 8 and Windows 8 1 operating systems This section provides instructions on how to navigate among the desktop the Start screen and applications that were opened from the Start screen on the Windows 8 and Windows 8 1 operating systems For detailed instructions see Navigating on Windows 8 on page 18 or Navigating on Windows 8 1 on page 19 Navigating on Windows 8 To navigate among the desktop the Start screen and applications that were opened from the Start screen on the Windows 8 operating system do one of the following e From the Start screen do one of the following to navigate to the most recently accessed workspace application PC settings or desktop Using a pointing device Move the pointer to the
76. date Windows 7 Windows 8 and Windows 8 1 The System Update program helps you keep the software on your computer up to date by downloading and installing software update packages Lenovo programs device drivers UEFI BIOS updates and other third party programs e View Management Utility Windows 7 The View Management Utility program enables you to easily organize your open windows It divides your screen into multiple parts and then resizes and positions open windows into different parts to make the 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 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 NA N7 WWE co ma E lt ie Pa 0 lt 5 as g E Optical drive eject close button E Power button El Hard disk drive activity indicator EJ Power indicator H USB 2 0 connector USB connector 2 i Microphone connector Headphone connector EJ USB 2 0 connector
77. device Select the desired settings and press Enter Press F10 to save and exit the Setup Utility program See Exiting from the Setup Utility program on page 96 Chapter 7 Using the Setup Utility program 93 Selecting a startup device If your computer does not start up from a device such as the disc or hard disk drive as expected do one of the following to select the startup device you want Selecting a temporary startup device Use this procedure to select a temporary startup device Note Not all discs and hard disk drives are bootable 1 Turn off your computer 2 Repeatedly press and release the F12 key when turning on the computer When the Please select boot device window displays release the F12 key 3 Select the desired startup device and press Enter The computer will start up from the device you selected Note Selecting a startup device from the Please select boot device window does not permanently change the startup sequence Selecting or changing the startup device sequence To view or permanently change the configured startup device sequence do the following 1 Start the Setup Utility program See Starting the Setup Utility program on page 91 2 From the Setup Utility program main menu select Startup 3 Select the devices for the Primary Startup Sequence the Automatic Startup Sequence and the Error Startup Sequence Read the information displayed on the right side of the screen 4
78. dware Installing external options Removing the computer cover Removing and reinstalling the front bari Accessing the cute board PEPERONI and drives Installing or eplaciig a memory module Installing or replacing a PCI Express card Replacing the battery Replacing the hard disk drive Replacing the solid state drive Installing or replacing the optical drive Replacing the heat sink and fan assembly Replacing the power supply assembly Replacing the microprocessor 23 24 24 24 27 27 27 27 28 28 28 28 32 32 33 33 34 35 35 35 36 36 36 36 39 39 39 39 40 40 42 43 45 47 48 50 55 58 61 65 Replacing the front audio and USB assembly Replacing the system iah Ssseinbi Replacing the WiFi units Installing or removing the rear WiFi antenna Installing or removing the front WiFi antenna Replacing the keyboard Replacing the mouse Completing the parts fanlabamishi Chapter 6 Recovery information Recovery information for the Windows 7 operating system Se he Ss Creating aha using recovery media Performing backup and recovery operations Using the Rescue and Recovery workspace Creating and using a rescue medium Reinstalling preinstalled applications and device drivers Reinstalling software programs Reinstalling device drivers Solving recovery problems Recovery information for the Windows 8 or Windows 8 1 operating system Refreshing you
79. e computer cover on page 40 w Remove the front bezel See Removing and reinstalling the front bezel on page 40 4 Pivot the drive bay assembly upward to gain access to the system fan assembly See Accessing the system board components and drives on page 42 Remove the hard disk drive for easier access to the system fan assembly See Replacing the hard disk drive on page 48 6 Remove the heat sink fan duct See Replacing the heat sink and fan assembly on page 58 ao 7 Note the cable routing and disconnect the system fan assembly cable from the system fan connector on the system board See Locating parts on the system board on page 13 8 The system fan assembly is attached to the chassis by four rubber mounts Remove the system fan assembly by cutting the rubber mounts and lifting the system fan assembly out of the chassis Note The new system fan assembly will have four new rubber mounts attached Figure 49 Removing the system fan assembly Chapter 5 Installing or replacing hardware 69 9 Install the new system fan assembly by aligning the new rubber mounts that came with the new system fan assembly with the corresponding holes in the 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 50 Installing the system fan assembly
80. e computer to sleep After 25 minutes e Advanced power settings Turn off hard disk drives After 20 minutes Hibernate Never To awaken your computer from a Sleep or Standby mode press any key on your keyboard For more information about these settings refer to your Windows Help and Support information system Copyright Lenovo 2013 2014 139 140 ThinkCentre M73 User Guide Index A a rescue medium creating and using 86 accessing system board components and drives 42 Administrator password 92 audio line in connector 10 audio line out connector 10 audio subsystem 1 backup and recovery operations 84 basic troubleshooting 103 battery replacing 47 boot block recovery 98 C cable lock security 35 cables connecting 81 changing password 92 startup device sequence 94 cleaning an optical mouse 101 CMOS clearing 93 components internal 12 computer cover opening 40 connector 10 connectors rear 10 connectors controls indicators frot 9 considerations passwords 92 creating and using a rescue medium 86 creating and using recovery media 83 CRU completing the installation 81 customer support center 122 D deleting a password 92 Description 10 device drivers 82 devices handling static sensitive 39 diagnostics program using 122 diagnostics troubleshooting 103 DisplayPort connector 11 documentation using 122 drivers device 82 drives Copyright Lenovo 2013 2014
81. e following 1 Open File Explorer 2 Right click your C drive entry and then click Properties The amount of free disk space is displayed To free up disk space do any of the following e Method 1 1 On the Windows 7 operating system click Start gt Computer On the Windows 8 operating system open File Explorer and click Computer On the Windows 8 1 operating system open File Explorer 2 Right click your C drive entry and then click Properties 3 Click Disk Cleanup 4 A list of unnecessary file categories is displayed Select each file category you want to delete and then click OK 116 ThinkCentre M73 User Guide e Method 2 1 Open Control Panel Note For detailed information on how to open Control Panel on Windows 8 and Windows 8 1 see Accessing Control Panel on the Windows 8 or Windows 8 1 operating system on page 20 2 Click Programs 3 Click Turn Windows features on or off 4 A list of optional Windows components is displayed Follow the instructions on the screen e Method 3 1 On the Windows 7 operating system click Start gt Computer On the Windows 8 operating system open File Explorer and click Computer On the Windows 8 1 operating system open File Explorer Right click your C drive entry and then click Properties Click Disk Cleanup Click Clean up system files Click the More Options tab In the Programs and Features area click the Clean up button N OO fh W LD Alist
82. e system board See Locating parts on the system board on page 13 to identify the various connectors on the system board What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 81 Replacing the battery Attention Do not open your computer or attempt any repair before reading and understanding the 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 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 If the battery fails the date time and configuration information including passwords are lost An error message is displayed when you turn on the computer Refer to the Lithium battery notice in the Safety Warranty and Setup Guide for information about replacing and disposing of the battery To replace the battery do the following 1 Turn off the computer and disconnect all power cords from electrical outlets Chapter 5 Installing or replacing hardware 47 2 Remove the computer cover See Removing the computer cover on page 40 3 Locate the battery See Locating parts on the system board
83. e the older configuration settings do not solve the problem or have adverse effects To restore a captured configuration do the following e For Windows 7 Click Start gt Control Panel gt System and Security gt System gt System Protection gt System Restore e For Windows 8 or Windows 8 1 Open Control Panel and then click System and Security gt System gt System Protection gt System Restore Note For detailed information on how to open Control Panel on Windows 8 and Windows 8 1 see Accessing Control Panel on the Windows 8 or Windows 8 1 operating system on page 20 If this does not correct the problem continue with the next step 6 Run the diagnostic program See Lenovo Solution Center on page 120 for more information e f the diagnostic program detects a hardware failure contact the Lenovo Customer Support Center See Chapter 11 Getting information help and service on page 121 for more information e f you are unable to run the diagnostic program contact the Lenovo Customer Support Center See Chapter 11 Getting information help and service on page 121 for more information e If the diagnostic program does not detect a hardware failure continue with the next step 7 Use an antivirus program to see if your computer has been infected by a virus If the program detects a virus remove the virus 8 If none of these actions solve the problem seek technical assistance See Chapter 11 Ge
84. e two screws to secure the WiFi card module to the WiFi adapter card Figure 56 Installing the WiFi card module 2 Connect the front antenna cable and rear antenna cable to the WiFi card module Figure 57 Connecting the WiFi antenna cables 74 ThinkCentre M73 User Guide 3 Locate the two PCI Express x1 slots on the system board See Locating parts on the system board on page 13 4 If the installed WiFi card module supports the Bluetooth function use a Bluetooth cable to connect the Bluetooth connector on the WiFi adapter card to the front USB connector on the system board 5 Install the WiFi adapter card into one of the two PCI Express x1 slots Then install the screw to secure the WiFi adapter card in place Figure 58 Installing the WiFi adapter card What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 81 Installing or removing the rear WiFi antenna 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 rear WiFi antenna Installing the rear WiFi antenna To install the rear WiFi antenna do the following 1 Turn off the computer and disconnect all power cords from electrical outlets 2 Install the rear
85. ect Load button on the DVD drive to open the tray 2 With the tray fully extended insert the CD or DVD into the tray Some DVD drives have a snap hub in the center of the tray If your drive has a snap hub support the tray with one hand and then push on the center of the CD or DVD until it snaps into place 3 Press the Eject Load button again or gently push the tray forward to close the tray The CD or DVD player program starts automatically For additional information refer to the CD or DVD player program help system To remove a CD or DVD from the DVD drive do the following 1 With the computer on press the Eject Load button When the tray slides out automatically carefully remove the disc 2 Close the tray by pressing the Eject Load button or by gently pushing the tray forward Note If the tray does not slide out of the drive when you press the Eject Load button insert a straightened paper clip into the emergency eject hole located on the front of the DVD drive Be sure the drive is powered off when using the emergency eject Use the Eject Load button instead of the emergency eject except in an emergency Recording a CD or DVD 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 e On the Windows 7 operating system you have either the Corel DVD MovieFactory Lenovo Edition program or the Power2Go program installed on your computer
86. ed does not work Action Verify that e The option is designed for your computer e You followed the installation instructions supplied with the option and the installation instructions provided with your computer and all option files such as device drivers if required are installed correctly e You have not loosened other installed options or cables e If the option is an adapter you have provided enough hardware resources for the adapter to function correctly See the documentation supplied with the adapter as well as the documentation for any other installed adapters to determine the resources required for each adapter 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 121 An option that previously worked does not work now Symptom An option that previously worked does not work now Chapter 10 Troubleshooting and diagnostics 115 Actions e Verify that all option hardware and cable connections are secure e lf the option comes with its own test instructions use those instructions to test the option e If the failing option is a SCSI option verify that The cables for all external SCSI options are connected correctly The last option in each SCSI chain or the end of the SCSI cable is terminated correctly All external SCSI options are turned on External SCSI options must be tu
87. einstalled applications and device drivers Your computer has provisions that enable you to 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 computer 2 Use Windows Explorer or Computer to display the directory structure of your hard disk drive 3 Go to the C SWTOOLS directory 4 Open the apps folder Within the apps folder there are several subfolders named for various applications installed in your computer oO Open the appropriate application subfolder 6 In the application subfolder look for a SETUP EXE file or other appropriate EXE files for setup Double click the file and follow the instructions on the screen to complete the installation Reinstalling preinstalled device drivers 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 device driver for a factory installed device do the following 1 Turn on the computer 2 Use Windows Explorer or Computer to display the directory structure of your hard disk drive 3 Go to the
88. el Chapter 2 Using your computer Frequently asked questions Navigating among screens on the Windows 8 and Windows 8 1 operating systems Navigating on Windows 8 Navigating on Windows 8 1 Accessing Control Panel on the Windows 8 or Windows 8 1 operating system Using the keyboard Using Windows shortcut keye Using a fingerprint reader Using the wheel mouse Adjusting audio About your computer ide Setting the volume from the desktop Setting the volume from Control Panel Copyright Lenovo 2013 2014 lt vi vi vii vii vii viii viii ix aa l 10 12 13 14 15 17 17 18 18 19 20 21 21 21 22 22 22 22 23 Using CDs and DVDs Handling and storing CD and DVD fried Playing a CD or DVD Recording a CD or DVD Chapter 3 You and your computer Accessibility and comfort Arranging your workspace Comfort Glare and lighting Air circulation Electrical outlets and Sabie lanoi Accessibility information Registering your computer Moving your computer to another int or region ae Chapter 4 Security Security features sb 4 Locking the computer cover Attaching a Kensington style cable isek Using passwords BIOS passwords Windows passwords Configuring the fingerprint reader Using and understanding firewalls Protecting data against viruses Chapter 5 Installing or replacing hardware Handling static sensitive devices Installing or replacing har
89. eleting a password on page 92 3 From the Security submenu select Chassis Intrusion Detection gt Enabled The cover presence switch connector on the system board is enabled When the cover presence switch detects that your computer cover is not properly installed or closed when you turn on the computer an error message will be displayed To bypass the error message and log in to the operating system do the following 1 Properly install or close your computer cover See Completing the parts replacement on page 81 2 Press F1 to enter the Setup Utility program Then press F10 to save and exit the Setup Utility program The error message will not be displayed again Ability to enable and disable devices and USB connectors For more information see Enabling or disabling a device on page 93 Integrated fingerprint reader available on some models Depending on the models of your computer the keyboard may have an integrated fingerprint reader By enrolling your fingerprint and associating it with a Power on Password a Hard Disk Password or both passwords beforehand you can start the computer log on to the system and enter the Setup Utility program by swiping your finger over the reader without typing a password Thus fingerprint authentication can replace passwords and enable simple and secure user access Startup sequence control For more information see Selecting or changing the startup device sequence on page
90. em for detailed information To reinstall the program do one of the following Note The method of reinstalling a program varies from program to program Refer to the documentation provided with the program to see if your program has special installation instructions e To reinstall most commercially available programs in your system see Microsoft Windows help system for more information e To reinstall selected application programs that came preinstalled from Lenovo do the following 1 Turn on the computer 2 Use Windows Explorer or Computer to display the directory structure of your hard disk drive 3 Go to the C SWTOOLS directory 4 Open the APPS folder Within the APPS folder there are several subfolders named for various applications installed in your computer 5 Open the appropriate application subfolder 6 In the application subfolder look for a SETUP EXE file or other appropriate EXE files for setup Double click the file and follow the instructions on the screen to complete the installation Reinstalling device drivers To reinstall a device driver for an option you installed refer to the documentation that comes with the option 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 For more information about reinstalling device drivers that came with your computer see Reinstal
91. ement 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 ErP LPS compliance mode The energy related products directive ErP lowest power state LPS compliance mode reduces the consumption of electricity when your computer is in sleep or off mode For more information see Enabling ErP LPS compliance mode on page 94 Preboot Execution Environment PXE The Preboot Execution Environment is an environment to start computers using a network interface independent of data storage devices such as the hard disk drive or installed operating systems Intelligent Cooling Engine ICE The Intelligent Cooling Engine is a system thermal management solution that enables your computer to run with better thermal and acoustic performance The ICE function also monitors the thermal performance of your computer to identify thermal problems For more information see ICE performance mode on page 95 and ICE thermal alert on page 95 System Management SM Basic Input Output System BIOS and SM software The SM BIOS specification defines data structures and access methods in a BIOS that allows a user or application to store and retrieve info
92. ements of Directive 2011 65 EU on the restriction of the use of certain hazardous substances in electrical and electronic equipment RoHS recast or ROHS 2 For more information about Lenovo progress on RoHS go to http www lenovo com social_responsibility us en ROHS_Communication pdf China RoHS PmthAasAaA SVR AZHAMReS AeA ED RTC BBP EA BK Hb RUD Cd AME ZRER LRK Cr VD PBB PBDE MAG AL X O O O O O HE k TER X O O O O O JK X O O O O O J X O O O O O EIKI PAE X O 0 0 O 0 pA X O O O O O Fe X O O O O O RU X O O O O O HLH PAE X O O O O O O Ream RA EARE RE TA AA BS EES J T 11363 2006 PERLE AY Be et BER WE XK RNA TEA BRB AAI EA SE BY OPS cB HES J T1 1363 2006 BERNE AY Be tet BEE KRPA XW TAT EE PETER BEROHS YER EP FBR ZA ee CLF EW Mil PRA AE HEA AE Rea RRRS R ARRAS S AW EMA GME WAKEN HE TEP AE A HA ESE AES A fs A m i as PK A h OF FBP ARETE TE AS EIR AS FAP m OFA RD SO 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 EEE Copyright
93. equence 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 121 DVD problems Select your symptom from the following list e Black screen instead of DVD video on page 107 e DVD movie will not play on page 108 e No audio or intermittent audio while playing DVD movie on page 108 e Playback is very slow or choppy on page 108 e Invalid disc or no disc found message on page 108 Black screen instead of DVD video Symptom Black screen instead of DVD video Chapter 10 Troubleshooting and diagnostics 107 Actions e Restart the DVD player program e Close any open files turn off the computer and then restart the computer e 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 121 DVD movie will not play Symptom DVD movie will not play Actions e Make sure that the disc surface is clean and not scratched e Check the disc or package for regional coding You might need to purchase a disc with coding for the region where you are using your computer If these actions do not correct the problem run the Len
94. er Windows 7 Windows 8 and Windows 8 1 The Password Manager program automatically captures and fills in authentication information for Windows programs and Web sites PC Cloud Manager Windows 7 and Windows 8 1 The PC Cloud Manager PCM program is a browser based solution for client computer management The PCM program has two components PCM Server and PCM Client PCM Server is installed on the computer where the administrator performs management work such as power management and security management PCM Client is installed on the client computers to be managed The administrator can log in to PCM Server to manage computers with PCM Client installed through the Internet Web browser Power Manager Windows 7 Windows 8 and Windows 8 1 The Power Manager program provides convenient flexible and complete power management for your computer It enables you to adjust your computer power settings to achieve the best balance between performance and power saving Recovery Media Windows 7 The Recovery Media program enables you to restore the contents of the hard disk drive to the factory default settings Rescue and Recovery Windows 7 The Rescue and Recovery program is a one button recovery and restore solution that includes a set of self recovery tools to help you diagnose computer problems get help and recover from system crashes even if you cannot start the Windows operating system ThinkCentre M73 User Guide e System Up
95. er model and other supported products e Find the service and support phone numbers for your country or region Copyright Lenovo 2013 2014 121 e Find a Service Provider located near you Lenovo Support Web site Technical support information is available on the Lenovo Support Web site at http www lenovo com support This Web site is updated with the latest support information such as the following e Drivers and software e Diagnostic solutions e Product and service warranty e Product and parts details e User guides and manuals e Knowledge base and frequently asked questions Help and service This section contains information about obtaining help and service Using the documentation and diagnostic program If you experience a problem with your computer see Chapter 10 Troubleshooting and diagnostics on page 103 For information on additional resources to help you troubleshoot your computer problem see Information resources on page 121 If you suspect a software problem see the documentation that comes with the operating system or software program including readme files and online help 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 Calling for service During the warranty period you can get help and infor
96. essage Unauthorized WAN card is plugged in Power off and remove the WAN card Action The WAN card is not supported on this computer Remove it Note Some computer models do not have a wireless WAN Bluetooth problem Symptom Sound does not come from the Bluetooth headset or headphone but comes from the local speaker even though the headset or headphone is connected using the Headset profile or AV profile Action Do the following 1 Exit the application that uses the sound device for example Windows Media Player 2 Open Control Panel Note For detailed information on how to open Control Panel on Windows 8 and Windows 8 1 see Accessing Control Panel on the Windows 8 or Windows 8 1 operating system on page 20 3 Click Hardware and Sound Sound 4 Select the Playback tab 5 If you are using the Headset profile select Bluetooth Hands free Audio and click the Set Default button If you are using the AV profile select Stereo Audio and click the Set Default button 6 Click OK to close the Sound window Option problems Use this information to diagnose problems with Lenovo hardware options that do not have their own troubleshooting information Select your symptom from the following list e An option that was just installed does not work on page 115 e An option that previously worked does not work now on page 115 An option that was just installed does not work Symptom An option that was just install
97. extreme bottom left corner of the screen until a small representation of the workspace is displayed then click the representation Using a touch screen Swipe in and out on the left edge of the screen Representations of all available workspaces are displayed along the left edge of the screen Tap the representation of the workspace at the bottom Note The representation of a workspace is displayed only if you have at least one active workspace in the background of the system e From the desktop or any other workspace that is opened from the Start screen do one of the following to navigate to the Start screen Using a pointing device Move the pointer to the extreme bottom left corner of the screen until a small representation of the Start screen is displayed then click the representation Using a touch screen Do one of the following Swipe in and out on the left edge of the screen Representations of all available workspaces are displayed along the left edge of the screen Tap the representation of the Start screen at the bottom Swipe in from the right edge of the screen to display the charms then tap Start e From any workspace Start screen desktop PC settings or application opened from the Start screen use any of the following procedures to go to another workspace that you have previously opened To navigate to a previously accessed workspace application PC settings or desktop do one of the foll
98. formation Copyright Lenovo 2013 2014 103 smote SSC SSCSC S The operating system does not Verify that start e The startup sequence includes the device where the operating system resides Usually the operating system is on the hard disk drive For more information see Selecting a startup device on page 94 The computer beeps multiple Verify that no keys are stuck times before the operating system starts Troubleshooting procedure Use the following procedure as a starting point for diagnosing problems you are experiencing with your computer 1 Verify that the cables for all attached devices are connected correctly and securely 2 Verify that all attached devices that require ac power are connected to properly grounded functioning electrical outlets 3 Verify that all attached devices are 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 91 4 Go to the Troubleshooting on page 104 and follow the instructions for the type of problem you are experiencing If the Troubleshooting information does not help you resolve a problem continue with the next step 5 Try using a previously captured configuration to see if a recent change to hardware or software settings has caused a problem Before restoring a previous configuration capture your current configuration in cas
99. h another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 81 Replacing the keyboard 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 keyboard To replace the keyboard do the following 1 Remove all media from the drives Then turn off all attached devices and the computer 2 Disconnect all power cords from electrical outlets 3 Disconnect the old keyboard cable from the computer 4 Connect a new keyboard to the appropriate connector on the computer Your keyboard might be connected to a PS 2 keyboard connector J or a USB connector Depending on where you want to connect your keyboard 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 Chapter 5 Installing or replacing hardware 79 Figure 64 Keyboard connectors What to do next e To work with another piece of hardware go to the appropriate section e To complete the replacement go to Completing the parts replacement on page 81 Replacing the mouse Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information
100. he Customer Support Center see Chapter 11 Getting information help and service on page 121 Before using the Product Recovery discs refer to the documentation that comes with the discs Attention A Product Recovery disc package might contain multiple discs Make sure you have all of the discs ready before starting the recovery process During the recovery process you might be prompted to change discs Where can find help about the Windows operating system The Windows Help and Support information system provides you with detailed information about using the Windows operating system to help you get the most of your computer To access the Windows Help and Support information system do one of the following e On the Windows 7 operating system click Start gt Help and Support e On the Windows 8 or Windows 8 1 operating system move your pointer to the top right or bottom right corner of the screen to display the charms Then click Settings gt Help Additionally the Windows 8 1 operating system provides a Help Tips application that you can open from the Start screen or Apps screen Can I change the Windows 8 1 startup behavior to open either the desktop or the Start screen On the Windows 8 1 operating system you can set the computer to open either the desktop or the Start screen by default To set the default startup screen do the following 1 On the desktop move your pointer to the taskbar at the bottom of the screen an
101. he other drive In some cases only one of the drives is connected to the audio subsystem e If you are using the Windows 7 operating system follow the action for A CD or DVD does not work on page 107 If this does not correct the problem follow the action for A CD or DVD does not work on page 107 A CD or DVD does not work Symptom A CD or DVD does not work Actions e Verify that the disc is inserted correctly with its label up e Make sure that the disc you are using is clean To remove dust or fingerprints wipe the disc clean with a soft cloth from the center to the outside Wiping a disc in a circular motion might cause loss of data e Verify that the disc you are using is not scratched or damaged Try inserting another disc that you know is good If you cannot read from a known good disc you might have a problem with your CD or DVD drive or the cabling to your CD or DVD drive Make sure that the power cable and signal cable are securely connected to the drive Unable to use a startable bootable recovery medium such as the Product Recovery CD to start your computer Symptom Unable to use a startable bootable recovery medium such as the Product Recovery CD to start your computer Action Make sure that the CD or DVD drive is in the startup sequence before the hard disk drive Refer to your Selecting or changing the startup device sequence on page 94 for information on viewing and changing the startup s
102. he screen For information about using other features of the Windows 8 operating system refer to the Windows Help and Support information system For more information see Help and Support on page 121 Navigating on Windows 8 1 To navigate among the desktop the Start screen and applications that were opened from the Start screen on the Windows 8 1 operating system do one of the following e From the Start screen do one of the following to navigate to the most recently accessed workspace application setting or desktop Using a pointing device Move the pointer to the extreme bottom left corner of the screen until the Windows screen control icon His displayed then click the icon Using a touch screen Swipe in and out on the left edge of the screen Representations of all available workspaces are displayed along the left edge of the screen Tap the Windows screen control icon H at the bottom Note The Windows screen control icon His displayed only if you have at least one active workspace in the background of the system e From the desktop or any other workspace that is opened from the Start screen do one of the following to navigate to the Start screen Using a pointing device From the desktop click the Windows screen control icon Hin the bottom left corner of the screen From any other workspace move the pointer to the extreme bottom left corner of the screen until the Windows screen control icon
103. ition pin 2 and pin 3 Close the computer cover and connect the power cord See Completing the parts replacement on page 81 Turn on the computer and leave it on for approximately 10 seconds When you hear short beeps turn off the computer by holding the power switch for approximately five seconds 7 Repeat step 1 through step 3 8 Move the Clear CMOS Recovery jumper back to the standard position pin 1 and pin 2 9 Close the computer cover and connect the power cord See Completing the parts replacement on page 81 Enabling or disabling a device This section provides information on how to enable or disable user access to the following devices USB Setup Use this option to enable or disable a USB connector When a USB connector is disabled the device connected to the USB connector cannot be used SATA Controller When this feature is set to Disable all devices connected to the SATA connectors such as hard disk drives or the optical drive are disabled and cannot be accessed To enable or disable a device do the following 1 Start the Setup Utility program See Starting the Setup Utility program on page 91 2 3 From the Setup Utility program main menu select Devices Depending on the device you want to enable or disable do one of the following e Select USB Setup to enable or disable a USB device e Select ATA Drive Setup to enable or disable an internal or external SATA
104. itor screen periodically using a soft cloth as directed in your monitor documentation Air circulation Your computer and monitor produce heat The computer has a fan that pulls in fresh air and forces out hot air The monitor lets hot air escape through vents Blocking the air vents can cause overheating which might result in a malfunction or damage Place the computer and monitor so that nothing blocks the air vents usually 51 mm 2 inches of air space is sufficient Also make sure the vented air is not blowing on people Electrical outlets and cable lengths The location of electrical outlets the length of power cords and cables that connect to the monitor printer and other devices might determine the final placement of your computer When arranging your workspace e Avoid the use of extension cords When possible plug the computer power cord directly into an electrical outlet e 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 vi Accessibility information Lenovo is committed to providing people with disabilities greater access to information and technology Some technologies are already provided in your operating system Others can be purchased through vendors Users also can use the Ease of Access Center provided in the Windows operating system to configure their c
105. ive part from the static protective packaging and install the part without setting it down When this is not possible place the static protective packaging on a smooth level surface and place the part on it e Do not place the part on the computer cover or other metal surface Power cords and power adapters Use only the power cords and power adapters supplied by the product manufacturer The power cords shall be safety approved For Germany it shall be HOS5VV F 3G 0 75 mm or better For other countries the suitable types shall be used accordingly Never wrap a power cord around a power adapter or other object Doing so can stress the cord in ways that can cause the cord to fray crack or crimp This can present a safety hazard Always route power cords so that they will not be walked on tripped over or pinched by objects Protect power cord and power adapters from liquids For instance do not leave your power cord or power adapter near sinks tubs toilets or on floors that are cleaned with liquid cleansers Liquids can cause a short circuit particularly if the power cord or power adapter has been stressed by misuse Liquids also can cause gradual corrosion of power cord terminals and or the connector terminals on a power adapter which can eventually result in overheating Always connect power cords and signal cables in the correct order and ensure that all power cord connectors are securely and completely plugged into recepta
106. ke local electrical standards into consideration 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 32 ThinkCentre M73 User Guide Chapter 4 Security This chapter provides information about how to protect your computer from theft and unauthorized use Security features The following security features are available on your computer Computrace Agent software embedded in firmware The Computrace Agent software is an IT asset management and computer theft recovery solution The software detects if changes have been made on the computer such as hardware software or the computer call in location Note You might have to purchase a subscription to activate the Computrace Agent software Cover presence switch also called intrusion switch The cover presence switch prevents your computer from logging in to the operating system when the computer cover is not properly installed or closed To enable the cover presence switch connector on the system board to the following 1 Start the Setup Utility program See Starting the Setup Utility program on page 91 2 Set the Administrator Password See Setting changing and d
107. ks of Lenovo in the United States other countries or both Lenovo Rescue and Recovery The Lenovo logo The ThinkCentre logo ThinkCentre ThinkVantage Microsoft Windows and Windows Media are trademarks of the Microsoft group of companies DisplayPort is a Trademark of the Video Electronics Standards Association Linux is a registered trademark of Linus Torvalds Other company product or service names may be trademarks or service marks of others 126 ThinkCentre M73 User Guide Appendix B Regulatory information Export classification notice This product is subject to the United States Export Administration Regulations EAR and has an Export Classification Control Number ECCN of 4A994 b It can be re exported except to any of the embargoed countries in the EAR E1 country list Television output notice The following notice applies to models that have the factory installed television output feature This product incorporates copyright protection technology that is protected by method claims of certain U S patents and other intellectual property rights owned by Macrovision Corporation and other rights owners Use of this copyright protection technology must be authorized by Macrovision Corporation and is intended for home and other limited viewing uses only unless otherwise authorized by Macrovision Corporation Reverse engineering or disassembly is prohibited Electronic emissions notices The following inf
108. kspace operates independently from the Windows operating system you can restore the hard disk drive to the factory default state even if you cannot start the Windows operating system Attention If you restore the hard disk drive from a Rescue and Recovery backup or restore the hard disk drive to the factory default settings all files on the primary hard disk drive partition usually drive C will be deleted in the recovery process If possible make copies of important files If you are unable to start the Windows operating system you can use the rescue files feature of the Rescue and Recovery workspace to copy files from your hard disk drive to other media To start the Rescue and Recovery workspace do the following 1 Make sure the computer is turned off Chapter 6 Recovery information 85 2 Repeatedly press and release the F11 key when turning on the computer When you hear beeps or see a logo screen release the F11 key 3 If you have set a Rescue and Recovery password type your password when prompted The Rescue and Recovery workspace opens after a short delay Note If the Rescue and Recovery workspace fails to open see Solving recovery problems on page 88 4 Do one of the following e To rescue files from your hard disk drive or from a backup click Rescue files and follow the instructions on the screen e To restore your hard disk drive from a Rescue and Recovery backup or to restore your hard disk drive to the facto
109. l drive and pivot the drive bay assembly upward Align the screw holes in the new optical drive with the corresponding holes in the drive bay Then install the two screws to secure the new optical drive in place Figure 36 Installing the optical drive 11 Connect one end of the signal cable to the rear of the new optical drive and the other end to an available SATA connector on the system board See Locating parts on the system board on page 13 Then locate an available four wire power connector and connect it to the rear of the new optical drive Figure 37 Connecting a SATA optical drive What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 81 Replacing the heat sink and fan assembly 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 heat sink and fan assembly 58 ThinkCentre M73 User Guide CAUTION The heat sink and fan assembly might be very hot Before you open the computer cover turn off the computer and wait several minutes until the computer is cool To replace the heat sink and fan assembly do the following 1 Remove all media from the drives and turn off all attached devices and the computer Then disconnect all power c
110. lacing an option use the appropriate instructions in this section along with the instructions that come with the option Installing external options You can connect external options to your computer such as external speakers a printer or a scanner For some external options you must install additional software in addition to making the physical connection When installing an external option see Locating connectors controls and indicators on the front of your computer on page 9 and Locating connectors on the rear of your computer on page 10 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 2013 2014 39 Removing the computer cover 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 open the computer cover CAUTION Before you open the computer cover turn off the computer and wait several minutes until the computer is cool To open the computer cover do the following 1 Remove any media from the drives and turn off all attached devices and the computer 2 Disconnect all power cords from electrical outlets 3 Disconnect the power cord Input Output cables and any other cables that are connected to the computer
111. lenovo ThinkCentre M73 User Guide o ThinkGentre Machine Types 10B4 10B5 10B6 and 10B7 Note Before using this information and the product it supports be sure to read and understand the Important safety information on page v and Appendix A Notices on page 125 Third Edition June 2014 Copyright Lenovo 2013 2014 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 Contents Important safety information Service and upgrades Static electricity prevention Power cords and power adapters Extension cords and related devices Plugs and outlets External devices sy Heat and product ventilation Operating environment Laser compliance statement Power supply statement Cleaning and maintenance Chapter 1 Product overview Features Specifications Lenovo programs Accessing Lenovo programs on thie Windows 7 operating system Accessing Lenovo programs on nthe Windows 8 or Windows 8 1 operating system An introduction to Lenovo programs Locations Locating connectors Scntiale and indicators on the front of your computer Locating connectors on the rear of your computer Locating omporionts n Locating parts on the system board Locating internal drives Machine type and model lab
112. les is developed to ensure that visually impaired users can read the documentation through a screen reader Each image in the documentation also includes adequate alternative text to explain the image so that visually impaired users can understand the image when they use a screen reader Registering your computer 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 To register your computer with Lenovo do one of the following e Go to http Awww lenovo com register and follow the instructions on the screen to register your computer e Connect your computer to the Internet and register your computer through a preinstalled registration program For Windows 7 The preinstalled Lenovo Product Registration program launches automatically after you have used your computer for a time Follow the instructions on the screen to register your computer For Windows 8 or Windows 8 1 On the Start screen open the Lenovo Support program Then click Registration and follow the instructions on the screen to register your computer Moving your computer to another country or region When you move your computer to another country or region you must ta
113. ling preinstalled applications and device drivers on page 87 Solving recovery problems If you are unable to access the Rescue and Recovery workspace or the Windows environment do one of the following e Use a rescue medium to start the Rescue and Recovery workspace See Creating and using a rescue medium on page 86 e Use recovery media if all other methods of recovery have failed and you need to restore the hard disk drive to the factory default settings See Creating and using recovery media on page 83 Note If you are unable to access the Rescue and Recovery workspace or the Windows environment from a rescue medium or recovery media you might not have the rescue device an internal hard disk drive a disc a USB hard disk drive or other external devices set as the first boot device in the startup device sequence You must first make sure that your rescue device is set as the first boot device in the startup device sequence in the Setup Utility program See Selecting a startup device on page 94 for detailed information about temporarily or permanently changing the startup device sequence For more information about the Setup Utility program see Chapter 7 Using the Setup Utility program on page 91 88 ThinkCentre M73 User Guide It is important to create a rescue medium and a set of recovery media as early as possible and store them in a safe place for future use Recovery information for the Windows 8 or
114. ll as to enjoy sound with multimedia applications and work with speech recognition software Optionally you can connect a set of powered stereo speakers to the audio line out connector to enjoy better sound with multimedia applications Setting the volume from the desktop The desktop volume control is accessible through the volume icon in the taskbar which is located at the bottom right corner of the Windows desktop Click the volume icon and move the slider up or down to control the volume or click the Mute icon to turn the audio off If the volume icon is not in the taskbar see Adding the volume icon to the taskbar on page 22 Adding the volume icon to the taskbar To add the volume icon to the taskbar on the Windows 7 operating system do the following 22 ThinkCentre M73 User Guide 1 From the Windows desktop click Start gt Control Panel gt Appearance and Personalization 2 Inthe 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 Click OK to save the new settings To add the volume icon to the taskbar on the Windows 8 or Windows 8 1 operating system do the following 1 Open Control Panel and click Appearance and Personalization Note For detailed information on how to open Control Panel on Windows 8 and Windows 8 1 see Accessing Control Panel on the Windows 8 or Windows 8 1 operating system on page 20 2
115. ll or some keys on the keyboard do not work Symptom All or some keys on the keyboard do not work Actions e Verify that the keyboard cable is securely connected to the correct connector on the computer e If you are using an Enhanced Performance USB keyboard and one or more of the Rapid Access buttons are the only keys that are not working these buttons might have been disabled or have not been assigned to a function Use the help system in the Enhanced Performance Customization Keyboard program to help diagnose problems with the Rapid Access buttons To open the Enhanced Performance Customization Keyboard program do one of the following On the Windows 7 operating system do the following 1 Click Start gt Control Panel 2 Click Hardware and Sound 3 Click Devices and Printers 4 Double click USB Enhanced Performance Keyboard The USB Enhanced Performance Keyboard Customization program starts On the Windows 8 or Windows 8 1 operating system do the following 1 Open Control Panel Chapter 10 Troubleshooting and diagnostics 109 Note For detailed information on how to open Control Panel onWindows 8 and Windows 8 1 see Navigating among screens on the Windows 8 and Windows 8 1 operating systems on page 18 2 Click Hardware 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
116. mation by telephone through the Customer Support Center The following services are available during the warranty period e Problem determination Trained service personnel are available to assist you with determining a hardware problem and deciding what action is necessary to fix the problem e Hardware repair If the problem is caused by hardware under warranty trained service personnel are available to provide the applicable level of service e Engineering Change management There might be changes that are required after a product has been sold Lenovo or your reseller will make selected Engineering Changes ECs that apply to your hardware available These items are not covered by the warranty e Replacement or use of parts not manufactured for or by Lenovo or non warranted Lenovo parts e Identification of software problem sources e Configuration of BIOS as part of an installation or upgrade 122 ThinkCentre M73 User Guide e Changes modifications or upgrades to device drivers e Installation and maintenance of network operating systems NOS e Installation and maintenance of application programs Refer to the Safety Warranty and Setup Guide that comes with your computer for information about your warranty type and duration You must retain 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 Safety
117. mits you to create only one data medium so it is important that you store the recovery media in a safe place after you have made them Copyright Lenovo 2013 2014 83 Creating recovery media This section provides instructions on how to create recovery media on different operating systems 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 gt All Programs gt Lenovo ThinkVantage Tools gt Factory Recovery Disks Then follow the instructions on the screen Using recovery media This section provides instructions on how to use recovery media On the Windows 7 operating system you can use recovery media to restore the contents of the hard disk drive to the factory default state Also you can use recovery media to put the computer in an operational state after all other methods of hard disk drive recovery have failed Attention When you use recovery media to restore the contents of the hard disk to the factory default state all the files currently on the hard disk drive will be deleted and replaced by the factory default files To use recovery media on the Windows 7 operating system do the following 1 Depending on the type of your recovery media connect the boot medium memory key or other USB storage device to the computer or insert the boot disc into the optical drive 2 Repeatedly press
118. mputer cover and reconnect the power cords for the computer and monitor to electrical outlets See Completing the parts replacement on page 81 8 Turn on the computer and then insert the POST and BIOS update flash update disc into the optical drive Wait a few minutes Then the recovery session begins The recovery session will take two to three minutes During this time a warning message will be displayed and no action is needed from you 9 After the recovery session is completed there will be no video and your computer will automatically turn off 10 Repeat step 1 through step 4 11 Move the Clear CMOS Recovery jumper back to the standard position pin 1 and pin 2 12 Reconnect any cables that were disconnected and reinstall the PCI card if removed 13 Close the computer cover and reconnect any cables that were disconnected 14 Turn on the computer to restart the operating system 98 ThinkCentre M73 User Guide Chapter 9 Preventing problems This chapter provides information that can help you avoid common problems and keep your computer running smoothly Keeping your computer current In some situations you may find it necessary to have the most current software programs device drivers or operating system This section explains how to get the latest updates for your computer Select any of the following topics e Getting the latest device drivers for your computer on page 99 e Updating your oper
119. nal services Appendix A Notices Trademarks Appendix B meara o information Export classification notice Television output notice Electronic emissions notices Federal Communications Commission Declaration of Conformity Eurasian compliance mark Brazil regulatory notice Mexico regulatory notice Additional regulatory information Appendix C WEEE and Selene information Copyright Lenovo 2013 2014 122 123 123 125 126 127 127 127 127 127 129 129 129 130 131 Important WEEE information Recycling information for Japan Recycling information for Brazil Battery recycling information for Taiwan Battery recycling information for the European Union E S Appendix D Restriction of Hazardous Substances Directive ROHS European Union RoHS China RoHS Turkish RoHS Ukraine RoHS India RoHS Appendix E China Energy Label Appendix F ENERGY STAR model information Index 131 131 132 132 132 135 135 135 135 136 136 137 139 141 iv ThinkCentre M73 User Guide Important safety information CAUTION Before using this manual be sure to read and understand all the related safety information for this product Refer to the information in this section and the safety information in the Safety Warranty and Setup Guide that you received with this product Reading and understanding this safety information reduces the risk of personal injur
120. nce your computer will run at a better thermal level with normal acoustic performance To configure the ICE performance mode do the following 1 oar W DY Start the Setup Utility program See Starting the Setup Utility program on page 91 From the Setup Utility program main menu select Power Select Intelligent Cooling Engine ICE The Intelligent Cooling Engine ICE window is displayed Select ICE Performance Mode The ICE Performance Mode window is displayed Select Better Acoustic Performance or Better Thermal Performance as desired Press F10 to save changes and exit the Setup Utility program See Exiting from the Setup Utility program on page 96 ICE thermal alert You can monitor the thermal function of your computer under critical thermal situations through the ICE Thermal Alert menu Two choices are available Chapter 7 Using the Setup Utility program 95 e Enabled default setting e Disabled 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 Start the Setup Utility program See Starting the Setup Utility program on page 91 From the Setup Utility program main menu select Powe
121. ndary internal hard disk drive 5 Click OK and follow the instructions on the screen to create a rescue medium Using a rescue medium This section provides instructions on how to use the rescue medium you have created e Ifyou have created a rescue medium using a disc use the following instructions to use the rescue medium 1 Turn off your computer 2 Repeatedly press and release the F12 key when turning on the computer When the Please select boot device window opens release the F12 key 3 In the Please select boot device window select the desired optical drive as the first boot device Then insert the rescue disc into the optical drive and press Enter The rescue medium starts e If you have created a rescue medium using a USB hard disk drive use the following instructions to use the rescue medium 1 Attach the USB hard disk drive to one of the USB connectors on your computer 86 ThinkCentre M73 User Guide 2 Repeatedly press and release the F12 key when turning on the computer When the Please select boot device window opens release the F12 key 3 In the Please select boot device window select the USB hard disk drive as the first boot device and press Enter The rescue medium starts When the rescue medium starts the Rescue and Recovery workspace opens The help information for each feature is available from the Rescue and Recovery workspace Follow the instructions to complete the recovery process Reinstalling pr
122. ndow that is displayed to start a disk defragmentation process Chapter 10 Troubleshooting and diagnostics 117 Insufficient memory Symptom Insufficient memory In general the more memory that is installed the better the Windows operating system runs Action Install additional memory For information about purchasing memory see Chapter 11 Getting information help and service on page 121 For step by step instructions on installing memory see Installing or replacing a memory module on page 43 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 121 Printer problems Symptom The printer does not work Actions Verify that 1 The printer is turned on and is online 2 Paper is loaded correctly 3 The printer signal cable is securely connected to the correct parallel serial or USB connector on the computer Note Non IEEE approved printer signal cables might cause unpredictable problems 1 Any device drivers and other software that came with the printer are correctly installed 2 You have assigned the printer port correctly in your operating system application program or BIOS settings For more information about BIOS settings see Chapter 7 Using the Setup Utility program on page 91 If the problem persists run the tests described in the documentation that comes with your
123. ner of the screen to display the charms Click Settings gt Change PC settings gt Update and recovery gt Recovery 2 In the Advanced startup section click Restart now gt Troubleshoot gt Advanced options 3 Restart your computer following the instructions on the screen Recovering your operating system if Windows 8 or Windows 8 1 fails to start The Windows recovery environment on your computer is capable of operating independently from the Windows 8 or Windows 8 1 operating system This enables you to recover or repair the operating system even if the Windows 8 or Windows 8 1 operating system fails to start After two consecutive failed boot attempts the Windows recovery environment starts automatically Then you can choose repair and recovery options by following the instructions on the screen Note Ensure that your computer is connected to ac power during the recovery process For more details about the recovery solutions provided on computers preinstalled with the Windows 8 or Windows 8 1 operating system refer to the help information system of the Windows 8 or Windows 8 1 operating system 90 ThinkCentre M73 User Guide Chapter 7 Using the Setup Utility program The Setup Utility program is used to view and change the configuration settings of your computer regardless of which operating system you are using However the operating system settings might override any similar settings in the Setup Utility program S
124. next e To work with another piece of hardware go to the appropriate section e To complete the replacement go to Completing the parts replacement on page 81 Replacing the power supply assembly 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 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 CAUTION Hazardous moving parts Keep fingers and other body parts away Chapter 5 Installing or replacing hardware 61 CAUTION Never remove the cover on a power supply or any part that has the following label attached Hazardous voltage current and energy levels are present inside any component that has this label attached There are no serviceable parts 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 outlets and disconnect all cables that are connected to the computer 2 Remove the computer cover See Removing the computer cover on page 40 3 Rem
125. ng 50 solving recovery problems 88 starting the Setup Utility program 91 startup device 94 sequence changing 94 temporary selecting 94 static sensitive devices handling 39 system management 2 programs 97 system board connectors 13 locating parts 13 locations 13 memory module 43 system board components and drives accessing 42 system fan assembly replacing 68 T temporary startup device 94 the BIOS updating flashing 97 98 trademarks 126 troubleshooting basic 103 troubleshooting diagnostics 103 U updating flashing the BIOS 97 system programs 97 updating flashing the BIOS 98 USB 2 0 connector 11 USB 3 0 connector 11 using a rescue medium creating and 86 diagnostic program 122 documentation 122 other services 123 passwords 91 Setup Utility 91 V VGA connector 11 video subsystem 1 viewing and changing settings 91 W warranty information 121 WiFi units WiFi adapter card WiFi card module WiFi antenna cable replacing 70 workspace backup and recovery 85 Copyright Lenovo 2013 2014 143 144 ThinkCentre M73 User Guide lenovo
126. ng system 99 Using System Update 100 Cleaning and maintenance 100 Basics 100 Cleaning yourcomputer 101 Good maintenance practices 102 Moving your computer 102 Chapter 10 Troubleshooting and diagnostics 103 Basic troubleshooting 103 Troubleshooting procedure 104 Troubleshooting 104 Audio problems 105 CD problems 106 DVD problems 107 Intermittent problems 109 Keyboard mouse or pointing device problems 109 Monitor problems 111 Networking problems 112 Option problems Sid oh ea ES Performance and lockup Siebletiae 116 Printer problems 118 Serial port problems 118 Software problems 119 USB problems 120 Lenovo Solution Center 120 Chapter 11 Getting information help and service 121 Information resources 121 Lenovo ThinkVantage Tools 121 Help and Support 121 Safety and Warranty 121 Lenovo Website 121 Lenovo Support Website 122 Help and service 122 Using the dio irnentation and disoricstic progam 122 Calling for service Using other services Purchasing additio
127. nnecting LED indicators and power switch EE Front USB connector 1 for connecting USB Front USB connector 2 for connecting an additional USB ports 1 and 2 on the front bezel device EH Cover presence switch connector intrusion Clear CMOS Complementary Metal Oxide Semiconductor switch connector Recovery jumper Serial COM2 connector Front audio connector E PC Express x1 card slots 2 HJ PC Express x16 graphics card slot System fan connector EA Battery C Chapter 1 Product overview 13 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 installing or replacing an internal drive it is important to note the type and size of the drive that you can install or replace in each bay and correctly connect the cables to the drive installed Refer to the appropriate section in Chapter 5 Installing or replacing hardware on page 39 for instructions on how to install or replace internal drives for your computer Figure 5 Drive bay locations on page 14 shows the locations of the drive bays Figure 5 Drive bay locations Bay 1 Secondary solid state drive bay with a 2 5 inch solid state drive or a hybrid hard disk drive installed in some models Ea Bay 2 Optical drive bay with an optical drive inst
128. ntained in this document does not affect or change Lenovo product specifications or warranties Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo or third parties All information contained in this document was obtained in specific environments and is presented as an illustration The result obtained in other operating environments may vary Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you Any references in this publication to non Lenovo Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites The materials at those Web sites are not part of the materials for this Lenovo product and use of those Web sites is at your own risk Any performance data contained herein was determined in a controlled environment Therefore the result obtained in other operating environments may vary significantly Some measurements may have been made on development level systems and there is no guarantee that these measurements will be the same on generally available systems Furthermore some measurements may have been estimated through extrapolation Actual results may vary Users of this document should verify the applicable data for their specific environment Copyright Lenovo 2013 2014 125 Trademarks The following terms are trademar
129. ny Lenovo intellectual property right may be used instead However it is the user s responsibility to evaluate and verify the operation of any other product program or service Lenovo may have patents or pending patent applications covering subject matter described in this document The furnishing of this document does not give you any license to these patents You can send license inquiries in writing to Lenovo United States Inc 1009 Think Place Building One Morrisville NC 27560 U S A Attention Lenovo Director of Licensing LENOVO PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF NON INFRINGEMENT MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some jurisdictions do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you This information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life support applications where malfunction may result in injury or death to persons The information co
130. omputers to suit their physical and cognitive needs The Ease of Access Center is a central location that you can use to configure the accessibility settings and programs available in the Windows operating system To use the Ease of Access Center open Control Panel and click Ease of Access gt Ease of Access Center The following information provides ways to help users who have hearing vision and mobility limitations get the most out of their computer experience On screen notification On screen notification helps hearing impaired people be aware of the status of their computer On screen notification replaces sounds with visual cues or text captions to indicate that activity is happening on the computer As a result system alerts are noticeable even when they are not heard For example when you 28 ThinkCentre M73 User Guide select one object with your keyboard the object is highlighted When you move the pointer to one object with your mouse the introductory text of the object is displayed To use on screen notification open Control Panel click Ease of Access gt Ease of Access Center and then click Use text or visual alternatives for sounds Audio notification Audio notification helps visually impaired people or people with weak sight be aware of the status of their computer To use audio notification open Control Panel click Ease of Access gt Ease of Access Center gt Use the computer without a display and then select T
131. on page 13 4 Remove the old battery Figure 19 Removing the old battery 5 Install a new battery Figure 20 Installing a new battery 6 Reinstall the computer cover and connect the cables See Completing the parts replacement on page 81 Note When the computer is turned on for the first time after replacing the battery an error message might be displayed This is normal after replacing the battery 7 Turn on the computer and all attached devices 8 Use the Setup Utility program to set the date time and any passwords See Chapter 7 Using the Setup Utility program on page 91 What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 81 Replacing the hard disk drive 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 hard disk drive Note This section also applies to computer models with a 2 5 inch solid state drive To replace the hard disk drive 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 40 48 ThinkCentre M73 User Guide
132. on page v This section provides instructions on how to replace the mouse To replace the mouse do the following 1 Remove all media from the drives Then turn off all attached devices and the computer 2 Disconnect all power cords from electrical outlets 3 Disconnect the old mouse cable from the computer 4 Connect a new mouse to the appropriate connector on the computer Your mouse might be connected to a PS 2 mouse connector J or a USB connector Depending on where you want to connect your 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 E i A Figure 65 Mouse connectors What to do next e To work with another piece of hardware go to the appropriate section e To complete the replacement go to Completing the parts replacement on page 81 80 ThinkCentre M73 User Guide Completing the parts replacement After completing the installation or replacement for all parts you need to close the computer cover and reconnect cables Depending on the parts you installed or replaced you might need to confirm the updated information in the Setup Utility program Refer to Chapter 7 Using the Setup Utility program on page 91 To reinstall the computer cover and reconnect cables to your computer do the following 1 Make sure that all components have been reassembled correctly
133. ons to avoid static electricity damage e Limit your movement Movement can cause static electricity to build up around you e Always handle parts and other computer components carefully Handle PCI cards memory modules system boards and microprocessors by the edges Never touch any exposed circuitry e Prevent others from touching the parts and other computer components e Before you replace a new part touch the static protective package containing the part to a metal expansion slot cover or other unpainted metal surface on the computer for at least two seconds This reduces static electricity from the package and your body e When possible remove the new part from the static protective packaging and install it directly in the computer without setting the part down When this is not possible place the static protective package that the part came in on a smooth level surface and place the part on it e Do not place the part on the computer cover or other metal surface Installing or replacing hardware This section provides instructions on how to install or replace hardware for your computer You can expand the capabilities of your computer and maintain your computer by installing or replacing hardware Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page v Notes e Use only computer parts provided by Lenovo e When installing or rep
134. ords 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 40 3 Pivot the drive bay assembly upward Then pivot the two plastic retaining clips outward to remove the heat sink fan duct from the failing heat sink and fan assembly Figure 38 Removing the heat sink fan duct 4 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 13 Chapter 5 Installing or replacing hardware 59 5 60 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 E then fully remove screw and then fully remove screw b Partially remove screw ff then fully remove screw Ef and then fully remove screw E Note Carefully remove the four screws from the system board to avoid any possible damage to the system board The four screws cannot be removed from the heat sink and fan assembly i i ES
135. ormation refers to Lenovo personal computer machine types 10B4 10B5 10B6 and 10B7 Federal Communications Commission Declaration of Conformity This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e 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 Unauthorized changes or modifications could void the
136. ost cases if an audio adapter is installed in one of the expansion slots the audio function built into the system board is disabled use the audio jacks on the adapter e Make sure that the program you are running is designed for use in the Microsoft Windows operating system If the program is designed to run in DOS the program does not use the Windows sound feature and must be configured to use SoundBlaster Pro or SoundBlaster emulation e Verify that the audio device drivers are correctly installed See Microsoft Windows help system for more information 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 121 An audio disc or AutoPlay enabled disc does not automatically play when it is inserted into a drive Symptom An audio disc or AutoPlay enabled disc does not automatically play when it is inserted into a drive Action See CD problems on page 106 Sound comes from one external speaker only Symptom Sound comes from one external speaker only Actions e Ensure that the speaker cable is inserted completely into the connector on the computer e Make sure the cable that attaches the left speaker to the right speaker is securely connected e Double click the speaker icon in the Windows notification area A master volume control window opens Verify that the Balance settings are set correctly If
137. ou use a speed of 1000 Mbps the connection fails or errors occur Symptom If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps the connection fails or errors occur Actions e Use Category 5 wiring and make sure that the network cable is securely connected e Connect to a 1000 BASE T hub switch not 1000 BASE X If your computer is a Gigabit Ethernet model it cannot connect to the network at 1000 Mbps Instead it connects at 100 Mbps Symptom If your computer is a Gigabit Ethernet model it cannot connect to the network at 1000 Mbps Instead it connects at 100 Mbps Actions e Try another cable e Make sure that the link partner is set to auto negotiate e Make sure that the switch is 802 3ab compliant gigabit over copper A wireless LAN problem Symptom You cannot connect using the built in wireless networking card Actions e Ensure 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 e Ensure that your computer is within range of a wireless access point e Ensure that the wireless radio is enabled by double clicking the Access Connections icon in the Windows notification area e Check Network Name SSID and your encryption information Use Access Connections to verify this case sensitive information 114 ThinkCentre M73 User Guide A wireless WAN problem M
138. ove the front bezel See Removing and reinstalling the front bezel on page 40 4 Pivot the drive bay assembly upward Then pivot the two plastic retaining clips outward to remove the heat sink fan duct from the failing heat sink and fan assembly Figure 41 Removing the heat sink fan duct 5 Disconnect the power supply assembly cables from all drives and from the 24 pin power connector and 4 pin power connector on the system board See Locating parts on the system board on page 13 Note You might also need to release the power supply assembly cables from some cable clips or ties that secure the cables to the chassis Make sure that you note the cable routing before disconnecting the cables 62 ThinkCentre M73 User Guide 6 At the rear of the computer remove the three screws that secure the power supply assembly Press the power supply clip J downward to release the power supply assembly and then slide the power supply assembly to the front of the computer Lift the power supply assembly out of the computer Figure 42 Removing the power supply assembly 7 Make sure that the new power supply assembly is the correct replacement Chapter 5 Installing or replacing hardware 63 8 Install the new power supply assembly into the chassis so that the screw holes in the new power supply assembly are aligned with the corresponding holes in the rear of the chassis Then install the three screws to secure the new power suppl
139. ovo Solution Center program If you need technical assistance see Chapter 11 Getting information help and service on page 121 No audio or intermittent audio while playing DVD movie Symptom No audio or intermittent audio while playing DVD movie Actions e Check the volume control settings on your computer and on your speakers e Make sure that the disc surface is clean and not scratched e Check all cable connections to and from the speakers e Use the DVD menu for the video to select a different audio track 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 121 Playback is very slow or choppy Symptom Playback is very slow or choppy Actions e Disable any background programs such as AntiVirus or Desktop Themes e Ensure that video resolution is set to less than 1152 x 864 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 121 Invalid disc or no disc found message Symptom Invalid disc or no disc found message Actions e Ensure that a DVD disc is in the drive with the shiny side of the disc facing down e Ensure that video resolution is set to less than 1152 x 864 108 ThinkCentre M73 User Guide e On computers that have a CD ROM or CD RW dri
140. owing Using a pointing device 1 Do one of the following e Move the pointer to the extreme top left corner of the screen and then move the pointer downward along the left edge of the screen e 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 Note Only active workspaces that you have accessed during the current Windows session are displayed along the left edge If you close an active workspace its representation does not display along the left edge of the screen 2 Click the representation Using a touch screen e Method 1 18 ThinkCentre M73 User Guide 1 Swipe in and out on the left edge of the screen Representations of all available workspaces are displayed along the left edge of the screen 2 Tap the desired workspace e Method 2 1 Swipe in from the left edge of the screen to navigate to the next available workspace 2 Repeat step 1 until you navigate to the desired workspace To navigate to the most recently accessed workspace application PC settings or desktop do one of the following Using a pointing device Move the pointer to the extreme top left corner of the screen until a small representation of the workspace is displayed then click the representation Using a touch screen Swipe in from the left edge of t
141. owing e Pressing the power switch e 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 Start the Setup Utility program 2 From the Setup Utility program main menu select Power gt Automatic Power On and press Enter 3 4 Press F10 to save changes and exit the Setup Utility program Press Enter when prompted to Select Wake Up on Alarm and press Enter Then follow the instructions on the screen confirm the exit e Enabling the after power loss feature The after power loss feature enables your computer to wake up when the power supply resumes after a sudden loss of electricity To enable the after power loss feature do the following 1 Start the Setup Utility program 2 From the Setup Utility program main menu select Power gt After Power Loss and press Enter 3 4 Press F10 to save changes and exit the Setup Utility program Press Enter when prompted to Select Power On and press Enter confirm the exit ICE performance mode You can adjust the acoustic and thermal performance of your computer through the ICE Performance Mode menu Two choices are available e Better Acoustic Performance default setting e Better Thermal Performance By enabling Better Acoustic Performance your computer will run with less noise at a normal thermal level By enabling Better Thermal Performa
142. p deter unauthorized use of your computer BIOS passwords You can use the BIOS Setup Utility program to set passwords to prevent unauthorized access to your computer and data The following types of passwords are available e Power On Password When a Power On Password is set you are prompted to type a valid password each time the computer is turned on The computer cannot be used until the valid password is typed in For more information see Power On Password on page 92 e Hard Disk Password Setting a Hard Disk Password prevents unauthorized access to the data on the hard disk drive When a Hard Disk Password is set you are prompted to type a valid password each time you try to access the hard disk drive For more information see Hard Disk Password on page 92 e Administrator Password Setting an Administrator Password deters unauthorized users from changing configuration settings If you are responsible for maintaining the configuration settings of several Chapter 4 Security 35 computers you might want to set an Administrator Password For more information see Administrator Password on page 92 You do not have to set any passwords to use your computer However using passwords improves computing security Windows passwords Depending on your version of the Windows operating system you can use passwords for a variety of features including controlling login access access to shared resources network access an
143. page 120 Audio problems Select your symptom from the following list e No audio in Windows on page 105 e An audio disc or AutoPlay enabled disc does not automatically play when it is inserted into a drive on page 106 e Sound comes from one external speaker only on page 106 e No audio in DOS applications or games on page 106 No audio in Windows Symptom No audio in Windows Actions e If you are using powered external speakers that have an On Off control verify that the On Off control is set to the On position and the speaker power cable is connected to a properly grounded functional ac electrical outlet e f your external speakers have a volume control verify that the volume control is not set too low e Double click the speaker icon in the Windows notification area A master volume control window opens Verify that the Mute settings are not checked and none of the volume settings is set too low e Some models have a front audio panel you can use to adjust volume If you have a front audio panel verify that the volume is not set too low e Verify that your external speakers and headphones if used are connected to the correct audio connector on the computer Most speaker cables are color coded to match the connector Chapter 10 Troubleshooting and diagnostics 105 Note When external speaker or headphone cables are attached to the audio connector the internal speaker if present is disabled In m
144. placement on page 81 Replacing the solid state drive Attention Do not open your computer or attempt any repair before reading and understanding the Important safety information on page v 50 ThinkCentre M73 User Guide This section provides instructions on how to replace the solid state drive The solid state drive is only available in some models It might be installed in the hard disk drive bay or on the bottom of the optical drive bay e To replace the solid state drive in the hard disk drive bay see Replacing the solid state drive in the hard disk drive bay on page 51 e To replace the solid state drive on the bottom of the optical drive bay see Replacing the solid state drive on the bottom of the optical drive bay on page 52 Replacing the solid state drive in the hard disk drive bay To replace the storage converter with the solid state drive installed in it you might follow the steps of replacing the hard disk drive See Replacing the hard disk drive on page 48 To replace the solid state drive in the storage converter do the following 1 Remove the four screws that secure the solid state drive to the storage converter Then remove the drive from the converter as shown Figure 25 Removing the solid state drive from the storage converter 2 Take the new solid state drive out of the static protective package Chapter 5 Installing or replacing hardware 51 3 Position the solid s
145. pyright Lenovo 2013 2014 137 138 ThinkCentre M73 User Guide Appendix F ENERGY STAR model information ENERGY STAR ENERGY STAR is a joint program of the U S Environmental Protection Agency and the U S Department of Energy aimed at saving money and protecting the environment through energy efficient products and practices Lenovo is proud to offer our customers products with an ENERGY STAR compliant designation Some models of the following machine types have been designed and tested to conform to the ENERGY STAR program requirement for computers at the time of manufacture 10B4 and 10B5 For more information about ENERGY STAR ratings for Lenovo computers go to http Awww lenovo com By using ENERGY STAR compliant products and taking advantage of the power management features of your computer you reduce the consumption of electricity Reduced electrical consumption contributes to potential financial savings a cleaner environment and the reduction of greenhouse gas emissions 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 2 ENERGY STAR power management features Power plan ThinkCentre Default e Turn off the display After 10 minutes e Put th
146. r Select Intelligent Cooling Engine ICE The Intelligent Cooling Engine ICE window is displayed Select ICE Thermal Alert The ICE Thermal Alert window is displayed Select Enabled or Disabled as desired on hr WwW DY Press F10 to save changes and exit the Setup Utility program See Exiting from the Setup Utility program on page 96 Exiting from the Setup Utility program After you finish viewing or changing settings press Esc to return to the Setup Utility program main menu You might have to press Esc several times Do one of the following e If you want to save the new settings press F10 to save and exit the Setup Utility program e f you do not want to save the settings select Exit gt Discard Changes and Exit e f you want to return to the default settings press F9 to load the default settings 96 ThinkCentre M73 User Guide Chapter 8 Updating system programs This chapter provides information about updating the POST and BIOS and how to recover from a POST and BIOS update failure Using system programs System programs are the basic layer of software built into your computer System programs include the POST the BIOS and the Setup Utility program The POST is a set of tests and procedures that are performed each time you turn on your computer The BIOS is a layer of software that translates instructions from other layers of software into electrical signals that the computer hardware can execute
147. r computer Resetting your yatta to the factory deraiit settings Using the advanced startup options Recovering your operating system if Windows 8 or Windows 8 1 fails to start Chapter 7 Using the oe aoe program Starting the Setup Utility program Viewing and changing settings Using passwords A Password considerations Power On Password Administrator Password Hard Disk Password Setting changing and deleting a aseword Erasing lost or forgotten cucu clearing CMOS ede amp Aim Enabling or disabling a PEN Selecting a startup device p e i Selecting a temporary startup device Selecting or evens the eae device sequence Enabling ErP LPS Sofrplianics rode ICE performance mode ICE thermal alert Exiting from the Setup Utility p program ii ThinkCentre M73 User Guide 67 68 70 75 77 79 80 81 83 83 83 84 85 86 87 88 88 88 89 89 89 89 90 91 91 91 91 92 92 92 92 92 93 93 94 94 94 94 95 95 96 Chapter 8 Updating aguas programs i A a oe OE Using system programs Se ym 8 OF Updating flashing the BIOS from a Rie nae g Or Updating meer the BIOS from your operaio system 98 Recovering from a POST BIOS ee failure 98 Chapter 9 Preventing problems 99 Keeping your computer current 99 Getting the latest device drivers for your Computer cy iisen AN ae tee Poh wie OY Updating your operati
148. r data transmission Used to attach a VGA monitor or other devices that use a VGA monitor connector Note The VGA 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 Chapter 1 Product overview 11 Locating components Figure 3 Component locations on page 12 shows the locations of the various components in your computer To open the computer cover see Removing the computer cover on page 40 Figure 3 Component locations Heat sink and fan assembly EJ Memory modules H Front audio and USB assembly Slim card reader EJ Front fan system fan assembly EJ Hard disk drive or solid state drive PCI Express card 12 ThinkCentre M73 User Guide Locating parts on the system board Figure 4 System board part locations on page 13 shows the locations of the parts on the system board sella a Figure 4 System board part locations SATA 2 0 connector Front panel connector for co
149. r power plan settings and create and manage multiple network profiles Lenovo SHAREit Windows 7 Windows 8 and Windows 8 1 The 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 uses any type of network or even no network at all to share files and folders Lenovo Solution Center Windows 7 Windows 8 and Windows 8 1 The Lenovo 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 Lenovo Support Windows 8 and Windows 8 1 The Lenovo Support program enables you to register your computer with Lenovo check the computer health condition and battery status download and view user manuals for your computer get the warranty information of your computer and explore help and support information Lenovo ThinkVantage Tools Windows 7 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 Lenovo Tools Windows 8 and Windows 8 1 The Lenovo 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 Password Manag
150. raglichkeit von Betriebsmitteln EMVG vom 20 Juli 2007 fr her Gesetz ber die elektromagnetische Vertr glichkeit von Ger ten bzw der EMV EG Richtlinie 2004 108 EC fr her 89 336 EWG f r Gerate der Klasse B 128 ThinkCentre M73 User Guide Dieses Ger t ist berechtigt in bereinstimmung mit dem Deutschen EMVG das EG Konformitatszeichen CE zu f hren Verantwortlich f r die Konformitatserklarung 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 Ger t erf llt die Schutzanforderungen nach EN 55024 und EN 55022 Klasse B Korea Class B compliance statement BS ADA S SSAIIAAM OIE H8862 HAISEDA FS IBAA ASSE AS S402 oH GE NAAM NSB ASU Japan VCCI Class B compliance statement CORBY J7ABRHRHRECT CORE RERECEATOC CeANELTUETH CORBPIUAYPTLEV AY ZERE TE MENS BERHSIERCTCEPHVET BURSA BIC HED TIEL URW RUELTREW VCCI B Japan compliance statement for products which connect to the power mains with rated current less than or equal to 20 A per phase AAOERSHY 20A 48 ATORBICN TS SAREMA El Mie Byte JIS C 61000 3 2 H6 m Lenovo product service information for Taiwan 4B Lenovo mR AAU T AWARE A 1 a PRS BB 2 Bt rh A SETA Ae BOF R O800 000 702 Keyboard and mouse compliance statement for Taiwan AE in BAT Rf AB eH Fd AZ PS 2RUSB AN AE BI BS E Eurasian compliance mark Brazil regulator
151. ram on page 91 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 Chapter 5 Installing or replacing hardware 81 Obtaining device drivers You can obtain device drivers that are not preinstalled in your operating systems at http www lenovo com support Installation instructions are provided in readme files with the device driver files 82 ThinkCentre M73 User Guide Chapter 6 Recovery information This chapter provides information about the recovery solutions provided by Lenovo e Recovery information for the Windows 7 operating system on page 83 e Recovery information for the Windows 8 or Windows 8 1 operating system on page 89 Recovery information for the Windows 7 operating system This section contains the following topics e Creating and using recovery media e Performing backup and recovery operations e Using the Rescue and Recovery workspace e Creating and using a rescue medium e Installing or reinstalling device drivers e 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 the Enhanced Backup and Restore icon in the Lenovo ThinkVantage Tools program is dimmed it indicates that you need to install the Res
152. re M73 User Guide Connector DisplayPort connector Ethernet connector Microphone connector PS 2 keyboard connector PS 2 mouse connector Serial port USB 2 0 connector USB 3 0 connector VGA connector Description 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 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 cable Used to attach a microphone to your computer when you want to record sound or if you use speech recognition software Used to attach a keyboard that uses a PS 2 keyboard connector Used to attach a mouse a trackball or other pointing devices that use a PS 2 mouse connector Used to attach an external modem a serial printer or other devices that use a 9 pin serial port Used to attach a device that requires a USB 2 0 connection such as a keyboard a mouse a scanner a printer or a personal digital assistant PDA Used to attach a device that requires a USB 2 0 or 3 0 connection such as a keyboard a mouse a scanner a printer or a personal digital assistant PDA A USB 3 0 connector provides high transmission speeds to reduce the time that is required fo
153. rmation 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 message The message is usually sent by a program running on another computer on the same local area network Wake on Ring Wake on Ring sometimes referred to as Wake on Modem is a specification that allows supported computers and devices to resume from sleep or hibernation mode Windows Management Instrumentation WMI Windows Management Instrumentation is a set of extensions to the Windows Driver Model It provides an operating system interface through which instrumented components provide information and notification 2 ThinkCentre M73 User Guide Input Output I O features e 9 pin serial port one standard and one optional e One Ethernet connector e One DisplayPort connector e One VGA monitor connector e One Personal System 2 PS 2 keyboard connector e One PS 2 mouse connector e Four Universal Serial Bus USB 2 0 connectors two on the front panel and two on the rear panel e Two USB 3 0 connectors on the rear panel e Three audio connectors on the rear panel audio line in connector audio line out connector and microphone connector e Two audio connectors on the front panel microphone connector and headphone connector For more information see Locating connectors controls and indicators on the front of your computer on page
154. rned on before the computer is turned on For more information see your SCSI documentation e 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 121 Performance and lockup problems Poor performance and lockup problems can be a result of any of the following e Insufficient free hard disk drive space on page 116 e Excessive number of fragmented files on page 117 e Insufficient memory on page 118 Make a selection from the above list to find out more about the corrective actions you can take Insufficient free hard disk drive space Symptom Insufficient free hard disk drive space The Windows operating system will slow down and might produce errors if the hard disk drive gets too full To check the amount of free space on the Windows 7 operating system do the following 1 Click Start gt Computer 2 Right click your C drive entry and then click Properties The amount of free disk space is displayed To check the amount of free space on the Windows 8 operating system do the following 1 Open File Explorer and click Computer 2 Right click your C drive entry and then click Properties The amount of free disk space is displayed To check the amount of free space on the Windows 8 1 operating system do th
155. rther intervention from you The System Update program is preinstalled on most Lenovo computers and is ready to run The only prerequisite is an active Internet connection You can start the program manually or you can use the schedule feature to enable the program to search for updates automatically at specified intervals You also can predefine scheduled updates to search by severity critical updates critical and recommended updates or all updates so the list you choose from contains only those update types that are of interest to you To open the System Update program see Accessing Lenovo programs on the Windows 7 operating system on page 5 or Accessing Lenovo programs on the Windows 8 or Windows 8 1 operating system on page 6 If the System Update program is not currently installed on your computer you can download it from the Lenovo Support Web site at http www lenovo com support Cleaning and maintenance With appropriate care and maintenance your computer will serve you reliably The following topics offer information to help you keep your computer in top working order e Basics on page 100 e Cleaning your computer on page 101 Computer on page 101 Keyboard on page 101 Optical mouse on page 101 Display screen on page 101 e Good maintenance practices on page 102 Basics Here are some basic points about keeping your computer functioning properly e Keep your
156. ry default settings click Restore your system and follow the instructions on the screen For more information about the features of the Rescue and Recovery workspace click Help Note After restoring your hard disk drive to the factory default state you might have to reinstall device drivers for some devices See Reinstalling device drivers on page 88 Creating and using a rescue medium With a rescue medium such as a disc or a USB hard disk drive you can recover the computer from failures that prevent you from gaining access to the Rescue and Recovery workspace on your hard disk drive Notes e The recovery operations you can perform using a rescue medium vary depending on the operating system e The rescue disc can be started in all types of optical drives Creating a rescue medium 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 gt All Programs gt Lenovo ThinkVantage Tools gt 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 3 Click the Create Rescue Media icon The Create Rescue and Recovery Media window opens 4 Inthe Rescue Media area select the type of the rescue medium you want to create You can create a rescue medium using a disc a USB hard disk drive or a seco
157. s air conditioner and microwave oven away from your computer because the strong magnetic fields generated by these appliances can damage the monitor and data on the hard disk drive Do not place any beverages on top of or beside the computer or other attached devices If liquid is spilled on or in the computer or an attached device a short circuit or other damage might occur Do not eat or smoke over your keyboard Particles that fall into your keyboard can cause damage Laser compliance statement A CAUTION When laser products such as CD ROMs DVD drives fiber optic devices or transmitters are installed note the following e 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 e Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure T A Some laser products contain an embedded Class 3A or Class 3B laser diode Note the following Laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to the beam viii ThinkCentre M73 User Guide Power supply statement Never remove the cover on a power supply or any part that has the following label attached Hazardous voltage current and energy levels are present inside any component that has this l
158. s in a protected hidden area of your hard disk drive that operates independently from the Windows operating system This enables you to perform recovery operations even if you cannot start the Windows operating system You can perform the following recovery operations from the Rescue and Recovery workspace e Rescue files from your hard disk drive or from a backup The Rescue and Recovery workspace enables you to locate files on your hard disk drive and transfer them to a network drive or other recordable media such as a USB device or a disc This solution is available even if you did not back up your files or if changes were made to the files since your last backup operation You can also rescue individual files from a Rescue and Recovery backup located on your local hard disk drive a USB device or a network drive e Restore your hard disk drive from a Rescue and Recovery backup If you have backed up your hard disk drive using the Rescue and Recovery program you can restore the hard disk drive from a Rescue and Recovery backup even if you cannot start the Windows operating system e Restore your hard disk drive to the factory default state The Rescue and Recovery workspace enables you to restore the complete contents of your hard disk drive to the factory default state If you have multiple partitions on your hard disk drive you have the option to restore the C partition and leave the other partitions intact Because the Rescue and Recovery wor
159. s in contact with your lap or any part of your body for an extended period when the products are functioning or when the battery is charging Your computer power adapter and many accessories produce some heat during normal operation Extended contact with the body could cause discomfort or potentially a skin burn e Do not charge the battery or operate your computer power adapter or accessories near flammable materials or in explosive environments e 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 Inspect your desktop computer for dust accumulation at least once every three months Before inspecting your computer turn off the power and unplug the computer s power cord from the electrical outlet then remove any dust from vents and perforations in the bezel If you notice external dust accumulation then examine and remove dust from the inside of the computer including heat sink inlet fins power supply vents and fans Always turn off and unplug the computer before opening the cover If possible avoid operating your computer within two feet of high traffic areas If you must operate your computer in or near a high traffic area inspect and if necessary clean your computer more frequently Copyright Lenovo
160. s your privacy For more information about how to use the firewall program refer to the help system of your firewall program The Windows operating system preinstalled on your computer provides the Windows Firewall For details on using the Windows Firewall refer to Help and Support on page 121 Protecting data against viruses 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 Note Virus definition files must be kept up to date to guard against new viruses 36 ThinkCentre M73 User Guide For more information about how to use your antivirus software refer to the help system of your antivirus software Chapter 4 Security 37 38 ThinkCentre M73 User Guide Chapter 5 Installing or replacing hardware This chapter provides instructions on how to install or replace hardware for your computer Handling static sensitive devices Do not open the static protective package containing the new part until the defective part has been removed from the computer and you are ready to install the new part Static electricity although harmless to you can seriously damage computer components and parts When you handle parts and other computer components take these precauti
161. soft Windows 8 operating system e Microsoft Windows 8 1 operating system Operating system s certified or tested for compatibility varies by model type e Linux 1 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 4 ThinkCentre M73 User Guide Specifications This section lists the physical specifications for your computer Dimensions Width 99 7 mm 3 93 inches Height 338 mm 13 31 inches Depth 385 mm 15 16 inches Weight Maximum configuration as shipped 6 6 kg 14 55 Ib without package Maximum configuration as shipped 8 96 kg 19 75 Ib with package Environment e Air temperature Operating 10 C to 35 C 50 F to 95 F Storage in original shipping package 40 C to 60 C 40 F to 140 F Storage without package 10 C to 60 C 14 F to 140 F e Humidity Operating 20 to 80 non condensing Storage 20 to 90 non condensing e Altitude Operating 15 2 to 3048 m 50 to 10 000 ft Storage 15 2 to 10 668 m 50 to 35 000 ft Electrical input e Input voltage Low range Minimum 100 V ac Maximum 127 V ac Inpu
162. ssword is forgotten there is no way to reset the password or recover data from the hard disk drive Setting changing and deleting a password To set change or delete a password do the following 92 ThinkCentre M73 User Guide Start the Setup Utility program See Starting the Setup Utility program on page 91 From the Setup Utility program main menu select Security Depending on the password type select Set Power On Password Set Administrator Password or Hard Disk Password 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 on page 92 Erasing lost or forgotten passwords clearing CMOS This section provides instructions on how to erase lost or forgotten passwords such as a user password To erase a lost or forgotten password 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 Open the computer cover See Removing the computer cover on page 40 Locate the Clear CMOS Recovery jumper on the system board See Locating parts on the system board on page 13 Move the jumper from the standard position pin 1 and pin 2 to the maintenance pos
163. swords are not case sensitive e Not be your name or your user name e Not be a common word or a common name e Be significantly different from your previous passwords Power On Password When a Power On Password is set you are prompted to type a valid password each time the computer is turned on The computer cannot be used until the valid password is typed in Administrator Password Setting an Administrator Password deters unauthorized users from changing configuration settings If you are responsible for maintaining the configuration settings of several computers you might want to set an Administrator Password When an Administrator Password is set you are prompted to type a valid password each time you try to access the Setup Utility program The Setup Utility program cannot be accessed until a valid password is typed in If both the Power On Password and Administrator Password are set you can type either password However you must use your Administrator Password to change any configuration settings Hard Disk Password Setting a Hard Disk Password prevents unauthorized access to the data on the hard disk drive When a Hard Disk Password is set you are prompted to type a valid password each time you try to access the hard disk drive Notes e After you set a Hard Disk Password your data on the hard disk drive is protected even if the hard disk drive is removed from one computer and installed in another e lf the Hard Disk Pa
164. t 8 Take the new solid state drive out of the static protective package Chapter 5 Installing or replacing hardware 53 9 Slide the new solid state drive into the solid state drive bracket as shown until the four holes in the drive are aligned with the corresponding holes in the bracket Then install the four screws to secure the new solid state drive to the bracket Figure 29 Installing the solid state drive into the bracket 10 Carefully slide the solid state drive bracket downward until it is secured by the three retaining clips E on the bottom of the optical drive bay Figure 30 Installing the solid state drive bracket 54 ThinkCentre M73 User Guide 11 Install the screw to secure the bracket on the bottom of the optical drive bay 9 S Figure 31 Installing the screw to secure the bracket on the bottom of the optical drive bay 12 Connect one end of the signal cable to the bottom of the new solid state drive and the other end to an available SATA connector on the system board See Locating parts on the system board on page 13 Then locate an available four wire power connector and connect it to the bottom of the new solid state drive What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 81 Installing or replacing the optical drive Atten
165. t connect to the network Symptom Your computer cannot connect to the network Actions Ensure that e The cable is installed properly The network cable must be securely connected to both the Ethernet connector of your computer and the RJ45 connector of the hub The maximum allowable distance from the computer to hub is 100 meters If the cable is connected and the distance is within acceptable limits but the problem persists try a different cable e The cable is installed properly e You are using the correct device driver On the Windows 7 operating system do the following 1 Click Start gt Control Panel 2 Click Hardware and Sound 3 Click Device Manager If you are prompted for an administrator password or confirmation type the password or provide confirmation 4 If an exclamation mark is displayed next to an adapter name under Network adapters you might not be using 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 On the Windows 8 or Windows 8 1 operating system do the following 1 Open Control Panel Note For detailed information on how to open Control Panel on Windows 8 and Windows 8 1 see Accessing Control Panel on the Windows 8 or Windows 8 1 operating system on page 20 2 Click Hardware and Sound 3 Click Device Manager If you are prompted for an administrator passwor
166. t frequency 50 60 Hz High range Minimum 200 V ac Maximum 240 V ac Input frequency 50 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 You can access Lenovo programs on the Windows 7 operating system through Windows Search or from Control Panel The icon name displayed in the search result or Control Panel might be different from the program name You can find the program by its program name or icon name as shown in the Lenovo programs available on the Windows 7 operating system table Chapter 1 Product overview 5 Note If you do not find the program you need open the Lenovo ThinkVantage Tools program to find the dimmed icon for the program Then double click the icon to install the program To access Lenovo programs through Windows Search do the following 1 Click the Start button and then type the program name or the icon name into the search box 2 Locate the program by the program name or the icon name and then click the program to launch it To access Lenovo programs from Control Panel do the following Note Some Lenovo programs might not be displayed in Control Panel To find these programs use Windows Search 1 Click Start gt Control Panel Change the view of Control Panel from Category to Large icons or Sm
167. t work Action The following could cause the fingerprint reader not to operate properly e Not enrolling your fingerprint correctly e Scratching the surface of the reader with a hard pointed object e Scraping the surface of the reader with your nail or anything hard e Using or touching the reader with a dirty finger e The surface of your finger is very different from when you enrolled your fingerprint The wireless keyboard does not work Symptom The wireless keyboard does not work Action If the Transceiver Communications LED is on and the wireless Keyboard does not work restart your computer If restarting your computer does not solve the problem verify that the following conditions are met e The batteries are properly installed e The batteries still retain their current 110 ThinkCentre M73 User Guide e The wireless Keyboard is located less than ten meters away from the transceiver e The transceiver is fully installed Action If the Transceiver Communications LED is not on reconnect the transceiver and the keyboard Monitor problems Note Many monitors have status indicator lights and built in controls for adjusting brightness contrast width height and other picture adjustments However the controls vary from monitor type to monitor type For information about the status lights and using the controls refer to the documentation that comes with your monitor Select your symptom from the following list e
168. tarting the Setup Utility program To start the Setup Utility program do the following 1 Make sure your computer is turned off 2 Repeatedly press and release the F1 key when turning on the computer When you hear multiple beeps or see a logo screen release the F1 key Note If a Power On Password or an Administrator Password has been set the Setup Utility program menu will not be displayed until you type the correct password For more information see Using passwords on page 91 When the POST detects that the hard disk drive has been removed from your computer or the memory module size has decreased an error message will be displayed when you start the computer and you will be prompted to do one of the following e Press F1 to enter the Setup Utility program Note After you enter the Setup Utility program press F10 to save changes and exit the Setup Utility program Press Enter when prompted to confirm the exit The error message will not be displayed again e Press F2 to bypass the error message and log in to the operating system Note You have to enable the configuration change detection feature for the POST to detect the removal of the hard disk drive and memory module size decrease To enable the configuration change detection feature do the following 1 Start the Setup Utility program 2 From the Setup Utility program main menu select Security gt Configuration Change Detection and press Enter 3 Select Enabled
169. tate drive into the storage converter so that the holes in the drive are aligned with the corresponding holes in the converter Then install the four screws to secure the solid state drive to the converter Figure 26 Installing the solid state drive into the storage converter Replacing the solid state drive on the bottom of the optical drive bay To replace the solid state drive on the bottom of the optical drive bay do the following 1 2 3 Pivot the drive bay assembly upward See Accessing the system board components and drives 52 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 Remove the computer cover See Removing the computer cover on page 40 Remove the front bezel See Removing and reinstalling the front bezel on page 40 on page 42 Disconnect the signal cable and the power cable from the solid state drive ThinkCentre M73 User Guide 6 Remove the screw lj and then carefully slide the solid state drive bracket upward to remove the bracket from the bottom of the optical drive bay Figure 27 Removing the solid state drive bracket 7 Remove the four screws that secure the solid state drive to the bracket Then slide the drive as shown to remove it from the bracket Figure 28 Removing the solid state drive from the bracke
170. ter Other software works on your computer The software you are using works correctly on another computer e If you received any error messages while using the software program see the printed documentation supplied with the software or the help system for that software for a description of the messages and solutions to the problem e Check with your software manufacturer to see if any updates are available Many software manufacturers make updates available from the World Wide Web e If the software program used to work correctly but does not work correctly now do the following On the Windows 7 operating system click Start gt Control Panel gt System and Security gt System gt System Protection gt System Restore Then follow the instructions on the screen On the Windows 8 or Windows 8 1 operating system open Control Panel and click System and Security gt System gt System Protection gt System Restore Then follow the instructions on the screen Note For detailed information on how to open Control Panel on Windows 8 and Windows 8 1 see Accessing Control Panel on the Windows 8 or Windows 8 1 operating system on page 20 e If you are unable to resolve the problem through other methods uninstall the software program and reinstall it Chapter 10 Troubleshooting and diagnostics 119 If these actions do not correct the problem you might need technical assistance Contact your software manufact
171. the countries where service is available go to http www lenovo com support click Warranty and follow the instructions on the screen For technical assistance with the installation of or questions related to Service Packs for your preinstalled Microsoft Windows product refer to the Microsoft Product Support Services Web site at http support microsoft com directory or you can contact the Customer Support Center Some fees might apply Purchasing additional services During and after the warranty period you can purchase additional services such as support for hardware operating systems and application programs network setup and configuration upgraded or extended hardware repair services and custom installations 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 Chapter 11 Getting information help and service 123 124 ThinkCentre M73 User Guide Appendix A Notices Lenovo may not offer the products services or features discussed in this document in all countries Consult your local 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 a
172. the top right or bottom right corner of the screen to display the charms and click Search Then type Magnifier into the search field In the list of results click Magnifier For more information about how to use and configure Magnifier see the Windows Help and Support information system Note For touch screen computer models you also can zoom in and zoom out by using touch gestures instead of the keyboard See Zoom on page 30 Zoom You can use the zoom feature to enlarge or reduce the size of text pictures maps or other objects e From the keyboard Zoom in Press the Windows logo key the plus sign key to enlarge the size of text pictures maps or other objects Zoom out Press the Windows logo key the minus sign key to reduce the size of text pictures maps or other objects e From the touch screen Zoom in Move two fingers farther apart on the touch screen to enlarge the size of text pictures maps or other objects Zoom out Move two fingers closer together on the touch screen to reduce the size of text pictures maps or other objects Screen resolution You can make your documents easier to read by adjusting the screen resolution of your computer To adjust the screen resolution right click anywhere on the desktop click Screen resolution and then adjust the settings as you prefer Note Setting too low of a resolution might prevent some items from fitting on the screen For
173. there are no moving parts in your computer after the power cord has been disconnected the following warnings are required for your safety CAUTION Hazardous moving parts Keep fingers and other body parts away CAUTION Before you open the computer cover turn off the computer and wait several minutes until the computer is cool Static electricity prevention Static electricity although harmless to you can seriously damage computer components and options Improper handling of static sensitive parts can cause damage to the part When you unpack an option Copyright Lenovo 2013 2014 v 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 e Limit your movement Movement can cause static electricity to build up around you e Always handle components carefully Handle adapters memory modules and other circuit boards by the edges Never touch exposed circuitry e Prevent others from touching components e When you install a static sensitive option or CRU touch the static protective package containing the part to a metal expansion slot cover or other unpainted metal surface on the computer for at least two seconds This reduces static electricity in the package and your body e When possible remove the static sensit
174. these actions do not correct the problem you might have a failing speaker Have the speaker serviced If you need technical assistance see Chapter 11 Getting information help and service on page 121 No audio in DOS applications or games Symptom No audio in DOS applications or games Actions e Make sure the DOS application or game is configured to use SoundBlaster Pro or SoundBlaster emulation Refer to the documentation that comes with the application or game for instructions on setting sound card settings e f 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 121 CD problems Select your symptom from the following list e An audio disc or AutoPlay enabled disc does not automatically play when it is inserted into a CD drive on page 107 e ACD or DVD does not work on page 107 e Unable to use a startable bootable recovery medium such as the Product Recovery CD to start your computer on page 107 106 ThinkCentre M73 User Guide An audio disc or AutoPlay enabled disc does not automatically play when it is inserted into a CD drive Symptom An audio disc or AutoPlay enabled disc does not automatically play when it is inserted into a CD drive Actions e If you have multiple CD or DVD drives installed or a combination of CD and DVD drives try inserting the disc into t
175. ting or any equipment that produces magnetic fields further away from the monitor If this does not correct the problem do the following 1 Turn off the monitor Moving a color monitor while it is turned on might cause screen discoloration 2 Adjust the placement of the monitor and other devices so that they are at least 305 mm 12 inches apart 3 Turn on the monitor If these actions do not correct the problem your monitor might need service See Chapter 11 Getting information help and service on page 121 for details Networking problems The following are the most common networking problems Select your networking problem from the following list e Ethernet problems on page 113 112 ThinkCentre M73 User Guide e A wireless LAN problem on page 114 e A wireless WAN problem on page 115 e Bluetooth problem on page 115 For more information see Help and Support on page 121 Ethernet problems For Ethernet problems select your symptom from the following list e Your computer cannot connect to the network on page 113 e The adapter stops working for no apparent reason on page 114 e If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps the connection fails or errors occur on page 114 e If your computer is a Gigabit Ethernet model it cannot connect to the network at 1000 Mbps Instead it connects at 100 Mbps on page 114 Your computer canno
176. tion 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 replace the optical drive Note The optical drive is only available in some models To replace the optical drive 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 40 3 Remove the front bezel See Removing and reinstalling the front bezel on page 40 4 Pivot the drive bay assembly upward See Accessing the system board components and drives on page 42 5 Disconnect the signal cable and the power cable from the optical drive Chapter 5 Installing or replacing hardware 55 6 Hold the optical drive and remove the two screws that secure the optical drive Figure 32 Removing the optical drive screws 7 Slightly press the drive bay assembly clip J inward and pivot the drive bay assembly downward as shown Figure 33 Lowering the drive bay assembly 56 ThinkCentre M73 User Guide 8 Slide the optical drive out of the front of the computer Figure 34 Removing the optical drive 9 Slide the new optical drive into the optical drive bay from the front of the computer Figure 35 Installing a new optical drive Chapter 5 Installing or replacing hardware 57 10 Hold the new optica
177. tions 92 Power On Password 92 setting changing deleting 92 passwords erasing 93 lost or forgotten 93 passwords using 91 PCI Express card 45 installing replacing 45 physical specifications 5 power features 3 power supply assembly 142 ThinkCentre M73 User Guide replacing 61 power on self test POST 97 Power On Password 92 programs updating system 97 purchasing additional services 123 R rear connectors 10 rear WiFi antenna installing removing 75 recovering from a POST BIOS update failure 98 software 83 recovery boot block 98 operations backup and 84 problems solving 88 recovery media creating and using 83 removing reinstalling front bezel 40 replacing battery 47 hard disk drive 48 heat sink and fan assembly 58 keyboard 79 microprocessor 65 mouse 80 power supply assembly 61 solid state drive 50 system fan assembly 68 Rescue and Recovery 83 workspace Rescue and Recovery 85 Rescue and Recovery workspace 85 resources information 121 S safety v safety information 121 security enabling or disabling 93 features 3 selecting startup device 94 temporary startup device 94 serial pot 11 service and help 122 customer support center 122 getting 121 services other 123 purchasing additional 123 setting password 92 settings changing 91 viewing 91 Setup Utility 91 Setup Utility program starting 91 Setup Utility exiting 96 software recovering 83 solid state drive replaci
178. tting information help and service on page 121 for more information Troubleshooting Use the troubleshooting information to find solutions to problems that have definite symptoms 104 ThinkCentre M73 User Guide If the symptom your computer is experiencing occurred immediately after you installed a new hardware option or new software 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 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 Run the diagnostic program to ensure your computer is operating correctly 3 Reinstall the new hardware option or software following the manufacturer s instructions Select the problem your computer is experiencing from the following list e Audio problems on page 105 e CD problems on page 106 e DVD problems on page 107 e Intermittent problems on page 109 e Keyboard mouse or pointing device problems on page 109 e Monitor problems on page 111 e Networking problems on page 112 e Option problems on page 115 e Performance and lockup problems on page 116 e Printer problems on page 118 e Serial port problems on page 118 e Software problems on page 119 e USB problems on
179. ule open the retaining clips and gently pull the memory module out of the memory slot Figure 14 Removing a memory module e If you are installing a memory module open the retaining clips of the memory slot into which you want to install the memory module Figure 15 Opening the retaining clips 44 ThinkCentre M73 User Guide 8 Position the new memory module over the memory slot Make sure that the notch J on the memory module aligns correctly with the slot key Jon the system board Push the memory module straight down into the slot until the retaining clips close Figure 16 Installing a memory module What to do next e To work with another piece of hardware go to the appropriate section e To complete the installation or replacement go to Completing the parts replacement on page 81 Installing or replacing a PCI Express card 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 replace a PCI Express card Your computer has two PCI Express x1 card slots and one PCI Express x16 graphics card slot To install or replace a PCI Express card 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
180. up and restore data See Performing backup and recovery operations on page 84 for more information 2 Remove all media diskettes compact discs tapes and so on from the drives 3 Turn off the computer and all attached devices Your hard disk drive automatically parks the read write head in a nondata area This prevents damage to the hard disk drive 4 Unplug the power cords from electrical outlets 5 Disconnect communication cables such as modem or network cables 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 and packing materials use them to pack the units If you are using different cartons cushion the units to avoid damage 102 ThinkCentre M73 User Guide Chapter 10 Troubleshooting and diagnostics This chapter describes some basic troubleshooting and diagnostic program If your computer problem is not described here see Chapter 11 Getting information help and service on page 121 for additional troubleshooting resources Basic troubleshooting The following table provides information 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 Safety Warranty and Setup Guide that comes with your computer or go to the
181. ur 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 front audio and USB assembly To replace the front audio and USB 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 outlets and disconnect all cables that are connected to the computer 2 Remove the computer cover See Removing the computer cover on page 40 Chapter 5 Installing or replacing hardware 67 3 Remove the front bezel See Removing and reinstalling the front bezel on page 40 4 Pivot the drive bay assembly upward and disconnect the front audio and USB assembly cables from the system board and note the cables routing See Locating parts on the system board on page 13 5 Lower the drive bay assembly See Accessing the system board components and drives on page 42 6 Remove the screw that secures the front audio and USB assembly bracket Then remove the front audio and USB assembly bracket from the chassis Figure 48 Removing the front audio and USB assembly 7 Remove the two screws that secure the front audio and USB assembly to its bracket Then remove the failing front audio and USB assembly from the bracket 8 Install a new front audio and USB assembly into the bracket and install the two screws to secure
182. urer or see Chapter 11 Getting information help and service on page 121 for details USB problems Symptom The USB connectors cannot be accessed Actions e Make sure the USB cable is securely connected to the USB connector and to the USB device If the USB device has its own power cord make sure it is attached to a properly grounded electrical outlet e f the USB device has its own On Off switch make sure it is in the On position e f the USB device has an Online switch make sure it is in the Online position e lf the USB device is a printer make sure paper is loaded correctly e Make sure any device drivers or other software supplied with the USB device is correctly installed Refer to the documentation for the USB device e Reset the device by detaching and reattaching the USB connector If these actions do not correct the problem run the Lenovo Solution Center program If the USB device came with its own diagnostics run those diagnostics against the USB device If you need technical assistance see Chapter 11 Getting information help and service on page 121 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 support information along with hints and tips for maximum system performance Notes e The Lenovo Solution Center program can be downloaded from http
183. urn on Audio Description Narrator Narrator is a screen reader that reads what is displayed on the screen aloud and describes events like error messages To open Narrator do the following e For Windows 7 Click the Start button Then type Narrator into the search field In the list of results click Narrator e For Windows 8 or Windows 8 1 Move your pointer to the top right or bottom right corner of the screen to display the charms and click Search Then type Narrator into the search field In the list of results click Narrator For more information about how to use and configure Narrator see the Windows Help and Support information system Screen reader technologies Screen reader technologies are primarily focused on software program interfaces help information systems and a variety of online documents For additional information about screen readers see the following e Using PDFs with screen readers http www adobe com accessibility html promoid DJGVE e Using the JAWS screen reader http www freedomscientific com jaws hq asp e Using the NVDA screen reader http www nvaccess org Speech Recognition Speech Recognition enables you to control your computer by voice Using only your voice you can start programs open menus click buttons and other objects on the screen dictate text into documents and write and send e mails Everything you do with the keyboard and mouse can be done with only your voice To
184. user s authority to operate the equipment This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Responsible Party Lenovo United States Incorporated 1009 Think Place Building One Morrisville NC 27560 Phone Number 919 294 5900 Copyright Lenovo 2013 2014 127 KE Industry Canada Class B emission compliance statement This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe B est conforme a la norme NMB 003 du Canada European Union Compliance to the Electromagnetic Compatibility Directive This product is in conformity with the protection requirements of EU Council Directive 2004 108 EC on the approximation of the laws of the Member States relating to electromagnetic compatibility Lenovo cannot accept responsibility for any failure to satisfy the protection requirements resulting from a non recommended modification of the product including the installation of option cards from other manufacturers This product has been tested and found to comply with the limits for Class B Information Technology Equipment according to European Standard EN 55022 The limits for Class B equipment were derived for typical residential environments to provide reasonable protection against
185. using a sort feature dates do not sort in the correct order Symptom When using a sort feature dates do not sort in the correct order Action Some software developed before the year 2000 used only the last two digits of a year to sort dates always assuming the first two digits were 19 Consequently these programs sort dates out of order Check with your software manufacturer to see if any updates are available Many software manufacturers make updates available from the World Wide Web Software does not work as expected Symptom Software does not work as expected Actions e Most software programs have built in help systems that provide instructions for most tasks If you are having difficulty performing a specific task within a software program refer to the help system for that program Help systems are typically accessible from a menu or button in the program and frequently from the F1 key e If you are having difficulty with the Windows operating system or one of its components refer to the Windows help system It is accessible from the Windows Start menu e To determine if problems are caused by newly installed software verify that Your computer has the minimum memory requirements needed to use the software See the information supplied with the software to verify memory requirements If you just installed an adapter or memory you might have a memory address conflict The software is designed to operate on your compu
186. ve 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 121 Intermittent problems Symptom A problem occurs only occasionally and is difficult to repeat Actions e Verify that all cables and cords are securely connected to the computer and attached devices e Verify that when the computer is on the fan grill is not blocked there is air flow around the grill and the fans are working If airflow is blocked or the fans are not working the computer might overheat e If SCSI devices are installed verify that the last external device in each SCSI chain is terminated correctly See your SCSI documentation 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 121 Keyboard mouse or pointing device problems Select your symptom from the following list e All or some keys on the keyboard do not work on page 109 e The mouse or pointing device does not work on page 110 e The pointer on the screen does not move smoothly with the mouse on page 110 e The fingerprint reader does not work on page 110 e The wireless keyboard does not work on page 110 A
187. vided 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 at home and need to dispose of a lithium battery you must comply with local ordinances and regulations Recycling information for Brazil Declara es de Reciclagem no Brasil Descarte de um Produto Lenovo Fora de Uso Equipamentos el tricos e eletr nicos nao devem ser descartados em lixo comum mas enviados a pontos de coleta autorizados pelo fabricante do produto para que sejam encaminhados e processados por empresas especializadas no manuseio de res duos industriais devidamente certificadas pelos org os ambientais de acordo com a legisla o local A Lenovo possui um canal espec fico para auxili lo no descarte desses produtos Caso voc possua um produto Lenovo em situa o de descarte ligue para o nosso SAC ou encaminhe um e mail para reciclar lenovo com informando o modelo n mero de s rie e cidade a fim de enviarmos as instru es para o correto descarte do seu produto Lenovo Battery recycling information for Taiwan ee a Mb ws E Battery recycling information for the European Union EU Notice This mark applies only to countries within the European Union EU 132 ThinkCentre M73 User Guide Batteries or packaging for batteries are labeled in accordance with European Directive 2006 66 EC
188. y and damage to your product If you no longer have a copy of the Safety Warranty and Setup Guide you can obtain a Portable Document Format PDF version from the Lenovo Support Web site at http www lenovo com support 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 Only use a Service Provider who is approved to repair your particular product Note Some computer parts can be upgraded or replaced by the customer Upgrades typically are referred to as options 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 The Off state of a power indicator does not necessarily mean that voltage levels inside a product are zero Before you remove the covers from a product equipped with a power cord always make sure that the power is turned off and that the product is unplugged from any power source For more information on CRUs refer to Chapter 5 Installing or replacing hardware on page 39 If you have any questions or concerns contact the Customer Support Center Although
189. y assembly in place Note Use only screws provided by Lenovo Figure 43 Installing the power supply assembly 9 Connect the new power supply assembly cables to all drives and the system board See Locating parts on the system board on page 13 64 ThinkCentre M73 User Guide 10 Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until the two screw holes in the heat sink fan duct are aligned with those in the heat sink and fan assembly Install the two screws to secure the heat sink fan duct Figure 44 Installing the heat sink fan duct What to do next e To work with another piece of hardware go to the appropriate section e To complete the replacement go to Completing the parts replacement on page 81 Replacing the microprocessor 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 microprocessor CAUTION The heat sink and microprocessor might be very hot Before you open the computer cover turn off the computer and wait several minutes until the computer is cool To replace the microprocessor 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
190. y notice Ouvir sons com mais de 85 decib is por longos periodos pode provocar danos ao sistema auditivo Mexico regulatory notice Advertencia En Mexico la operaci n de este equipo estasujeta a las siguientes dos condiciones 1 es posible que este equipo o dispositivo no cause interferencia perjudicial y 2 este equipo o dispositivo debe aceptar cualquier interferencia incluyendo la que pueda causar su operaci n no deseada Appendix B Regulatory information 129 Additional regulatory information For additional regulatory information refer to the Regulatory Notice shipped with your computer Depending on the configuration of your computer and the country or region where the computer was purchased you might have received additional printed regulatory notices All regulatory notices are available on the Lenovo Support Web site in electronic format To access electronic copies of the documentation go to http www lenovo com support and click User Guides and Manuals 130 ThinkCentre M73 User Guide Appendix C WEEE and recycling information Lenovo encourages owners of information technology IT equipment to responsibly recycle their equipment when it is no longer needed Lenovo offers a variety of programs and services to assist equipment owners in recycling their IT products For information on recycling Lenovo products go to http www lenovo com recycling Important WEEE information The WEEE marking on Lenovo

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