Page 1 ThinkCentre E73 User Guide Machine Types: 10AU, 10AW, 10BF, and 10BG...
Page 2 “Important safety information” on page v and Appendix A “Notices” on page 127. Second Edition (November 2013) © Copyright Lenovo 2013. 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.
Page 3: Table Of Contents
8 or Windows 8.1 operating system ..An introduction to Lenovo programs ..Attaching a Kensington-style cable lock..Locations....
Page 4 Exiting the Setup Utility program ..Lenovo Web site ... . Chapter 8. Updating system Lenovo Support Web site..
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Page 7: Important Safety Information
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.
Page 8: Power Cords And Power Adapters
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. ThinkCentre E73 User Guide...
Page 9: Plugs And Outlets
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 2013...
Page 10: Operating Environment
• Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote risk of electric shock from lightning. • Do not use the telephone to report a gas leak in the vicinity of the leak. viii ThinkCentre E73 User Guide...
Page 11: Laser Compliance Statement
Do not spray any liquid detergent directly on the computer or use any detergent containing flammable material to clean the computer. Spray the detergent on a soft cloth and then wipe the computer surfaces. © Copyright Lenovo 2013...
Page 12 ThinkCentre E73 User Guide...
Page 13: Chapter 1. Product Overview
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.
Page 14 • 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. ThinkCentre E73 User Guide...
Page 15 Input/Output (I/O) features • One DisplayPort connector • One Ethernet connector • One 9-pin serial connector (optional) • One VGA monitor connector • Six Universal Serial Bus (USB) connectors – Two USB 2.0 connectors on the front panel – Two USB 2.0 connectors on the rear panel –...
Page 16 The operating system(s) listed here are being certified or tested for compatibility at the time this publication goes to press. Additional operating systems might be identified by Lenovo as compatible with your computer following the publication of this manual. This list is subject to change. To determine if an operating system has been certified or tested for compatibility, check the Web site of the operating system vendor.
Page 17: Specifications
Voltage-selection switch setting: 230 V ac Lenovo programs Your computer comes with Lenovo programs to help you work more easily and securely. Depending on the Windows operating system preinstalled, the programs might vary. Accessing Lenovo programs on the Windows 7 operating system On the Windows 7 operating system, you can access Lenovo programs from either the Lenovo ®...
Page 18 Note: If you do not find the program you need in Control Panel, open the Lenovo ThinkVantage Tools program navigation window and double-click the dimmed icon to install the program you need. Then, follow the instructions on the screen.
Page 19: Accessing Lenovo Programs On The Windows 8 Or Windows 8.1 Operating System
• On the Windows 8.1 operating system, press the Windows key to go to the Start screen. Click a Lenovo program to launch it. If you cannot find the program you need, 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.
Page 20 • Lenovo Cloud Storage The Lenovo Cloud Storage program is a cloud storage solution that enables you to store your files, such as documents and pictures, on a server. You can access the stored files through the Internet from different devices such as personal computers, smart phones, or tablets. For more information about the Lenovo Cloud Storage program, go to http://www.lenovo.com/cloud.
Page 21: Locations
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.
Page 22: Locating Connectors On The Rear Of Your Computer
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. ThinkCentre E73 User Guide...
Page 23 Connector Description DisplayPort connector Used to attach a high-performance monitor, a direct-drive monitor, or other devices that use a DisplayPort connector. Ethernet connector 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.
Page 24: Locating Components
Heat sink and fan assembly System fan assembly Power supply assembly Thermal sensor Memory modules (2) Hard disk drive Optical drive PCI Express card (installed in some models) Front audio and USB assembly Heat sink fan duct Front bezel ThinkCentre E73 User Guide...
Page 25: Locating Parts On The System Board
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. Figure 4. System board part locations 4-pin power connector Front panel connector (for connecting LED indicators and the power switch) Microprocessor Front USB connector 1 (for connecting USB ports 1 and 2...
Page 26: Locating Internal Drives
Bay 2 - Optical drive bay (with an optical drive installed in some models) Bay 3 - Slim card reader drive bay (with a slim card reader installed in some models) Bay 4 - Hard disk drive bay (with a 2.5-inch or 3.5-inch SATA hard disk drive installed) ThinkCentre E73 User Guide...
Page 27: Machine Type And Model Label
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.
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Page 29: Chapter 2. Using Your Computer
“Creating recovery media” on page 82. Additionally, in case of a hard disk failure, you can order Product Recovery discs from the Lenovo Customer Support Center. For information about contacting the Customer Support Center, see Chapter 11 “Getting information, help, and service”...
Page 30: Navigating Among Screens On The Windows 8 And Windows 8.1 Operating Systems
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: • Method 1 ThinkCentre E73 User Guide...
Page 31: Navigating On Windows 8.1
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. • Method 2 1. Swipe in from the left edge of the screen to navigate to the next available workspace. 2.
Page 32: Accessing Control Panel On The Windows 8 Or Windows 8.1 Operating System
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. ThinkCentre E73 User Guide...
Page 33: Using The Keyboard
Some computers might come with a keyboard that has a fingerprint reader. For more information about the fingerprint reader, see “An introduction to Lenovo programs” on page 7. To open the ThinkVantage Fingerprint Software program and use the fingerprint reader, see “Lenovo programs” on page 5.
Page 34: Using The Wheel Mouse
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: ThinkCentre E73 User Guide...
Page 35: Setting The Volume From Control Panel
1. From the Windows desktop, click Start ➙ Control Panel ➙ Appearance and Personalization. 2. In the Taskbar and Start Menu section, click Customize icons on the taskbar. 3. Click Turn system icons on or off and change the volume behaviors from Off to On. 4.
Page 36: Handling And Storing Cd And Dvd Media
If your computer comes with a recordable DVD drive, you can use the drive to record CDs or DVDs. To record a CD or DVD, do one of the following: • On the Windows 7 operating system, you have either the Corel DVD MovieFactory Lenovo Edition program or the Power2Go program installed on your computer.
Page 37 – To run the Power2Go program, click Start ➙ All Programs ➙ PowerDVD Create ➙ Power2Go. Follow the instructions on the screen. • 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.
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Page 39: Copyright Lenovo
The following topics provide information about arranging your work area, setting up your computer equipment, and establishing healthy work habits. Lenovo is committed to providing people with disabilities greater access to information and technology. As a result, the following information provides ways to help users that have hearing, vision, and mobility limitations get the most out of their computer experience.
Page 40: Glare And Lighting
• 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. ThinkCentre E73 User Guide...
Page 41: 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.
Page 42: Replacement Power Cords
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...
Page 43: Chapter 4. Security
For more information, see “Selecting or changing the startup device sequence” on page 92. • Startup without keyboard or mouse Your computer is able to log in to the operating system without keyboard or mouse connected. © Copyright Lenovo 2013...
Page 44: 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 ThinkCentre E73 User Guide...
Page 45: Attaching A Kensington-Style Cable Lock
The cable lock also locks the buttons used to open the computer cover. This is the same type of lock used with many notebook computers. You can order such a cable lock directly from Lenovo by searching for Kensington at: http://www.lenovo.com/support Figure 8.
Page 46: Windows Passwords
Your computer is preinstalled with an antivirus program to help you guard against, detect, and eliminate viruses. Lenovo provides a full version of antivirus software on your computer with a free 30-day subscription. After 30 days, you must renew the license to continue receiving the antivirus software updates.
Page 47 For more information about how to use your antivirus software, refer to the help system of your antivirus software. Chapter 4 Security...
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Page 49: Chapter 5. Installing Or Replacing Hardware
Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page v. Notes: 1. Use only computer parts provided by Lenovo. 2. When installing or replacing an option, use the appropriate instructions in this section along with the instructions that come with the option.
Page 50: 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. ThinkCentre E73 User Guide...
Page 51 To remove and reinstall the front bezel, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Remove the computer cover. See “Removing the computer cover” on page 38. 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.
Page 52: Accessing The System Board Components And Drives
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 38. 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 ThinkCentre E73 User Guide...
Page 53: Installing Or Replacing A Pci Express Card
5. To lower the drive bay assembly, press the drive bay assembly clip inward and pivot the drive bay assembly downward as shown. Figure 13. Lowering the drive bay assembly 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.
Page 54 Note: If you are installing a PCI Express x16 graphics card, make sure that the memory slot retaining clips are closed before you install the graphics card. 6. Install the screw to secure the new PCI Express card in place. ThinkCentre E73 User Guide...
Page 55: Installing Or Replacing A Memory Module
What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to “Completing the parts replacement” on page 78. Installing or replacing a memory module Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
Page 56: Replacing The Battery
Your computer has a special type of memory that maintains the date, time, and settings for built-in features, such as parallel-connector assignments (configuration). A battery keeps this information active when you turn off the computer. ThinkCentre E73 User Guide...
Page 57 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”...
Page 58: Replacing The Hard Disk Drive
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 38. 4. Note the location of the four screws that secure the hard disk drive. Then, pivot the drive bay assembly upward. Figure 20. Pivoting the drive bay assembly ThinkCentre E73 User Guide...
Page 59 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 21. 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.
Page 60: Replacing The Optical Drive
4. Pivot the drive bay assembly upward. See “Accessing the system board components and drives” on page 40 5. Disconnect the signal cable and the power cable from the optical drive. 6. Hold the optical drive and remove the two screws that secure the optical drive. ThinkCentre E73 User Guide...
Page 61 Figure 24. Removing the optical drive 7. Press the drive bay assembly clip inward and pivot the drive bay assembly downward as shown. Figure 25. Lowering the drive bay assembly 8. Slide the optical drive out of the front of the computer. Chapter 5 Installing or replacing hardware...
Page 62 10. Hold the new optical 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. ThinkCentre E73 User Guide...
Page 63: Replacing The Solid-State Drive
Figure 28. 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 five-wire power connector and connect it to the rear of the new optical drive.
Page 64 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 30. Removing the solid-state drive from the storage converter 2. Take the new solid-state drive out of the static-protective package. ThinkCentre E73 User Guide...
Page 65 3. Position the solid-state 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 31. 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.
Page 66 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 33. Removing the solid-state drive from the bracket 8. Take the new solid-state drive out of the static-protective package. ThinkCentre E73 User Guide...
Page 67 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 34.
Page 68: Replacing The Power Supply Assembly
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: ThinkCentre E73 User Guide...
Page 69 Hazardous moving parts. Keep fingers and other body parts away. 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.
Page 70 Lift the power supply assembly out of the computer. Figure 38. Removing the power supply assembly 7. Make sure that the new power supply assembly is the correct replacement. ThinkCentre E73 User Guide...
Page 71 Then, install the three screws to secure the new power supply assembly in place. Note: Use only screws provided by Lenovo. Figure 39. Installing the power supply assembly 9.
Page 72: Replacing The Heat Sink And Fan Assembly
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 38. 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 38. ThinkCentre E73 User Guide...
Page 73 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 heat sink and fan assembly cable from the microprocessor fan connector on the system board.
Page 74 10. 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. 11. Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until it snaps into position. ThinkCentre E73 User Guide...
Page 75: Replacing The Microprocessor
Figure 43. Installing the heat sink fan duct What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to “Completing the parts replacement” on page 78. Replacing the microprocessor Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
Page 76 Figure 44. Accessing the microprocessor 6. Lift the microprocessor straight up and out of the microprocessor socket. Figure 45. Removing the microprocessor Notes: a. Your microprocessor and socket might look different from the one illustrated. ThinkCentre E73 User Guide...
Page 77 b. Note the orientation of the microprocessor in the socket. You can either look for the small triangle on one corner of the microprocessor or note the orientation of the notches on the microprocessor. This is important when installing the new microprocessor on the system board. c.
Page 78: Replacing The System Fan Assembly
Note: The new system fan assembly will have four new rubber mounts attached. Figure 47. Removing the system fan assembly ThinkCentre E73 User Guide...
Page 79: Replacing The Front Audio And Usb Assembly
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.
Page 80: Replacing The Wifi Units
• To complete the installation or replacement, go to “Completing the parts replacement” on page 78. 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. ThinkCentre E73 User Guide...
Page 81: Removing The Wifi Adapter Card
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: • “Removing the WiFi adapter card” on page 69 •...
Page 82 WiFi card module. Figure 51. Removing the WiFi antenna cables 2. Remove the two screws that secure the WiFi card module to the WiFi adapter card. Figure 52. Removing the screws that secure the WiFi card module ThinkCentre E73 User Guide...
Page 83 3. Pull the WiFi card module out of the mini PCI Express slot to remove it from the WiFi adapter card. Figure 53. Removing the WiFi card module Installing the WiFi units To install the WiFi units, do the following: Chapter 5 Installing or replacing hardware...
Page 84 WiFi card module to the WiFi adapter card. Figure 54. Installing the WiFi card module 2. Connect the front antenna cable and rear antenna cable to the WiFi card module. Figure 55. Connecting the WiFi antenna cables ThinkCentre E73 User Guide...
Page 85: Installing Or Removing The Rear Wifi Antenna
3. Locate the two PCI Express x1 slots on the system board. See “Locating parts on the system board” on page 13. 4. 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.
Page 86: Removing The Rear Wifi Antenna
3. Hold the thicker end of the rear WiFi antenna and unscrew the WiFi antenna from the rear of the computer. Figure 58. Removing the rear WiFi antenna What to do next: • To work with another piece of hardware, go to the appropriate section. ThinkCentre E73 User Guide...
Page 87: Installing Or Removing The Front Wifi Antenna
• To complete the installation or replacement, go to “Completing the parts replacement” on page 78. 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.
Page 88: Removing The Front Wifi Antenna
2. Remove the computer cover. See “Removing the computer cover” on page 38. 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 38. 4. Disconnect the front antenna cable from the WiFi card module. ThinkCentre E73 User Guide...
Page 89: Replacing The Keyboard Or Mouse
5. Remove the front antenna and cable from the front of the computer. Figure 61. Removing the front WiFi antenna What to do next: • To work with another piece of hardware, go to the appropriate section. • To complete the installation or replacement, go to “Completing the parts replacement” on page 78. Replacing the keyboard or mouse Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
Page 90: Completing The Parts Replacement
7. If there is a Kensington-style cable lock available, lock the computer. See “Attaching a Kensington-style cable lock” on page 33. 8. Reconnect the external cables and power cords to the computer. See “Locating connectors on the rear of your computer” on page 10. ThinkCentre E73 User Guide...
Page 91: Obtaining Device Drivers
9. To update your configuration, refer to Chapter 7 “Using the Setup Utility program” on page 89. 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.
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Page 93: Chapter 6. Recovery Information
Recovery program or the Product Recovery program installed. If the Enhanced Backup and Restore icon in the Lenovo ThinkVantage Tools program is dimmed, it indicates that you need to install the Rescue and Recovery program manually before enabling its features. To install the Rescue and Recovery program, do the following: a.
Page 94: Performing Backup And Recovery Operations
“creating Product Recovery discs.” To create recovery media on the Windows 7 operating system, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ Factory Recovery Disks. Then, follow the instructions on the screen.
Page 95: Using The Rescue And Recovery Workspace
To perform a recovery operation using the Rescue and Recovery program on the Windows 7 operating system, do the following: 1. From the Windows desktop, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ Enhanced Backup and Restore. The Rescue and Recovery program opens.
Page 96: Creating And Using A Rescue Medium
This section provides instructions on how to create a rescue medium on different operating systems. To create a rescue medium on the Windows 7 operating system, do the following: 1. From the Windows desktop, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ Enhanced Backup and Restore. The Rescue and Recovery program opens.
Page 97: Reinstalling Preinstalled 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. Go to the C:\SWTOOLS directory. 3. Open the apps folder. Within the apps folder, there are several subfolders named for various applications installed in your computer.
Page 98: Reinstalling Software Programs
• To reinstall most commercially available programs in your system, see Microsoft Windows help system for more information. • To reinstall selected application programs that came preinstalled from Lenovo, do the following: 1. Turn on the computer. 2. Go to the C:\SWTOOLS directory.
Page 99: Recovery Information For The Windows 8 Or Windows 8.1 Operating System
Recovery information for the Windows 8 or 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.
Page 100: Recovering Your Operating System If Windows 8 Or Windows 8.1 Fails To Start
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. ThinkCentre E73 User Guide...
Page 101: Chapter 7. Using The Setup Utility Program
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: • Power-On Password © Copyright Lenovo 2013...
Page 102: Password Considerations
• If the Hard Disk Password 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: 1. Start the Setup Utility program. See “Starting the Setup Utility program” on page 89. ThinkCentre E73 User Guide...
Page 103: Erasing Lost Or Forgotten Passwords (Clearing Cmos)
2. From the Setup Utility program main menu, select Security. 3. Depending on the password type, select Set Power-On Password, Set Administrator Password, or Hard Disk Password. 4. Follow the instructions on the right side of the screen to set, change, or delete a password. Note: A password can be any combination of up to 64 alphabetic and numeric characters.
Page 104: Selecting A Startup Device
• Pressing the power switch • Enabling the wake up on alarm feature The wake up on alarm feature enables your computer to wake up at a set time. To enable the wake up on alarm feature, do the following: ThinkCentre E73 User Guide...
Page 105: Exiting The Setup Utility Program
1. Start the Setup Utility program. See “Starting the Setup Utility program” on page 89. 2. From the Setup Utility program main menu, select Power ➙ Automatic Power On, and press Enter. 3. Select Wake Up on Alarm and press Enter. Then follow the instructions on the screen. 4.
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Page 107: Chapter 8. Updating System Programs
Utility program by starting your computer with a system-program-update disc or running a special update program from your operating system. Lenovo might make changes and enhancements to the POST and BIOS. When updates are released, they are available as downloadable files on the Lenovo Web site at http://www.lenovo.com. Instructions for using the POST and BIOS updates are available in a TXT file that is included with the update files.
Page 108: Updating (Flashing) The Bios From Your Operating System
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.
Page 109: Chapter 9. Preventing Problems
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.
Page 110: Using System Update
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 7. 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.
Page 111: Cleaning Your Computer
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.
Page 112: Good Maintenance Practices
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.
Page 113 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.
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Page 115: Chapter 10. Troubleshooting And Diagnostics
Note: If you cannot correct the problem, have the computer serviced. For a list of service and support telephone numbers, refer to the Safety, Warranty, and Setup Guide that comes with your computer or go to the Lenovo Support Web site at http://www.lenovo.com/support/phone. Symptom...
Page 116: Troubleshooting Procedure
See Chapter 11 “Getting information, help, and service” on page 123 for more information. • If you are unable to run the diagnostic program, contact the Lenovo Customer Support Center. See Chapter 11 “Getting information, help, and service” on page 123 for more information.
Page 117: Audio Problems
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 that you review and follow the electrical safety information provided with your computer.
Page 118: Cd Problems
107 • “A CD or DVD does not work” on page 107 • “Unable to use a startable (bootable) recovery medium, such as the Product Recovery CD, to start your computer” on page 107 ThinkCentre E73 User Guide...
Page 119: Dvd Problems
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: • If you have multiple CD or DVD drives installed (or a combination of CD and DVD drives), try inserting the disc into the other drive.
Page 120 120 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 123. Invalid disc or no disc found message Symptom: Invalid disc or no disc found message Actions: ThinkCentre E73 User Guide...
Page 121: Intermittent Problems
• Ensure that a DVD disc is in the drive with the shiny side of the disc facing down. • Ensure that video resolution is set to less than 1152 x 864. • On computers that have a CD-ROM or CD-RW drive in addition to a DVD-ROM drive, make sure that the DVD disc is in the drive labeled “DVD”.
Page 122: The Fingerprint Reader Does Not Work
• Scraping the surface of the reader with your nail or anything hard. • Using or touching the reader with a dirty finger. • The surface of your finger is very different from when you enrolled your fingerprint. ThinkCentre E73 User Guide...
Page 123: Monitor Problems
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: •...
Page 124: The Image Is Discolored
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. ThinkCentre E73 User Guide...
Page 125: Networking Problems
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 123 for details. Networking problems The following are the most common networking problems. Select your networking problem from the following list: •...
Page 126 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: • Try another cable. • Make sure that the link partner is set to auto-negotiate. • Make sure that the switch is 802.3ab-compliant (gigabit over copper). ThinkCentre E73 User Guide...
Page 127: Option Problems
6. Click OK to close the Sound window. Note: Bluetooth is supported only on some computer models. 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: •...
Page 128: Performance And Lockup Problems
1. Click Start ➙ 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: ThinkCentre E73 User Guide...
Page 129 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 the following: 1.
Page 130: Printer Problems
See Chapter 11 “Getting information, help, and service” on page 123. Serial connector problems Use this information to troubleshoot the serial connector and devices attached to the serial connector. Symptom: Serial connector cannot be accessed. ThinkCentre E73 User Guide...
Page 131: Software Problems
Actions: • Make sure that the serial cable is securely connected to the serial connector on the computer and to the serial device. If the serial device has its own power cord, make sure that it is attached to a properly grounded electrical outlet.
Page 132: Usb Problems
1. Depending on the date when your computer was manufactured, your computer is preinstalled with either the Lenovo Solution Center program or the Lenovo ThinkVantage Toolbox program for diagnostic purposes. For more information about the Lenovo ThinkVantage Toolbox program, see “Lenovo...
Page 133: Lenovo Solution Center
3. If you are unable to isolate and repair the problem yourself after running the programs, save and print the log files created by the programs. You will need the log files when you speak to a Lenovo technical support representative.
Page 134 3. Follow the instructions on the screen to select the diagnostic test you want to run. Note: For additional help, press the F1 key. 4. Remove the diagnostic disc from the optical drive when you complete the diagnostic process. ThinkCentre E73 User Guide...
Page 135: Chapter 11. Getting Information, Help, And Service
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.
Page 136: Lenovo Support Web Site
Most computers come with a set of diagnostic programs that help you identify hardware problems. For instructions on using the diagnostic programs, see “Diagnostic programs” on page 120. You can also get the latest technical information and download device drivers and updates from Lenovo Support Web site at: http://support.lenovo.com...
Page 137: Using Other Services
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...
Page 138 ThinkCentre E73 User Guide...
Page 139: Appendix A. Notices
Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.
Page 140: Trademarks
Trademarks The following terms are trademarks of Lenovo in the United States, other countries, or both: Lenovo The Lenovo logo Rescue and Recovery ThinkCentre ThinkVantage Microsoft and Windows are trademarks of the Microsoft group of companies. Celeron, Intel, Intel Core, and Pentium are trademarks of Intel Corporation in the U.S. and/or other countries.
Page 141: Appendix B. Regulatory Information
• Consult an authorized dealer or service representative for help. Lenovo is not responsible for any radio or television interference caused by using other than specified or recommended cables and connectors or by unauthorized changes or modifications to this equipment.
Page 142 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.
Page 143: Eurasian Compliance Mark
Dieses Gerät ist berechtigt, in Übereinstimmung mit dem Deutschen EMVG das EG-Konformitätszeichen - CE - zu führen. Verantwortlich für die Konformitätserklärung nach Paragraf 5 des EMVG ist die Lenovo (Deutschland) GmbH, Gropiusplatz 10, D-70563 Stuttgart. Informationen in Hinsicht EMVG Paragraf 4 Abs. (1) 4: Das Gerät erfüllt die Schutzanforderungen nach EN 55024 und EN 55022 Klasse B.
Page 144 ThinkCentre E73 User Guide...
Page 145: Appendix C. Weee And Recycling Information
Collecting and recycling a disused Lenovo computer or monitor If you are a company employee and need to dispose of a Lenovo computer or monitor that is the property of the company, you must do so in accordance with the Law for Promotion of Effective Utilization of Resources.
Page 146: Recycling Information For Brazil
If you need to replace it with a new one, contact your place of purchase or contact Lenovo for service. If you need to dispose of a disused lithium battery, insulate it with vinyl tape, contact your place of purchase or an industrial-waste-disposal operator, and follow their instructions.
Page 147 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...
Page 148 ThinkCentre E73 User Guide...
Page 149: Appendix D. Restriction Of Hazardous Substances Directive (Rohs)
(RoHS) European Union RoHS Lenovo products sold in the European Union, on or after 3 January 2013 meet the requirements of Directive 2011/65/EU on the restriction of the use of certain hazardous substances in electrical and electronic equipment (“RoHS recast” or “RoHS 2”).
Page 150: Ukraine Rohs
Ukraine RoHS India RoHS RoHS compliant as per E-Waste (Management & Handling) Rules, 2011. ThinkCentre E73 User Guide...
Page 152 ThinkCentre E73 User Guide...
Page 153: Appendix F. Energy Star Model Information
For more information about ENERGY STAR, go to: http://www.energystar.gov Lenovo encourages you to make efficient use of energy an integral part of your day-to-day operations. To help in this endeavor, set the following power-management features to take effect when your computer has been inactive for a specified duration: Table 3.
Page 154 ThinkCentre E73 User Guide...
Page 155: Index
Description information device drivers getting devices, handling static-sensitive important safety diagnostics programs, using resources diagnostics, troubleshooting safety DisplayPort connector warranty documentation, using Input/Output (I/O) features drivers, device installing options drives memory module © Copyright Lenovo 2013...
Page 156 Setup Utility program features startup device power supply assembly, replacing sequence, changing power-on self-test (POST) temporary, selecting Power-On, Password static-sensitive devices, handling programs, updating system system purchasing additional services management ThinkCentre E73 User Guide...
Page 157 Setup Utility VGA monitor connector video subsystem viewing and changing settings warranty information WiFi units, WiFi adapter card, WiFi card module, WiFi antenna cable, replacing workspace, backup and recovery © Copyright Lenovo 2013...
Page 158 ThinkCentre E73 User Guide...

Lenovo ThinkCentre E73 User Manual

Important Safety Information

Chapter 1. Product Overview

Chapter 2. Using Your Computer

Chapter 3. You and Your Computer

Chapter 4. Security

Chapter 5. Installing or Replacing Hardware

Chapter 6. Recovery Information

Chapter 7. Using the Setup Utility Program

Chapter 8. Updating System Programs

Chapter 9. Preventing Problems

Chapter 10. Troubleshooting and Diagnostics

Chapter 11. Getting Information, Help, and Service

Appendix A. Notices

Appendix B. Regulatory Information

Appendix C. WEEE and Recycling Information

Appendix D. Restriction of Hazardous Substances Directive (Rohs)

Appendix E. China Energy Label

Appendix F. ENERGY STAR Model Information

Index

Quick Links

Troubleshooting

Related Manuals for Lenovo ThinkCentre E73

Summary of Contents for Lenovo ThinkCentre E73

Table of Contents