Page 1 ThinkCentre E73 User Guide Machine Types: 10AU, 10AW, 10BF, 10BG, 10DU, and 10DT...
Page 2 “Important safety information” on page v and Appendix A “Notices” on page 127. Fifth Edition (July 2015) © Copyright Lenovo 2013, 2015. 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
Protecting data against viruses ..An introduction to Lenovo programs ..Locations....
Page 4 Safety and Warranty... Selecting a temporary startup device ..Lenovo Web site ... . Selecting or changing the startup device Lenovo Support Web site.
Page 6 ThinkCentre E73 User Guide...
Page 7: Important Safety Information
® Format (PDF) version from the Lenovo Support Web site at http://www.lenovo.com/UserManuals. The Lenovo Support Web site also provides the Safety, Warranty, and Setup Guide and this User Guide in additional languages. Service and upgrades Do not attempt to service a product yourself unless instructed to do so by the Customer Support Center or your documentation.
Page 8: 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, 2015...
Page 10: Operating Environment
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 E73 User Guide...
Page 11: Power Supply Statement
Do not spray any liquid detergent directly on the computer or use any detergent containing flammable material to clean the computer. Spray the detergent on a soft cloth and then wipe the computer surfaces. © Copyright Lenovo 2013, 2015...
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
Accessing a program on your computer Note: For Windows 7, some of the Lenovo programs might be ready to be installed, so you need to install them manually. Then, you can access and use these programs. To install a program that is ready to be ®...
Page 18: An Introduction To Lenovo Programs
An introduction to Lenovo programs This section provides information about the major Lenovo programs available on your operating system. Note: Depending on your computer model, some of the following programs might not be available. • For Windows 7 only: –...
Page 19 – Message Center Plus The Message Center Plus program automatically displays messages informing you about important notices from Lenovo, such as alerts on system updates and alerts on conditions that require your attention. ® – Rescue and Recovery The Rescue and Recovery program is a one-button recovery and restore solution. It 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.
Page 20: Locations
The SHAREit or Lenovo SHAREit program provides a quick and easy way to share files and folders among computers, smartphones, tablets, or smart TVs with the Android or the Windows operating system installed. SHAREit or Lenovo SHAREit uses any type of network or even no network at all to share files and folders.
Page 21: Locating Connectors, Controls, And Indicators On The Front Of 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 Optical drive eject/close button Power button Hard disk drive activity indicator...
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 Federal Communications Commission (FCC) Class B limits, use a Category 5e or better Ethernet cable.
Page 24: Locating Components
Heat sink and fan assembly Power supply assembly Memory modules (2) Optical drive Front audio and USB assembly Front bezel Thermal sensor System fan assembly Hard disk drive PCI Express card (installed in some models) Heat sink fan duct 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 Microprocessor Microprocessor fan connector Memory slot 1 (DIMM1) Memory slot 2 (DIMM2) Thermal sensor connector Power fan connector...
Page 26: Locating Internal Drives
Optical drive bay (with an optical drive installed in some models) Slim card reader drive bay (with a slim card reader installed in some models) 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.
Page 28 ThinkCentre E73 User Guide...
Page 29: Chapter 2. Using Your Computer
USB key. If your computer does not come with it, contact the Lenovo Customer Support Center to order a recovery disc set or recovery USB key. For a list of Lenovo Support phone numbers, go to http://www.lenovo.com/support/phone. If you cannot find the support telephone number for your country or region, contact your Lenovo reseller.
Page 30 – 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. ThinkCentre E73 User Guide...
Page 31: Navigating On Windows 8.1
– Using a touch screen: Swipe in from the left edge of the screen. For information about using other features of the Windows 8 operating system, refer to the Windows help system. For more information, see “Windows help system” on page 123. 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:...
Page 32: Accessing Control Panel On The Windows 8 Or Windows 8.1 Operating System
2. Scroll to the right side, and click Control Panel in the Windows System section. 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. ThinkCentre E73 User Guide...
Page 33: Using The Wheel Mouse
• 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 or Windows 10 operating system, press the Windows key open the Start menu. On the Windows 8 or Windows 8.1 operating system, press the Windows key to switch between the current workspace and the Start screen.
Page 34: Using Cds And Dvds
• Do not use benzene, thinners, or other cleaners to clean the disc. • Do not drop or bend the disc. • Do not insert damaged discs into the drive. Warped, scratched, or dirty discs can damage the drive. ThinkCentre E73 User Guide...
Page 35: Playing A Cd Or Dvd
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 Eject/Load button on the DVD drive to open the tray. 2.
Page 36 ThinkCentre E73 User Guide...
Page 37: Chapter 3. You And Your Computer
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, 2015...
Page 38: Glare And Lighting
For more information about power cords, see “Power cords and power adapters” on page vi. Accessibility information Lenovo is committed to providing users who have hearing, vision, and mobility limitations with greater access to information and technology. This section provides information about the ways these users can get the most out of their computer experience.
Page 39 Keyboard shortcut Function Shift five times Turn on or turn off Sticky Keys Num Lock for five seconds Turn on or turn off Toggle Keys Left Alt+Left Shift+Num Lock Turn on or turn off Mouse Keys Left Alt+Left Shift+PrtScn (or PrtSc) Turn on or turn off High Contrast For more information, go to http://windows.microsoft.com/, and then perform a search using any of the following keywords: keyboard shortcuts, key combinations, shortcut keys.
Page 40 • To change the item size permanently, do the following: – Change the size of all the items on your screen. 1. Right-click a blank area on the desktop. 2. Depending on your Windows version, do one of the following: ThinkCentre E73 User Guide...
Page 41: Registering Your Computer
Lenovo for help. In addition, some locations offer extended privileges and services to registered users. To register your computer with Lenovo, ensure that your computer is connected to the Internet. Then, go to http://www.lenovo.com/register and follow the instructions on the screen.
Page 42 ThinkCentre E73 User Guide...
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, 2015...
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: Using Fingerprint Authentication
Your computer is preinstalled with an antivirus program to help you guard against, detect, and eliminate viruses. Lenovo provides a full version of antivirus software on your computer with a free 30-day subscription. After 30 days, you must renew the license to continue receiving the antivirus software updates.
Page 47: Chapter 5. 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: 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 48: Removing And Reinstalling The Front Bezel
To remove and reinstall the front bezel, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Remove the computer cover. See “Removing the computer cover” on page 35. ThinkCentre E73 User Guide...
Page 49: Accessing The System Board Components And Drives
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) assembly cable. Figure 10.
Page 50 Figure 12. Pivoting the drive bay assembly upward 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 ThinkCentre E73 User Guide...
Page 51: Installing Or Replacing A Pci Express Card
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.
Page 52 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 53: 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 76. 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 54: Replacing The Battery
“Important safety information” on page v. Your computer has a special type of memory that maintains the date, time, and settings for built-in features, such as parallel-connector assignments (configuration). A battery keeps this information active when you turn off the computer. ThinkCentre E73 User Guide...
Page 55: Replacing The Hard Disk Drive
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 56 Figure 20. 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 21. Removing the hard disk drive ThinkCentre E73 User Guide...
Page 57: Replacing The Optical 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. 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.
Page 58 37 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. Figure 24. Removing the optical drive ThinkCentre E73 User Guide...
Page 59 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. Figure 26. Removing the optical drive Chapter 5 Installing or replacing hardware...
Page 60 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. Figure 28. Installing the optical drive ThinkCentre E73 User Guide...
Page 61: Replacing The Solid-State 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 62 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 ThinkCentre E73 User Guide...
Page 63 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. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.
Page 64 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. Installing the solid-state drive into the bracket ThinkCentre E73 User Guide...
Page 65 10. Carefully slide the solid-state drive bracket downward until it is secured by the three retaining clips the bottom of the optical drive bay. Figure 35. Installing the solid-state drive bracket 11. Install the screw to secure the bracket on the bottom of the optical drive bay. Chapter 5 Installing or replacing hardware...
Page 66: 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 67 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 68 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 69 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 70: 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 35. 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 36. ThinkCentre E73 User Guide...
Page 71 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 72 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 73: 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 76. Replacing the microprocessor Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
Page 74 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 75 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 76: 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 77: 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 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. 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. ThinkCentre E73 User Guide...
Page 79: Removing The Wifi Adapter Card
Replacing the WiFi units involves the following operations: • “Removing the WiFi adapter card” on page 67 • “Removing the WiFi card module” on page 67 • “Installing the WiFi units” on page 69 Removing the WiFi adapter card To remove the WiFi adapter card, do the following: 1.
Page 80 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 81 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 82 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 83: 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 84: 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 85: Installing Or Removing The Front Wifi Antenna
• To complete the installation or replacement, go to “Completing the parts replacement” on page 76. 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.
Page 86: Removing The Front Wifi Antenna
2. Remove the computer cover. See “Removing the computer cover” on page 35. 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 36. 4. Disconnect the front antenna cable from the WiFi card module. ThinkCentre E73 User Guide...
Page 87: 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 76. Replacing the keyboard or mouse Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information”...
Page 88: Completing The Parts Replacement
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, refer to Chapter 7 “Using the Setup Utility program” on page 89. ThinkCentre E73 User Guide...
Page 89: Obtaining Device Drivers
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. Obtaining device drivers You can obtain device drivers that are not preinstalled in your operating system at http://www.lenovo.com/support.
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Page 91: 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 92: 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 93: 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 94: 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 95: 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 96: 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 97: 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 98: Recovering Your Operating System If Windows 8 Or Windows 8.1 Fails To Start
2. Click Control Panel. View Control Panel using Large icons or Small icons, and then click File History ➙ Restore personal files. 3. Follow the instructions on the screen. – Use the Windows recovery environment by doing one of the following: ThinkCentre E73 User Guide...
Page 99 Note: To create a recovery medium, see “Good maintenance practices” on page 99. • Use the recovery USB key provided by Lenovo to restore the entire storage drive to the factory-default settings. – If your computer comes with the recovery USB key, follow the instructions shipped with the USB key.
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Page 101: Chapter 7. Using The Setup Utility Program
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 BIOS passwords By using the Setup Utility program, you can set passwords to prevent unauthorized access to your computer and data. © Copyright Lenovo 2013, 2015...
Page 102: Password Considerations
1. Start the Setup Utility program. See “Starting the Setup Utility program” on page 89. 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. ThinkCentre E73 User Guide...
Page 103: Erasing Lost Or Forgotten Passwords (Clearing Cmos)
4. Follow the instructions on the right side of the screen to set, change, or delete a password. Note: A password can be any combination of up to 64 alphabetic and numeric characters. For more information, see “Password considerations” on page 90. Erasing lost or forgotten passwords (clearing CMOS) This section provides instructions on how to erase lost or forgotten passwords, such as a user password.
Page 104: Selecting A Temporary Startup Device
4. Press F10 to save and exit the Setup Utility program. See “Exiting the Setup Utility program” on page 93. Enabling ErP LPS compliance mode Lenovo computers meet the eco-design requirements of the ErP Lot 3 regulation. For more information, go http://www.lenovo.com/ecodeclaration You can enable ErP LPS compliance mode in the Setup Utility program to reduce the consumption of electricity when your computer is off or in sleep mode.
Page 105: Exiting The Setup Utility Program
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. Press F10 to save changes and exit the Setup Utility program. Press Enter when prompted to confirm the exit.
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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 12. Reconnect any cables that were disconnected and reinstall the PCI Express card if removed. 13. Reinstall the computer cover and reconnect any cables that were disconnected. 14. Turn on the computer to restart the operating system. ThinkCentre E73 User Guide...
Page 109: Chapter 9. Preventing Problems
• Download the device drivers that are preinstalled on your computer. Go to http://www.lenovo.com/drivers. • Use the Lenovo program or Windows Update. See “Getting the latest system updates” on page 97. Note: The device drivers provided by Windows Update might not be tested by Lenovo. It is recommended that you get device drivers from Lenovo.
Page 110: Cleaning And Maintenance
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 dryer. Note: Avoid spraying cleaner directly onto the display or the keyboard. ThinkCentre E73 User Guide...
Page 111: Good Maintenance Practices
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.
Page 112: Moving Your Computer
The cause of a problem might be change in hardware, change in software, or any other actions that might have taken place. A log book can help you or a Lenovo technician determine the cause of a problem. • Back up your data on the storage drive regularly. You can restore the storage drive from a backup.
Page 113 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. Chapter 9 Preventing problems...
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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: Troubleshooting
Troubleshooting Use the troubleshooting information to find solutions to problems that have definite symptoms. If the symptom your computer is experiencing occurred immediately after you installed a new hardware option or new software, do the following before referring to the troubleshooting information: 1.
Page 118: Cd Problems
• If these actions do not correct the problem, run the diagnostic programs (see “Diagnostic programs” on page 120 for instructions). If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 123. CD problems Select your symptom from the following list: 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” on page 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”...
Page 120 Playback is very slow or choppy Symptom: Playback is very slow or choppy. Actions: • Disable any background programs, such as AntiVirus or Desktop Themes. • Ensure that video resolution is set to less than 1152 x 864. ThinkCentre E73 User Guide...
Page 121: Intermittent Problems
If these actions do not correct the problem, run the diagnostic programs (see “Diagnostic programs” on page 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: •...
Page 122: The Fingerprint Reader Does Not Work
Clean the mouse. See “Optical mouse” on page 99 for instructions. The fingerprint reader does not work Symptom: The fingerprint reader does not work. Action: The following could cause the fingerprint reader not to operate properly: ThinkCentre E73 User Guide...
Page 123: Monitor Problems
• Not enrolling your fingerprint correctly. • Scratching the surface of the reader with a hard, pointed object. • Scraping the surface of the reader with your nail or anything hard. • Using or touching the reader with a dirty finger. •...
Page 124 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 123 for details. ThinkCentre E73 User Guide...
Page 125: Networking Problems
Networking problems The following are the most common networking problems. Select your networking problem from the following list: • “Ethernet problems” on page 113 • “A wireless LAN problem” on page 114 • “A wireless WAN problem” on page 115 •...
Page 126: A Wireless Lan Problem
• Make sure that the link partner is set to auto-negotiate. • 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: 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
– For Windows 8.1: Open File Explorer. – For Windows 10: Click the Start button to open the Start menu, and then click File Explorer ➙ This PC. 2. Right-click your C drive and then click Properties. ThinkCentre E73 User Guide...
Page 129: Insufficient Memory
3. Check the amount of free space, and then click Disk Cleanup. 4. A list of unnecessary file categories is displayed. Select each file category you want to delete, and then click OK. • Turn some Windows features off or remove some unnecessary programs. 1.
Page 130: Printer Problems
Software problems Select your symptom from the following list: • “When using a sort feature, dates do not sort in the correct order” on page 119 • “Software does not work as expected” on page 119 ThinkCentre E73 User Guide...
Page 131 When 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.
Page 132: Usb Problems
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 133: Lenovo Thinkvantage Toolbox
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. Lenovo ThinkVantage Toolbox...
Page 134 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
Read and understand all safety information before using this product. Lenovo Web site The Lenovo Web site (http://www.lenovo.com) provides up-to-date information and services to help you buy, upgrade, and maintain your computer. You can also do the following: •...
Page 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://www.lenovo.com/support...
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 Rescue and Recovery The Lenovo logo TheThinkCentre logo ThinkCentre ThinkVantage Microsoft, Windows, and Windows Media are trademarks of the Microsoft group of companies.
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 Geräte der Klasse B. Dieses Gerät ist berechtigt, in Übereinstimmung mit dem Deutschen EMVG das EG-Konformitätszeichen - CE - zu führen. Verantwortlich für die Konformitätserklärung nach Paragraf 5 des EMVG ist die Lenovo (Deutschland) GmbH, Gropiusplatz 10, D-70563 Stuttgart. ThinkCentre E73 User Guide...
Page 143: Eurasian Compliance Mark
The ac power cord shipped with your product can be used only for this specific product. Do not use the ac power cord for other devices. Lenovo product service information for Taiwan Keyboard and mouse compliance statement for Taiwan Eurasian compliance mark Brazil audio notice Ouvir sons com mais de 85 decibéis por longos períodos pode provocar danos ao sistema auditivo.
Page 144: Additional Regulatory Information
All regulatory notices are available on the Lenovo Support Web site in electronic format. To access electronic copies of the documentation, go to http://www.lenovo.com/UserManuals.
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 1.
Page 154 3. Follow the instructions on the screen. ThinkCentre E73 User Guide...
Page 155: Index
Description important safety device drivers resources devices, handling static-sensitive safety diagnostics programs, using warranty diagnostics, troubleshooting Input/Output (I/O) features DisplayPort connector installing options documentation, using memory module drivers, device PCI Express card drives internal drives © Copyright Lenovo 2013, 2015...
Page 156 Setup Utility program power-on self-test (POST) startup device Power-On, Password sequence, changing programs, updating system temporary, selecting purchasing additional services static-sensitive devices, handling system management programs rear connectors system board rear WiFi antenna, installing, removing locating parts 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, 2015...
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