ThinkCentre E93z User Guide Machine Types: 10B8, 10B9, 10BA, 10BH, 10BJ, and 10BK
Note: Before using this information and the product it supports, be sure to read and understand the “Important safety information” on page v and Appendix A “Notices” on page 83. First Edition (August 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.
Contents Important safety information . . . . . . v Service and upgrades . . . . . . Static electricity prevention . . . . Power cords and power adapters . Extension cords and related devices Plugs and outlets. . . . . . . . External devices . . . . . . . . Heat and product ventilation . . . Operating environment . . . . . Modem safety information . . . . Laser compliance statement . . . Power supply statement . . . . . Cleaning and maintenance . . . . Tip-over hazard prevention notice . . . . . . . . . .
Reinstalling software programs . . . . . . Reinstalling device drivers . . . . . . . . Solving recovery problems . . . . . . . . Recovery information for the Windows 8 operating system . . . . . . . . . . . . . . . . . . Chapter 7. Using the Setup Utility program . . . . . . . . . . . . . . . . Starting the Setup Utility program . . . . . . Viewing and changing settings . . . . . . . Using passwords. . . . . . . . . . . . . Password considerations . . . . . . . . Power-On Password . . . . . . . . .
China RoHS. Turkish RoHS Ukraine RoHS India RoHS . . . . . . . . . . . . . . . . . . . . . 93 93 94 94 Appendix E. China Energy Label . . . 95 © Copyright Lenovo 2013 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Appendix F. ENERGY STAR model information . . . . . . . . . . . . . . 97 Index. . . . . . . . . . . . . . . . . .
iv ThinkCentre E93z User Guide
Important safety information CAUTION: Before using this manual, be sure to read and understand all the related safety information for this product. Refer to the information in this section and the safety information in the Safety, Warranty, and Setup Guide that you received with this product. Reading and understanding this safety information reduces the risk of personal injury and damage to your product.
or CRU, do not open the static-protective package containing the part until the instructions direct you to install it. When you handle options or CRUs, or perform any work inside the computer, take the following precautions to avoid static-electricity damage: • Limit your movement. Movement can cause static electricity to build up around you. • Always handle components carefully. Handle adapters, memory modules, and other circuit boards by the edges. Never touch exposed circuitry.
Plugs and outlets If a receptacle (power outlet) that you intend to use with your computer equipment appears to be damaged or corroded, do not use the outlet until it is replaced by a qualified electrician. Do not bend or modify the plug. If the plug is damaged, contact the manufacturer to obtain a replacement. Do not share an electrical outlet with other home or commercial appliances that draw large amounts of electricity; otherwise, unstable voltage might damage your computer, data, or attached devices.
For your safety and to maintain optimum computer performance, always follow these basic precautions with your desktop computer: • Keep the cover closed whenever the computer is plugged in. • Regularly inspect the outside of the computer for dust accumulation. • Remove dust from vents and any perforations in the bezel. More frequent cleanings might be required for computers in dusty or high-traffic areas. • Do not restrict or block any ventilation openings.
Laser compliance statement CAUTION: When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or transmitters) are installed, note the following: • Do not remove the covers. Removing the covers of the laser product could result in exposure to hazardous laser radiation. There are no serviceable parts inside the device. • Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure.
x ThinkCentre E93z User Guide
Chapter 1. Product overview This chapter provides information about the computer features, specifications, software programs provided by Lenovo, and locations of connectors, components, parts on the system board, and internal drives. Features This section introduces the computer features. The information covers a variety of models.
• Internal speaker Connectivity • 10/100/1000 Mbps integrated Ethernet controller System management features • Ability to store power-on self-test (POST) hardware test results • Desktop Management Interface (DMI) Desktop Management Interface provides a common path for users to access information about all aspects of a computer, including processor type, installation date, attached printers and other peripherals, power sources, and maintenance history.
Input/Output (I/O) features • One Ethernet connector • One Combo audio jack • Ten Universal Serial Bus (USB) connectors (two on the side panel, four on the rear panel, and four on the system board) • Two HDMI connectors For more information, see “Locating connectors, controls, and indicators on the front of your computer” on page 9 and “Locating connectors on the rear of your computer” on page 10.
Specifications This section lists the physical specifications for your computer. Dimensions (without stand) • Touch models: Width:534 mm (21.02 inches) Height:386 mm (15.20 inches) Depth:49.6 mm (1.95 inches) • Non-touch models: Width:534 mm (21.02 inches) Height:386 mm (15.20 inches) Depth:48.5 mm (1.91 inches) Weight (without stand) • Touch models: Maximum configuration as shipped: 7.4 kg (16.31 lb) • Non-touch models: Maximum configuration as shipped: 6.6 kg (14.
Accessing Lenovo programs on the Windows 7 operating system On the Windows 7 operating system, you can access Lenovo programs from either the Lenovo ThinkVantage® Tools program or from Control Panel. Accessing Lenovo programs from the Lenovo ThinkVantage Tools program To access Lenovo programs from the Lenovo ThinkVantage Tools program, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools. Then double-click a program icon to access the program.
Table 2. Programs in Control Panel (continued) Program Control Panel section Green text in Control Panel Rescue and Recovery System and Security Lenovo - Enhanced Backup and Restore System Update System and Security Lenovo - Update and Drivers View Management Utility System and Security Lenovo View Management Utility Note: Depending on your computer model, some of the programs might not be available.
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. • Lenovo Companion Through the Lenovo Companion program, you can get the information about the accessories for your computer, view blogs and articles about your computer, and check for other recommended programs.
The System Update program helps you keep the software on your computer up-to-date by downloading and installing software update packages (Lenovo programs, device drivers, UEFI BIOS updates, and other third party programs). • View Management Utility 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.
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 1 Integrated camera activity indicator 7 Internal speakers 2 Integrated camera shield control slider 8 Combo audio jack (support headset and Microphone) 3 Integrated camera 9 Always On USB 3.
• Extreme Digital (x-D) Picture Card (type H) • Extreme Digital (x-D) Picture Card (type M) • Memory Stick (MS) • MS PRO • MultiMediaCard (MMC) • MultiMediaCard-mobile (MMC-mobile) • MultiMediaCard-plus (MMC-plus) • Reduced-Size MultiMediaCard (RS-MMC) • Secure Digital (SD) card • Secure Digital eXtended-Capacity (SDXC) card • Secure Digital High-Capacity (SDHC) card Locating connectors on the rear of your computer Figure 2 “Rear connector locations” on page 10 shows the locations of the connectors on the
1 Security-lock slot 7 Power button 2 Power cord connector 8 Monitor mode / computer mode button 3 Ethernet connector 9 Volume-down control 4 HDMI-in connector 10 Volume-up control 5 HDMI-out connector 11 Optical drive 6 USB 2.0 connectors (4) Connector Description 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.
Adjusting the frame stand Your computer might come with a frame stand that you can use to adjust the computer to your comfortable position. Pull the stand open and adjust the position of the computer at an angle of between of 10° and 65° as shown in the following illustration. Note: The frame stand is available only in some models. CAUTION: Ensure that the angle is at least 10° from the vertical position; otherwise, the computer might be unstable and tip over. Figure 3.
Adjusting the monitor stand Your computer might come with a monitor stand that you can use to adjust the computer to your comfortable position. Adjust the position of the computer at an angle of -5° to the front and 45° to the rear as shown in the following illustration. Note: The monitor stand is available only in some models. Figure 4. Adjusting the monitor stand Chapter 1.
Adjusting the transformer stand Your computer might come with a transformer stand that you can use to adjust the computer to your comfortable position as shown in the following illustrations. Note: The transformer stand is available only in some models. The following illustration shows that you can adjust the transformer stand at an angle of 77°. Figure 5. Adjusting the transformer stand The following illustration shows that you can adjust the position of the computer at an angle of 65° to the rear.
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. Figure 7. Machine type and model label Chapter 1.
16 ThinkCentre E93z User Guide
Chapter 2. Using your computer This chapter provides information on using some of the computer components. Frequently asked questions The following are a few tips that will help you optimize the use of your computer. Can I get my user guide in another language? The user guide is available in various languages on the Lenovo Support Web site at: http://www.lenovo.com/ThinkCentreUserGuides Where are my recovery discs? Lenovo provides a program that enables you to create recovery discs.
Using the keyboard Your computer comes with a standard keyboard. The Microsoft Windows shortcut keys are provided. This section provides information about the following topics: • “Using Windows shortcut keys” on page 18 Using Windows shortcut keys Your keyboard provide three keys you can use with your Microsoft Windows operating system. • The two Windows logo keys are located beside the Alt key on either side of the spacebar. They feature the Windows logo.
About your computer audio If a factory-installed, high-performance audio adapter is installed in your computer, the system-board audio connectors on the rear of the computer are typically disabled; use the connectors provided on the audio adapter. Each audio solution provides one audio connectors: Combo audio jack (support headset and Microphone).
Follow these guidelines when using the DVD drive: • Do not place the computer in a location where the drive is exposed to the following: – High temperature – High humidity – Excessive dust – Excessive vibration or sudden shock – An inclined surface – Direct sunlight • Do not insert any object other than a CD or DVD into the drive. • Before moving the computer, remove the CD or DVD from the drive.
Recording a CD or DVD If your computer comes with a recordable DVD drive, you can use the drive to record CDs or DVDs. To record a CD or DVD, do one of the following: • On the Windows 7 operating system, you have either the Corel DVD MovieFactory Lenovo Edition program or the Power2Go program installed on your computer. – To run the Corel DVD MovieFactory Lenovo Edition program, click Start ➙ All Programs ➙ Corel DVD MovieFactory Lenovo Edition ➙ Corel DVD MovieFactory Lenovo Edition.
The following table shows the supported touch feature on each operating system edition. Table 3.
Chapter 3. You and your computer This chapter provides information about accessibility, comfort, and relocating your computer to other countries or regions. Accessibility and comfort Good ergonomic practice is important to get the most from your personal computer and to avoid discomfort. Arrange your workplace and the equipment you use to suit your individual needs and the kind of work that you perform. In addition, use healthy work habits to maximize your performance and comfort while using your computer.
Adjust the monitor so the top of the screen is at, or slightly below, eye level. Place the monitor at a comfortable viewing distance, usually 51 to 61 cm (20 to 24 inches), and position it so you can view it without having to twist your body. Also, position other equipment you use regularly, such as the telephone or a mouse, within easy reach. Glare and lighting Position the monitor to minimize glare and reflections from overhead lights, windows, and other light sources.
Registering your computer When you register your computer, information is entered into a database, which enables Lenovo to contact you in case of a recall or other severe problem. After you register your computer with Lenovo, you will receive quicker service when you call Lenovo for help. In addition, some locations offer extended privileges and services to registered users. To register your computer with Lenovo, do one of the following: • Go to http://www.lenovo.
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.
Chapter 4. Security This chapter provides information about how to protect your computer from theft and unauthorized use. Security features The following security features are available on your computer: • Computrace Agent software embedded in firmware The Computrace Agent software is an IT asset management and computer theft recovery solution. The software detects if changes have been made on the computer, such as hardware, software, or the computer call-in location.
Attaching a Kensington-style cable lock You can use a Kensington-style cable lock to secure your computer to a desk, table, or other non-permanent fixture. The cable lock attaches to the security-lock slot at the rear of your computer and is operated with a key or combination depending on the type selected. The cable lock also locks the buttons used to open the computer cover. This is the same type of lock used with many notebook computers.
• Administrator Password: Setting an Administrator Password deters unauthorized users from changing configuration settings. If you are responsible for maintaining the configuration settings of several computers, you might want to set an Administrator Password. For more information, see “Administrator Password” on page 50. You do not have to set any passwords to use your computer. However, using passwords improves computing security.
30 ThinkCentre E93z User Guide
Chapter 5. Installing or replacing hardware This chapter provides instructions on how to install or replace hardware for your computer. Handling static-sensitive devices Do not open the static-protective package containing the new part until the defective part has been removed from the computer and you are ready to install the new part. Static electricity, although harmless to you, can seriously damage computer components and parts.
Removing and reinstalling the frame stand 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 frame stand. Note: The frame stand is available only in some models. To remove and reinstall the frame stand, do the following: 1. Remove any media from the drives and turn off all attached devices and the computer. 2.
6. To reinstall the frame stand, insert the two tabs 1 on the frame stand into the corresponding holes in the chassis and lower down the frame stand as shown. Figure 10. Reinstalling the frame stand 7. Tighten the screw to secure the frame stand to the computer. Then, put the rubber block into the hole to protect the screw. Removing and reinstalling the monitor stand Attention: Do not open your computer or attempt any repair before reading and understanding the “Important safety information” on page v.
5. Remove the two rubber blocks 1 that protect the screws 2 . Carefully loosen the two screws 2 that secure the monitor stand. Then, lift the monitor stand up to remove it from the computer. Figure 11. Removing the monitor stand 6. To reinstall the monitor stand, insert the two tabs 1 on the monitor stand into the corresponding holes in the chassis and lower down the monitor stand as shown. Figure 12. Reinstalling the monitor stand 7. Tighten the two screws to secure the monitor stand to the computer.
Note: The transformer stand is available only in some models. To remove and reinstall the transformer stand, do the following: 1. Remove any media from the drives and turn off all attached devices and the computer. 2. Disconnect all power cords from electrical outlets. 3. Disconnect the power cord, Input/Output cables, and any other cables that are connected to the computer. 4. Place a soft, clean towel or cloth on the desk or flat surface.
6. To reinstall the transformer stand, insert the two tabs 1 on the transformer stand into the corresponding holes in the chassis. Then, press the release button toward the top of the computer and lower down the transformer stand at the same time. Release the release button to secure the transformer stand on the computer. Figure 14.
2. Remove the new wireless keyboard from the package. 3. Install the keyboard by opening the battery compartment cover and installing two AAA batteries according to the polarity indicators. Figure 16. Installing the keyboard batteries 4. Remove the USB dongle from the keyboard compartment or from the wireless mouse compartment and connect it to an available USB connectors on the computer. See “Replacing the wireless mouse” on page 37. 5. Close the compartment cover. The keyboard is ready for use.
1. Open the mouse battery-compartment cover. 2. Remove the USB dongle from the mouse. 3. Connect the USB dongle to any USB connector on the computer. 4. Insert two AAA batteries into the mouse according to the polarity indicators. 5. Close the mouse battery-compartment cover and slide it forward until it clicks into place. 6. Slide the power switch on the mouse to the On position and the LED (light-emitting diode) is on. Notes: • The green LED indicates that the mouse is ready for use.
Obtaining device drivers You can obtain device drivers for operating systems that are not preinstalled at http://www.lenovo.com/support. Installation instructions are provided in readme files with the device-driver files. Chapter 5.
40 ThinkCentre E93z User Guide
Chapter 6. Recovery information This chapter provides information about the recovery solutions provided by Lenovo.
Creating recovery media This section provides instructions on how to create recovery media. Note: On the Windows 7 operating system, you can create recovery media using discs or external USB storage devices. To create recovery media on the Windows 7 operating system, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ Factory Recovery Disks. Then, follow the instructions on the screen. Using recovery media This section provides instructions on how to use recovery media.
1. From the Windows desktop, click Start ➙ All Programs ➙ Lenovo ThinkVantage Tools ➙ Enhanced Backup and Restore. The Rescue and Recovery program opens. 2. In the Rescue and Recovery main window, click the Launch advanced Rescue and Recovery arrow. 3. Click Back up your hard drive and select backup operation options. Then, follow the instructions on the screen to complete the backup operation.
2. Turn on your computer. When you see the logo screen, press Enter, and then press F11 to enter the Rescue and Recovery workspace. 3. If you have set a Rescue and Recovery password, type your password when prompted. The Rescue and Recovery workspace opens after a short delay. Note: If the Rescue and Recovery workspace fails to open, see “Solving recovery problems” on page 46. 4.
2. Repeatedly press and release the F12 key when turning on the computer. When the Please select boot device window opens, release the F12 key. 3. In the Please select boot device window, select the USB hard disk drive as the first boot device and press Enter. The rescue medium starts. When the rescue medium starts, the Rescue and Recovery workspace opens. The help information for each feature is available from the Rescue and Recovery workspace. Follow the instructions to complete the recovery process.
Reinstalling software programs If a software program you installed on your computer is not working correctly, you might need to remove and reinstall it. Reinstalling overwrites the existing programs files and usually fixes any problems that you might have had with that program. To remove a program in your system, see Microsoft Windows help system for detailed information. To reinstall the program, do one of the following: Note: The method of reinstalling a program varies from program to program.
Recovery information for the Windows 8 operating system This section provides information about the recovery solutions provided on computers preinstalled with the Windows 8 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.
48 ThinkCentre E93z User Guide
Chapter 7. Using the Setup Utility program The Setup Utility program is used to view and change the configuration settings of your computer, regardless of which operating system you are using. However, the operating system settings might override any similar settings in the Setup Utility program. Starting the Setup Utility program To start the Setup Utility program, do the following: 1. Ensure your computer is turned off. 2. Repeatedly press and release the F1 key when turning on the computer.
• Administrator Password • Hard Disk Password You do not have to set any passwords to use your computer. However, using passwords improves computing security. If you decide to set any passwords, read the following sections. Password considerations A password can be any combination of up to 64 alphabetic and numeric characters. For security reasons, it is recommended to use a strong password that cannot be easily compromised.
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. For more information, see “Password considerations” on page 50.
3. Select the devices for the Primary Startup Sequence, the Automatic Startup Sequence, and the Error Startup Sequence. Read the information displayed on the right side of the screen. 4. Press F10 to save changes and exit the Setup Utility program. See “Exiting the Setup Utility program” on page 52.
• If you do not want to save the settings, select Exit ➙ Discard Changes and Exit, and then press Enter. When the Reset Without Saving window shows, select Yes, and then press Enter to exit the Setup Utility program. • If you want to return to the default settings, press F9 to load the default settings, and then press F10 to save and exit the Setup Utility program. Chapter 7.
54 ThinkCentre E93z User Guide
Chapter 8. Updating system programs This chapter provides information about updating the POST and BIOS, and how to recover from a POST and BIOS update failure. Using system programs System programs are the basic layer of software built into your computer. System programs include the POST, the BIOS, and the Setup Utility program. The POST is a set of tests and procedures that are performed each time you turn on your computer.
Updating (flashing) the BIOS from your operating system Note: Because Lenovo makes constant improvements to its Web sites, the Web page contents are subject to change without notice, including the contents referenced in the following procedure. To update (flash) the BIOS from your operating system, do the following: 1. Go to http://www.lenovo.com/support. 2. Click Download Drivers & Software. 3. Click Use Quick Path. 4.
Chapter 9. Preventing problems This chapter provides information that can help you avoid common problems and keep your computer running smoothly. Keeping your computer current In some situations you may find it necessary to have the most current software programs, device drivers, or operating system. This section explains how to get the latest updates for your computer.
Using System Update The System Update program helps you keep the software on your computer up-to-date. Update packages are stored on Lenovo servers and can be downloaded from the Lenovo Support Web site. Update packages can contain applications, device drivers, BIOS flashes, or software updates.
Cleaning your computer It is a good practice to clean your computer periodically to protect the surfaces and ensure trouble-free operation. CAUTION: Be sure to turn off the computer and monitor power switches before cleaning the computer and monitor screen. Computer Use only mild cleaning solutions and a damp cloth to clean the painted surfaces of the computer. Keyboard To clean your computer keyboard, do the following: 1. Apply some isopropyl rubbing alcohol to a soft, dust-free cloth. 2.
Many computer supply stores carry the special cleaning fluids for displays. Use cleaning fluids developed for LCD displays only. First apply the fluid to a lint-free, soft cloth, then clean the LCD display. Some computer supply stores carry pre-moistened towelettes for LCD maintenance. Cleaning a glass-screen surface To clean a glass-screen surface, wipe it gently with a soft, dry cloth, or blow on the screen to remove grit and other loose particles.
Chapter 10. Troubleshooting and diagnostics This chapter provides information about diagnosing and troubleshooting computer problems. If your computer problem is not described here, see Chapter 11 “Getting information, help, and service” on page 79 for additional troubleshooting resources. Basic troubleshooting The following table provides information to help you troubleshoot your computer problems. Note: If you cannot correct the problem, have the computer serviced.
Symptom Action The operating system does not start. Verify that: The computer beeps multiple times before the operating system starts. Verify that no keys are stuck. • The startup sequence includes the device where the operating system resides. Usually, the operating system is on the hard disk drive. For more information, see “Selecting a startup device” on page 51.
1. Remove the new hardware option or software. If you must remove the computer cover to remove a hardware option, ensure you review and follow the electrical safety information provided with your computer. For your safety, do not operate the computer with the cover removed. 2. Run the diagnostic program to ensure your computer is operating correctly. 3. Reinstall the new hardware option or software following the manufacturer's instructions.
Note: When external-speaker or headphone cables are attached to the audio connector, the internal speaker, if present, is disabled. In most cases, if an audio adapter is installed in one of the expansion slots, the audio function built into the system board is disabled; use the audio jacks on the adapter. • Ensure that the program you are running is designed for use in the Microsoft Windows operating system.
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. In some cases, only one of the drives is connected to the audio subsystem.
Actions: • Restart the DVD player program. • Close any open files, turn off the computer, and then restart the computer. • Try a lower screen resolution or color depth. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 79. DVD movie will not play Symptom: DVD movie will not play. Actions: • Ensure that the disc surface is clean and not scratched.
• On computers that have a CD-ROM or CD-RW drive in addition to a DVD-ROM drive, ensure that the DVD disc is in the drive labeled “DVD”. If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 79. Intermittent problems Symptom: A problem occurs only occasionally and is difficult to repeat.
4. Double-click USB Enhanced Performance Keyboard. The USB Enhanced Performance Keyboard Customization program starts. If these actions do not correct the problem, have the computer and keyboard serviced. See Chapter 11 “Getting information, help, and service” on page 79 for details. The mouse or pointing device does not work Symptom: The mouse or pointing device does not work. Actions: • Verify that the mouse or pointing-device cable is securely attached to the correct connector on the computer.
• “The monitor works when you turn on the computer, but goes blank when you start some application programs” on page 69 • “The image appears to be flickering” on page 69 • “The image is discolored” on page 70 Wrong characters appear on the screen Symptom: Wrong characters appear on the screen. Action: Have the computer serviced. For details, see Chapter 11 “Getting information, help, and service” on page 79.
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. • You can reset the refresh rate through your operating system Control Panel: On the Windows 7 operating system, click Start ➙ Control Panel ➙ Hardware and Sound ➙ Adjust screen resolution ➙ Advanced Settings. Then click the Monitor tab and select a new refresh rate.
Actions: Ensure that: • The cable is installed properly. The network cable must be securely connected to both the Ethernet connector of your computer and the RJ45 connector of the hub. The maximum allowable distance from the computer to hub is 100 meters. If the cable is connected and the distance is within acceptable limits but the problem persists, try a different cable. • The cable is installed properly. • You are using the correct device driver. On the Windows 7 operating system, do the following: 1.
If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection fails or errors occur Symptom: If your computer is a Gigabit Ethernet model and you use a speed of 1000 Mbps, the connection fails or errors occur. Actions: • Use Category 5 wiring and ensure that the network cable is securely connected. • Connect to a 1000 BASE-T hub/switch (not 1000 BASE-X). If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps.
6. Click OK to close the Sound window. Option problems Use this information to diagnose problems with Lenovo hardware options that do not have their own troubleshooting information. Select your symptom from the following list: • “An option that was just installed does not work” on page 73 • “An option that previously worked does not work now” on page 73 An option that was just installed does not work Symptom: An option that was just installed does not work.
Make a selection from the above list to find out more about the corrective actions you can take. Insufficient free hard disk drive space Symptom: Insufficient free hard disk drive space The Windows operating system will slow down and might produce errors if the hard disk drive gets too full. To check the amount of free space on the Windows 7 operating system, do the following: 1. Click Start ➙ Computer. 2. Right-click your C drive entry and then click Properties. The amount of free disk space is displayed.
Note: Depending on the size of the hard disk drive and amount of data currently stored on the hard disk drive, the disk-defragmentation process might take up to several hours to complete. On the Windows 7 operating system, do the following: 1. Close any programs that are currently running and close any open windows. 2. Click Start ➙ Computer. 3. Right-click your C drive entry and then click Properties. 4. Click the Tools tab. 5. Click Defragment Now, then click Continue. 6.
Serial port problems Use this information to troubleshoot the serial port and devices attached to the serial port. Symptom: Serial port cannot be accessed. Actions: • Ensure the serial cable is securely connected to the serial port on the computer and to the serial device. If the serial device has its own power cord, ensure it is attached to a properly grounded electrical outlet. • If the serial device has its own On/Off switch, ensure it is in the On position.
– The software you are using works correctly on another computer. • If you received any error messages while using the software program, see the printed documentation supplied with the software or the help system for that software for a description of the messages and solutions to the problem. • Check with your software manufacturer to see if any updates are available. Many software manufacturers make updates available from the World Wide Web.
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.
Chapter 11. Getting information, help, and service This chapter contains information about help, service, and technical assistance for products manufactured by Lenovo. Information resources You can use the information in this section to access useful resources relating to your computing needs. Lenovo ThinkVantage Tools The Lenovo ThinkVantage Tools program guides you to a host of information sources and provides easy access to various tools to help you work more easily and securely.
• Access troubleshooting and support information for your computer model and other supported products. • Find the service and support phone numbers for your country or region. • Find a Service Provider located near you. Lenovo Support Web site Technical support information is available on the Lenovo Support Web site at: http://www.lenovo.
• • • • • • Replacement or use of parts not manufactured for or by Lenovo or non-warranted Lenovo parts Identification of software problem sources Configuration of BIOS as part of an installation or upgrade Changes, modifications, or upgrades to device drivers Installation and maintenance of network operating systems (NOS) Installation and maintenance of application programs Refer to the Safety, Warranty, and Setup Guide that comes with your computer for information about your warranty type and duration.
82 ThinkCentre E93z User Guide
Appendix A. Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used.
Trademarks The following terms are trademarks of Lenovo in the United States, other countries, or both: Lenovo The Lenovo logo Rescue and Recovery ThinkCentre ThinkVantage Microsoft, Windows, and Windows Media are trademarks of the Microsoft group of companies. Intel, Intel Core, Celeron, and Pentium are trademarks of Intel Corporation in the U.S. and/or other countries. Linux is a registered trademark of Linus Torvalds. Other company, product, or service names may be trademarks or service marks of others.
Appendix B. Regulatory information Export classification notice This product is subject to the United States Export Administration Regulations (EAR) and has an Export Classification Control Number (ECCN) of 4A994.b. It can be re-exported except to any of the embargoed countries in the EAR E1 country list. Electronic emissions notices The following information refers to Lenovo personal computer machine types 10B8, 10B9, 10BA, 10BH, 10BJ, and 10BK.
European Union - Compliance to the Electromagnetic Compatibility Directive This product is in conformity with the protection requirements of EU Council Directive 2004/108/EC on the approximation of the laws of the Member States relating to electromagnetic compatibility. Lenovo cannot accept responsibility for any failure to satisfy the protection requirements resulting from a non-recommended modification of the product, including the installation of option cards from other manufacturers.
Korea Class B compliance statement Japan VCCI Class B compliance statement Japan compliance statement for products which connect to the power mains with rated current less than or equal to 20 A per phase Lenovo product service information for Taiwan Keyboard and mouse compliance statement for Taiwan Eurasian compliance mark Additional regulatory information For additional regulatory information, refer to the Regulatory Notice shipped with your computer.
88 ThinkCentre E93z User Guide
Appendix C. WEEE and recycling information Lenovo encourages owners of information technology (IT) equipment to responsibly recycle their equipment when it is no longer needed. Lenovo offers a variety of programs and services to assist equipment owners in recycling their IT products. For information on recycling Lenovo products, go to: http://www.lenovo.
Some Lenovo computer products sold in Japan may have components that contain heavy metals or other environmental sensitive substances. To properly dispose of disused components, such as a printed circuit board or drive, use the methods described above for collecting and recycling a disused computer or monitor.
Batteries or packaging for batteries are labeled in accordance with European Directive 2006/66/EC concerning batteries and accumulators and waste batteries and accumulators. The Directive determines the framework for the return and recycling of used batteries and accumulators as applicable throughout the European Union. This label is applied to various batteries to indicate that the battery is not to be thrown away, but rather reclaimed upon end of life per this Directive.
92 ThinkCentre E93z User Guide
Appendix D. Restriction of Hazardous Substances Directive (RoHS) European Union RoHS Lenovo products sold in the European Union, on or after 3 January 2013 meet the 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”). For more information about Lenovo progress on RoHS, go to: http://www.lenovo.com/social_responsibility/us/en/RoHS_Communication.
Ukraine RoHS India RoHS RoHS compliant as per E-Waste (Management & Handling) Rules, 2011.
Appendix E.
96 ThinkCentre E93z User Guide
Appendix F. ENERGY STAR model information ENERGY STAR® is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy aimed at saving money and protecting the environment through energy efficient products and practices. Lenovo is proud to offer our customers products with an ENERGY STAR compliant designation.
98 ThinkCentre E93z User Guide
Index A a rescue medium, creating and using Administrator, password 50 audio subsystem 1 44 flashing the BIOS 55 frame stand removing 32 frame stand, reinstalling 32 front connectors, controls, indicators 9 B backup and recovery operations basic troubleshooting 61 42 getting help 79 information 79 service 79 C cable lock, security 28 changing password 50 startup device sequence 51 cleaning an optical mouse 59 Combo audio jack 11 connector 11 connectors rear 10 connectors, controls, indicators front 9
N notices 83 O operations, backup and recovery optical mouse cleaning 59 42 P password Administrator 50 considerations 50 Power-On Password 50 setting, changing, deleting 50 passwords, using 49 physical specifications 4 power features 3 power-on self-test (POST) 55 Power-On, Password 50 programs, updating system 55 purchasing additional services 81 R rear connectors 10 recovering software 41 recovery operations, backup and 42 problems, solving 46 recovery media, creating and using 41 Rescue and Recover
