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Related Manuals for Lenovo 7844B4U
Summary of Contents for Lenovo 7844B4U
- Page 1 ThinkCentre User Guide Machine Types: 0889, 5023, and 7844...
- Page 3 ThinkCentre User Guide...
- Page 4 First Edition (July 2010) © Copyright Lenovo 2010. LENOVO products, data, computer software, and services have been developed exclusively at private expense and are sold to governmental entities as commercial items as defined by 48 C.F.R. 2.101 with limited and restricted rights to use, reproduction and disclosure.
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Page 5: Table Of Contents
Replacing the power supply assembly . 29 Diagnostic programs . . 70 Replacing the optical drive . . 34 Lenovo ThinkVantage Toolbox . . 70 Replacing the hard disk drive . . 38 PC-Doctor for Rescue and Recovery . . 70 Replacing the card reader. - Page 6 Appendix. Notices ..79 Trademarks . . 80 Television output notice . . 80 Index ....81 European conformance CE mark .
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Page 7: Important Safety Information
If you no longer have a copy of the ThinkCentre Safety and Warranty Guide, you can ® obtain a Portable Document Format (PDF) version from the Lenovo Support Web site at: http://www.lenovo.com/support... - Page 8 User Guide...
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Page 9: Chapter 1. Product Overview
Serial Advanced Technology Attachment (SATA) hard disk drive Video subsystem v Integrated graphics card functioning through a Video Graphics Array (VGA) connector v Peripheral Component Interconnect (PCI) Express x16 graphics card slot on the system board for a discrete graphics card © Copyright Lenovo 2010... - Page 10 Audio subsystem v Integrated high-definition (HD) audio v Headphone connector and microphone connector on the front panel v Audio line-in connector, audio line-out connector, and microphone connector on the rear panel Connectivity v 10/100/1000 Mbps integrated Ethernet controller System management features v Ability to store the power-on self-test (POST) hardware test results v Advanced Configuration and Power Interface (ACPI) v Automatic power-on startup...
- Page 11 (preinstalled through downgrade rights in Windows 7 Professional) Operating system(s), certified or tested for compatibility Additional operating systems might be identified by Lenovo as compatible with your computer following the publication of this manual. To determine if an operating system has been certified or tested for compatibility, check the Web site of the operating system vendor.
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Page 12: Specifications
This section provides information about the software provided with your Windows operating system. Software provided by Lenovo The following software programs are provided by Lenovo to help you improve productivity and reduce the cost associated with maintaining your computer. Software programs provided with your computer might vary depending on your model type and preinstalled operating system. - Page 13 Lenovo. Lenovo Welcome: The Lenovo Welcome program introduces some innovative built-in features of Lenovo to you and guides you through some important setup tasks to help you make the most of your computer. Note: The Lenovo Welcome program is only available on computers preinstalled with the Windows 7 operating system from Lenovo.
- Page 14 Antivirus software Your computer comes with antivirus software that you can use to 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.
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Page 15: Locations
Locations This section provides information to help you locate your computer connectors, components, parts on the system board, and internal drives. Locating connectors, controls, and indicators on the front of your computer Figure 1 shows the locations of the connectors, controls, and indicators on the front of your computer. -
Page 16: Locating Connectors And Parts On The Rear Of Your Computer
Locating connectors and parts on the rear of your computer Figure 2 shows the locations of the connectors and parts on the rear of your computer. Some connectors on the rear of your computer are color-coded to help you determine where to connect the cables on your computer. Figure 2. - Page 17 Connector Description Audio line-in connector Used to receive audio signals from an external audio device, such as a stereo system. When you attach an external audio device, a cable is connected between the audio line-out connector of the device and the audio line-in connector of the computer.
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Page 18: Locating Components
Locating components Figure 3 shows the locations of the various components in your computer. To remove the computer cover and gain access to the inside of the computer, see “Removing the computer cover” on page 14. Figure 3. Component locations 1 Heat sink fan duct 8 Hard disk drive 2 Heat sink and fan assembly (with a... -
Page 19: Locating Parts On The System Board
Locating parts on the system board Figure 4 shows the locations of the parts on the system board. Figure 4. System board part locations 1 Microprocessor 9 USB connector 2 Microprocessor fan connector 10 Battery 3 Memory slots (2) 11 Front audio connector 4 24-pin power connector 12 PCI card slot 5 Front panel connector... -
Page 20: Locating Internal Drives
Locating internal drives Internal drives are devices that your computer uses to read and store data. You can add drives to your computer to increase storage capacity and enable your computer to read other types of media. Internal drives are installed in bays. In this manual, the bays are referred to as bay 1, bay 2, and so on. -
Page 21: Chapter 2. Installing Or Replacing Hardware
PCI cards, or drives, and maintain your computer by replacing the failing hardware. 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 22: Installing External Options
“Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to remove the computer cover. -
Page 23: Removing And Reinstalling The Front Bezel
“Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to remove and reinstall the front bezel. - Page 24 3. Remove the front bezel by releasing the three plastic tabs on the top and pivoting the front bezel forward. Carefully lay the front bezel to the side without disconnecting the power switch and light-emitting diode (LED) assembly cable. Figure 7. Removing the front bezel 4.
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Page 25: Accessing The System Board Components And Drives
“Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to access the system board components and drives. -
Page 26: Installing Or Replacing A Pci Card
“Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to install or replace a PCI card. - Page 27 b. If the PCI card is secured in place by a retaining latch 1 , press the retaining latch to release the PCI card from the latch. Then, grasp the PCI card by the edges and carefully pull it out of the PCI card slot. If necessary, alternate moving each side of the PCI card a small and equal amount until it is completely removed from the slot.
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Page 28: Installing Or Replacing A Memory Module
“Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to install or replace a memory module. - Page 29 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2. Remove the computer cover. See “Removing the computer cover” on page 14. 3.
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Page 30: Replacing The Battery
“Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support Your computer has a special type of memory that maintains the date, time, and configuration information for built-in features. - Page 31 To replace the battery, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2.
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Page 32: Replacing The Heat Sink And Fan Assembly
“Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the heat sink and fan assembly. - Page 33 6. Remove the four screws that secure the heat sink and fan assembly in the following sequence: Note: Carefully remove the four screws from the system board to avoid any possible damage. The four screws are integrated parts of the heat sink and fan assembly and they cannot be removed from the heat sink and fan assembly.
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Page 34: Replacing The Microprocessor
“Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the microprocessor. User Guide... - Page 35 CAUTION: The heat sink and microprocessor might be very hot. Turn off the computer and wait three to five minutes to let the computer cool before removing the computer cover. To replace the microprocessor, do the following: 1. Remove all media from the drives and turn off all attached devices and the computer.
- Page 36 b. Note the orientation of the microprocessor in the socket. You can either look for the small triangle 1 on one corner of the microprocessor or note the orientation of the notches 2 on the microprocessor. This is important when installing the new microprocessor on the system board. c.
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Page 37: Replacing The Power Supply Assembly
“Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the power supply assembly. - Page 38 DANGER 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 39 4. Pivot the drive bay assembly upward, remove the four screws that secure the heat sink fan duct, and then lift the heat sink fan duct up to remove it from the chassis. Figure 23. Removing the heat sink fan duct 5.
- Page 40 6. At the rear of the computer, remove the three screws that secure the power supply assembly. Press the release button 1 , slide the power supply assembly a little bit forward, and then remove the power supply assembly from the computer. Figure 24.
- Page 41 Then, install the three screws to secure the new power supply assembly in place. Note: Use only screws provided by Lenovo. Figure 25. Installing the power supply assembly 9. Connect the new power supply assembly cables to all drives and to the 24-pin power connector and 4-pin power connector on the system board.
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Page 42: Replacing The Optical Drive
“Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the optical drive. - Page 43 1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer. 2. Remove the computer cover. See “Removing the computer cover” on page 14. 3.
- Page 44 8. Slide the optical drive out of the front of the computer. Figure 28. Removing the optical drive 9. Slide the new optical drive into the optical drive bay from the front of the computer. Figure 29. Installing the optical drive User Guide...
- Page 45 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 side of the drive bay assembly. Then, install the two screws to secure the new optical drive in place.
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Page 46: Replacing The Hard Disk Drive
“Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the hard disk drive. - Page 47 5. Hold the hard disk drive from one side of the drive bay assembly and remove the four screws that secure the hard disk drive from the other side. Then, remove the hard disk drive from the drive bay assembly and disconnect the signal cable and the power cable from the rear of the hard disk drive to completely remove it from the chassis.
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Page 48: Replacing The Card Reader
“Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the card reader. - Page 49 2. Remove the computer cover. See “Removing the computer cover” on page 14. 3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 15. 4. Pivot the drive bay assembly upward to gain access to all the internal cables. See “Accessing the system board components and drives”...
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Page 50: Replacing The Front Audio And Usb Assembly
“Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the front audio and USB assembly. -
Page 51: Replacing The Front Fan Assembly
“Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the front fan assembly. - Page 52 8. The front fan assembly is attached to the chassis by four rubber mounts 1 . Remove the front fan assembly by cutting the rubber mounts and lifting the front fan assembly out of the chassis. Figure 38. Removing the front fan assembly User Guide...
- Page 53 9. Install the new front fan assembly by aligning the new rubber mounts that came with the new front 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 side until the new front fan assembly is secured in place.
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Page 54: Replacing The Usb Keyboard Or Mouse
“Important safety information” in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support This section provides instructions on how to replace the USB keyboard or mouse. - Page 55 2. Make sure that all the internal cables are routed properly to avoid interference with lowering the drive bay assembly and closing the computer cover. Keep the cables clear of the hinges and sides of the chassis. Figure 41. Cable routing (For a clear illustration of the cable routing, some components are not shown here.) 3.
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Page 56: Obtaining Device Drivers
Setup Utility program. See Chapter 4, “Using the Setup Utility program,” on page 61. Note: In most areas of the world, Lenovo requires the return of the defective Customer Replaceable Units (CRUs). Information about this will come with the new CRUs or will come a few days after you receive the new CRUs. -
Page 57: Integrated Cable Lock
The cable lock also locks the computer cover. See Figure 43. This is the same type of lock used with many notebook computers. You can order an integrated cable lock from Lenovo by searching for Kensington at: http://www.lenovo.com/support Note: Make sure that the integrated cable lock you installed does not interfere with other computer cables. -
Page 58: Padlock
Padlock Your computer is equipped with a padlock loop so that the computer cover cannot be removed when a padlock is installed. Figure 44. Installing a padlock Password protection To deter unauthorized use of your computer, you can use the Setup Utility program to set a password. - Page 59 5. Move the jumper from the standard position (pin 1 and pin 2) to the maintenance position (pin 2 and pin 3). 6. Reinstall any parts and reconnect any cables that have been removed or disconnected. 7. Reinstall the computer cover and reconnect the power cords for the computer and monitor.
- Page 60 User Guide...
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Page 61: Chapter 3. Recovery Information
″creating Product Recovery discs.″ v 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. © Copyright Lenovo 2010... -
Page 62: Using Recovery Media
v To create Product Recovery discs on the Windows XP operating system, click Start → All Programs → ThinkVantage → Create Recovery Media. Then, follow the instructions on the screen. Using recovery media This section provides instructions on how to use recovery media on different operating systems. -
Page 63: Performing Backup And Recovery Operations
To perform a backup 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 64: Using The Rescue And Recovery Workspace
v To perform a recovery operation using the Rescue and Recovery program on the Windows XP operating system, do the following: 1. From the Windows desktop, click Start → All Programs → ThinkVantage → Rescue and Recovery. The Rescue and Recovery program opens. 2. -
Page 65: Creating And Using A Rescue Medium
To create a rescue medium on the Windows 7 operating system, do the following: 1. From the Windows desktop, click Start → All Programs → Lenovo ThinkVantage Tools → Enhanced Backup and Restore. The Rescue and Recovery program opens. -
Page 66: Using A Rescue Medium
Device drivers for factory-installed devices are located on the computer hard disk drive (usually drive C:) in the SWTOOLS\DRIVERS subdirectory. The latest device drivers for factory-installed devices are also available at http://www.lenovo.com/ support. Other device drivers are on the software media that come with individual devices. -
Page 67: Solving Recovery Problems
3. Go to the C:\SWTOOLS directory. 4. Open the DRIVERS folder. Within the DRIVERS folder, there are several subfolders named for various devices installed in your computer, such as AUDIO or VIDEO. 5. Open the appropriate device subfolder. 6. Do one of the following: v In the device subfolder, look for a SETUP.exe file. - Page 68 User Guide...
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Page 69: Copyright Lenovo
Set Power-On Password v Set Administrator Password You do not have to set a password to use your computer. However, using a password improves computing security. If you decide to set a password, read the following sections. © Copyright Lenovo 2010... -
Page 70: Password Considerations
Password considerations A password can be any combination of up to 16 (1 to 16) alphabetic and numeric characters. For security reasons, it is recommended to use a strong password that cannot be easily compromised. To set a strong password, use the following guidelines: Note: The Setup Utility program passwords are not case sensitive. -
Page 71: Enabling Or Disabling A Device
Enabling or disabling a device This section provides instructions on how to enable or disable user access to a device. SATA Controller When this option is set to Disabled, all devices connected to the SATA connectors (such as the hard disk drive and the optical drive) are disabled and will not be displayed in the system configuration. -
Page 72: Viewing Or Changing The Startup Device Sequence
2. Repeatedly press and release the F12 key when turning on the computer. When the Startup Device Menu opens, release the F12 key. 3. Select the desired startup device on the Startup Device Menu and press Enter. Note: Selecting a startup device on the Startup Device Menu does not permanently change the startup device sequence. -
Page 73: Chapter 5. Updating System Programs
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 74: 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. - Page 75 8. Turn on the computer and insert the POST and BIOS update (flash update) disc into the optical drive. The recovery session begins. The recovery session will take two to three minutes. During this time, you will hear a series of beeps.
- Page 76 User Guide...
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Page 77: Chapter 6. Troubleshooting And Diagnostic Programs
You can also get the latest service and support telephone numbers and a PDF version of the ThinkCentre Safety and Warranty Guide from the Lenovo Support Web site at: http://www.lenovo.com/support Symptom... -
Page 78: Diagnostic Programs
To run the Lenovo ThinkVantage Toolbox program on the Windows 7 operating system, click Start → All Programs → Lenovo ThinkVantage Tools → System Health and Diagnostics. -
Page 79: Pc-Doctor For Dos
PC-Doctor for DOS You can also download the latest version of the PC-Doctor for DOS diagnostic program from http://www.lenovo.com/support. The PC-Doctor for DOS diagnostic program runs independently of the Windows operating system. Use the PC-Doctor for DOS diagnostic program if you are unable to start the Windows operating system. -
Page 80: Cleaning An Optical Mouse
Cleaning an 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. -
Page 81: Chapter 7. Getting Information, Help, And Service
PDF file and you will be guided through the Adobe Reader installation. 2. The publication is available in other languages on the Lenovo Support Web site http://www.lenovo.com/support 3. If you want to install a different language version of the Adobe Reader... -
Page 82: Thinkvantage Productivity Center
Windows 7 operating system from Lenovo. The Lenovo Welcome program introduces some innovative built-in features of Lenovo to you and guides you through some important setup tasks to help you make the most of your computer. Access Help... -
Page 83: Lenovo Web Site (Http://Www.lenovo.com)
79. Lenovo Web site (http://www.lenovo.com) The Lenovo Web site provides up-to-date information and services to help you buy, upgrade, and maintain your computer. You can also do the following: v Shop for desktop and notebook computers, monitors, projectors, upgrades and accessories for your computer, and special offers. -
Page 84: Calling For Service
You must retain your proof of purchase to obtain warranty service. For a list of the Lenovo Support phone numbers for your country or region, go to http://www.lenovo.com/support and click Support phone list or refer to the ThinkCentre Safety and Warranty Guide that is provided with your computer. -
Page 85: Purchasing Additional 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 Chapter 7. Getting information, help, and service... - Page 86 User Guide...
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Page 87: Appendix. Notices
Web sites. The materials at those Web sites are not part of the materials for this Lenovo product, and use of those Web sites is at your own risk. -
Page 88: Trademarks
Trademarks Lenovo, the Lenovo logo, Rescue and Recovery, ThinkCentre, and ThinkVantage are trademarks of Lenovo in the United States, other countries, or both. Microsoft and Windows are trademarks of the Microsoft group of companies. Celeron, Intel, Intel Core, and Pentium are trademarks of Intel Corporation in the United States, other countries, or both. - Page 89 69 installing options diagnostic programs, using 75 security features 48 documentation, using 75 installing, replacing drivers, device 48 memory module 20 drives PCI card 18 internal 12 internal drives 12 internal drives 1 © Copyright Lenovo 2010...
- Page 90 46 rear connectors 8 recovering from a POST and BIOS update failure 66 software 53 recovery Lenovo Customer Support Center 76 Boot-block Recovery 66 Lenovo ThinkVantage Toolbox 70 operations, backup and 55 Lenovo ThinkVantage Tools 73 problems, solving 59...
- Page 91 57 diagnostic programs 75 documentation 75 other services 76 passwords 61 Setup Utility program 61 VGA monitor connector 9 video subsystem 1 viewing or changing settings 61 warranty information 74 Web site, Lenovo 75 workspace, backup and recovery 56 Index...
- Page 92 User Guide...
- Page 94 Part Number: 89Y9113 Printed in USA (1P) P/N: 89Y9113...