Lenovo 7548 - Manuals

Chapter 1. Product overview This chapter provides information about the computer features, specifications, software programs providedby Lenovo, and locations of connectors, components, parts on the system board, and internal drives. This chapter contains the following topics: • “Features” on page 1:...

Power supply • 240-watt auto-sensing power supply Security features • A power-on password and an administrator password to deter unauthorized use of your computer • Computrace • Cover presence switch (also called intrusion switch) (available in some models) • Enabling or disabling SATA devices • Ena...

Dimensions Width: 99 mm (3.9 inches) Height: 335 mm (13.19 inches) Depth: 382 mm (15.04 inches) Weight Maximum configuration as shipped: 6.6 kg (14.55 lbs) Environment • Air temperature: Operating: 10°C to 35°C (50°F to 95°F) Non-operating: -40°C to 60°C (-40°F to 140°F) Non-operating: -10°C to 60°C...

Lenovo ThinkVantage Toolbox The Lenovo ThinkVantage Toolbox program helps you maintain your computer, improve computing security,diagnose computer problems, get familiar with the innovative technologies provided by Lenovo, and get moreinformation about your computer. For more information, see “Lenov...

1 Optical drive eject/close button 5 USB connector 2 Power switch 6 Microphone connector 3 Hard disk drive activity indicator 7 Headphone connector 4 Power indicator 8 USB connector Locating connectors and parts on the rear of your computer Figure 2 “Rear connector and part locations” on page 7 show...

Connector Description Audio line-in connector Used to receive audio signals from an external audio device, such as a stereosystem. When you attach an external audio device, a cable is connected betweenthe audio line-out connector of the device and the audio line-in connector ofthe computer. Audio li...

Figure 3. Component locations 1 Heat sink and fan assembly 6 Front bezel 2 Power supply assembly 7 Front fan assembly 3 Memory modules (2) 8 Hard disk drive 4 Optical drive (available in some models) 9 PCI card (available in some models) 5 Front USB and audio assembly 10 Heat sink fan duct Locating ...

Figure 4. System board part locations 1 4-pin power connector 11 Clear Complementary Metal Oxide Semiconductor (CMOS) /Recovery jumper 2 Microprocessor 12 Cover presence switch connector (also called intrusion switch connector) 3 Microprocessor fan connector 13 Internal speaker connector 4 Memory sl...

Chapter 2. Installing or replacing hardware This chapter provides instructions on how to install or replace hardware for your computer. This chapter contains the following topics: • “Handling static-sensitive devices” on page 13 • “Installing or replacing hardware” on page 13 • “Obtaining device dri...

identify the required connector. Then, use the instructions that come with the option to help you make theconnection and install software or device drivers that are required for the option. Removing the computer cover Attention: Do not open your computer or attempt any repair before reading and unde...

Removing and reinstalling the front bezel Attention: Do not open your computer or attempt any repair before reading and understanding the “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 G...

4. To reinstall the front bezel, align the other three plastic tabs on the bottom of the front bezel with the corresponding holes in the chassis, then pivot the front bezel inward until it snaps into position. Figure 8. Reinstalling the front bezel 5. Go to “Completing the parts replacement” on page...

4. Pivot the drive bay assembly upward to access all the internal drives, cables, and other components. Figure 9. Pivoting the drive bay assembly upward 5. To lower the drive bay assembly, press the drive bay assembly clip 1 inward and pivot the drive bay assembly downward as shown. Figure 10. Lower...

Figure 11. Removing the PCI card • If you are installing a PCI card, remove the appropriate PCI card slot cover. See “Locating parts on the system board” on page 9 to identify the types of PCI card slots. 4. Remove the new PCI card from its static-protective package. Chapter 2 . Installing or replac...

5. Install the new PCI card into the appropriate PCI card slot on the system board. Then, install the screw to secure the new PCI card in place. Figure 12. Installing the PCI card 6. If necessary, connect any cables between the PCI card and the system board. See “Locating parts on the system board” ...

3. Lay the computer on its side for easier access to the system board. 4. Locate the memory slots on the system board. See “Locating parts on the system board” on page 9. 5. Remove any parts and disconnect any cables that might prevent your access to the memory slots. 6. Do one of the following: • I...

7. Position the new memory module over the memory slot. Make sure that the notch 1 on the new memory module is aligned with the key 2 in the memory slot. Then, press the new memory module straight down into the memory slot until the retaining clips close and the new memory module snaps into position...

5. Remove any parts and disconnect any cables that might prevent your access to the battery. 6. Remove the old battery. Figure 16. Removing the old battery 7. Install the new battery. Figure 17. Installing the new battery 8. Reinstall any parts and reconnect any cables that have been removed or disc...

The heat sink and fan assembly might be very hot. Turn off the computer and wait three to fiveminutes to let the computer cool before removing the computer cover. To replace the heat sink and fan assembly, do the following: 1. Remove all media from the drives and turn off all attached devices and th...

11. Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until the four screw holes in the heat sink fan duct are aligned with those in the heat sink and fan assembly. Installthe four screws to secure the heat sink fan duct. Figure 20. Installing the heat sink fan d...

Figure 22. Removing the microprocessor 6. Make sure that the small handle is in the raised position. 7. Remove the protective cover that protects the gold contacts of the new microprocessor. 8. Hold the new microprocessor by its sides and align the small triangle on one corner of the new microproces...

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 labelattached. There are no servicea...

Figure 23. Removing the heat sink fan duct 5. Disconnect the power supply assembly cables from all drives and from the 24-pin power connector and 4-pin power connector on the system board. See “Locating parts on the system board” on page 9. Note: You might also need to release the power supply assem...

8. Install the new power supply assembly into the chassis so that the screw holes in the new power supply assembly are aligned with the corresponding holes in the rear of the chassis. Then, install the threescrews to secure the new power supply assembly in place. Note: Use only screws provided by Le...

10. Lower and position the heat sink fan duct on the top of the heat sink and fan assembly until the four screw holes in the heat sink fan duct are aligned with the corresponding holes in the heat sink and fanassembly. Then, install the four screws to secure the heat sink fan duct in place. Figure 2...

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 27. Removing the optical drive screws 7. Press the drive bay assembly clip 1 inward and pivot the drive bay assembly downward as shown....

8. Slide the optical drive out of the front of the computer. Figure 29. Removing the optical drive 9. Slide the new optical drive into the optical drive bay from the front of the computer. Figure 30. Installing a new optical drive 34 ThinkCentre User Guide

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 securethe new optical drive in place. Figure 31. Installing the optical drive 11. Connect one end of t...

7. Position the new hard disk drive into the hard disk drive bay and align the screw holes in the new hard disk drive with the corresponding holes in the drive bay. Then, install the four screws to secure thenew hard disk drive in place. Figure 36. Installing the hard disk drive What to do next: • T...

5. Disconnect the card reader cable from the USB connector on the system board. See “Locating parts on the system board” on page 9. 6. Release the card reader cable from the cable clip that secures the cable to the chassis. 7. Lower the drive bay assembly. See “Accessing the system board components ...

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 theholes. Then, carefully pull on the tips of the rubber mounts from the bottom until the new front f...

To replace the keyboard, do the following: 1. Remove all media from the drives. Then, turn off all attached devices and the computer. 2. Disconnect all power cords from electrical outlets. 3. Disconnect the old keyboard cable from the computer. 4. Connect a new keyboard to the appropriate connector ...

4. Connect a new mouse to the appropriate connector on the computer. Your mouse might be connected to a PS/2 mouse connector 1 or a USB connector 2 . Depending on where you want to connect your mouse, see “Locating connectors, controls, and indicators on the front of your computer” on page 6 or“Loca...

5. Position the computer cover on the chassis so that the rail guides on the computer cover engage the rails on the chassis. Then, slide the computer cover to the front of the computer until it snaps intoposition and is closed. Then, install the two screws to secure the computer cover. Figure 42. Re...

Integrated cable lock An integrated cable lock, sometimes referred to as the Kensington lock, can be used to secure yourcomputer to a desk, table, or other non-permanent fixture. The cable lock attaches to a security slot at therear of your computer and is operated with a key. The cable lock also lo...

Padlock Your computer is equipped with a padlock loop so that the computer cover cannot be removed whena 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. Whenyou turn on your...

Chapter 3. Recovery information This chapter provides information about the recovery solutions provided by Lenovo. This chapter contains the following topics: • “Creating and using recovery media” on page 49 • “Performing backup and recovery operations” on page 50 • “Using the Rescue and Recovery wo...

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 on the Windows 7 operating s...

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 backu...

2. Repeatedly press and release the F11 key when turning on the computer. When you hear beeps or see a logo screen, release the F11 key. 3. If you have set a Rescue and Recovery password, type your password when prompted. The Rescue and Recovery workspace opens after a short delay. Note: If the Resc...

Chapter 4. Using the Setup Utility program You can use the Setup Utility program to view and change the configuration settings of your computer,regardless of which operating system you are using. However, the operating system settings might overrideany similar settings in the Setup Utility program. ...

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 bedisplayed in the system configuration. USB Setup Use this option to set up USB connectors. To enable or disable a device,...

2. Select Startup ➙ Primary Boot Sequence . Read the information displayed on the right side of the screen. 3. Select the first boot device, second boot device, and so on. 4. Press Esc to return to the Startup menu. Then, select the devices for the Automatic Boot Sequence and Error Boot Sequence . 5...

Chapter 5. Updating system programs This chapter provides information about updating the POST and BIOS, and how to recover from a POSTand BIOS update failure. This chapter contains the following topics: • “Using system programs” on page 59 • “Updating (flashing) the BIOS from a disc” on page 59 • “U...

5. When prompted to change the machine type and model, it is suggested that you do not make this change by pressing N. However, if you do want to change the machine type and model, press Y, thentype in the machine type and model and press Enter. 6. Follow the instructions on the screen to complete t...

Chapter 6. Troubleshooting and diagnostic programs This chapter provides information about some basic troubleshooting and diagnostic programs. If yourcomputer problem is not described in this chapter, see Chapter 7 “Getting information, help, and service” onpage 67 for additional troubleshooting res...

Symptom Action The mouse does not work. Verify that: • The computer is turned on. • The mouse is correctly connected to an appropriate mouse connector (the PS/2 mouse connector or one of the USB connectors) on the computer. • The mouse is clean. Refer to “Cleaning an optical mouse” on page 65. The o...

To create a diagnostic disc, do the following: 1. Download a self-starting bootable disc image (known as an ISO image) of the diagnostic program from: http://www.lenovo.com/support 2. Use any disc burning software to create a diagnostic disc with the ISO image. Running the diagnostic program from th...

Chapter 7. Getting information, help, and service This chapter provides information about help, service, and technical assistance for Lenovo products. This chapter contains the following topics: • “Information resources” on page 67 • “Help and service” on page 68 Information resources You can use th...

Lenovo Welcome The Lenovo Welcome program introduces some innovative built-in features of Lenovo to you and guides youthrough some important setup tasks to help you make the most of your computer. Access Help The Access Help information system provides information about getting started, doing basic ...

Using the documentation and diagnostic programs If you experience problems with your computer, see Chapter 6 “Troubleshooting and diagnostic programs”on page 63. For information about additional resources to help you troubleshoot your computer problems,see “Information resources” on page 67. If you ...

Using other services If you travel with your computer or relocate it to a country where your desktop or notebook computermachine type is sold, your computer might be eligible for International Warranty Service, which automaticallyentitles you to obtain warranty service throughout the warranty period...

Index A a rescue medium, creating and using 52 Access Help 68 accessing system board components and drives 16 administrator password 56 antivirus software 6 audio line-in connector 8 audio line-out connector 8 audio subsystem 1 B backup and recovery operations 50 basic troubleshooting 63 battery, re...