Lenovo 3650, 3091, 3265, 4285, 870, 852, 800, 5205, 5248, 3678 Removing the microprocessor fan assembly

Page 51

4.Remove the frame stand or lift stand. See “Removing or reinstalling the frame stand” on page 16 or “Removing or reinstalling the lift stand” on page 17.

5.Remove the rear I/O assembly cover. See “Removing or reinstalling the rear I/O assembly cover” on page 19.

6.Remove the VESA frame cover. See “Removing or reinstalling the VESA frame cover” on page 20.

7.Note the routing of the microprocessor fan assembly cable and then disconnect the microprocessor fan assembly cable from the system board.

8.Remove the three screws 1 that secure the microprocessor fan assembly and then lift the microprocessor fan assembly off the system board.

Figure 33. Removing the microprocessor fan assembly

9.Position the new microprocessor fan assembly on the system board and align the three screw holes in the new microprocessor fan assembly with those in the system board.

10.Install the three screws to secure the microprocessor fan assembly to the system board.

11.Connect the microprocessor fan assembly cable to the system board. See “System board part and connector locations” on page 12.

12.Reinstall the VESA frame cover and the rear I/O assembly cover.

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 52.

Chapter 2. Installing or replacing hardware 43

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Page 50 Page 52
Contents ThinkCentre User Guide Page ThinkCentre User Guide Second Edition May Copyright Lenovo Contents Appendix A. Notices Important safety information Vi ThinkCentre User Guide Product overview FeaturesConnectivity Copyright Lenovo Operating system edition Supported touch feature SpecificationsComputer weight Software provided with your Windows operating system Software overviewLenovo ThinkVantage Toolbox Locating computer controls, connectors, and partsFront view Using your computer in monitor modeIcon Control Description Rear viewConnector Description Component locations Component locationsSystem board part and connector locations System board part and connector locationsProduct overview ThinkCentre User Guide Installing a computer wall mount Installing or replacing hardwareInstalling or replacing hardware Installing external optionsRemoving the computer cover Removing or reinstalling the frame standWhat to do next Removing or reinstalling the lift standRemoving the lift stand Reinstalling the lift stand Removing or reinstalling the rear I/O assembly coverRemoving the rear I/O assembly cover Removing or reinstalling the Vesa frame coverRemoving the Vesa frame cover Removing or reinstalling the Vesa frameRemoving the computer Vesa frame Installing or replacing a memory moduleRemoving the memory module Removing the battery Replacing the batteryReplacing the hard disk drive Installing a new batteryRemoving the hard disk drive Installing the hard disk drive Removing the optical drive Replacing the optical driveReplacing the heat sink Installing the optical driveRemoving the fan duct Removing the heat sink Replacing the microprocessor Removing the microprocessor Installing the microprocessor Replacing the WI-FI cardRemoving the WI-FI card Replacing the Bluetooth moduleReplacing the multi-touch board Removing the Bluetooth moduleRemoving the multi-touch board Replacing the ambient light sensorRemoving the ambient light sensor Removing the ExpressCard Replacing the ExpressCardRemoving the internal speakers Replacing the internal speakersReplacing the integrated camera with microphone Removing the integrated camera with microphone Replacing the microprocessor fan assemblyRemoving the microprocessor fan assembly Removing the card reader Replacing the card readerRemoving the rear I/O assembly Replacing the rear I/O assemblyRemoving the right I/O assembly Replacing the right I/O assemblyReplacing the power supply Removing the power supply Replacing the PS/2 or USB keyboard Replacing the keyboardReplacing the PS/2 or USB mouse Replacing the mouseReplacing the wireless mouse Completing the parts replacement Integrated cable lock Obtaining device drivers Basic security featuresErasing lost or forgotten passwords clearing Cmos Password protectionInstalling or replacing hardware ThinkCentre User Guide Using recovery media Recovery informationCreating and using recovery media Creating recovery mediaPerforming a backup operation Performing backup and recovery operationsUsing the Rescue and Recovery workspace Performing a recovery operationCreating a rescue medium Creating and using a rescue mediumInstalling or reinstalling device drivers Using a rescue mediumSolving recovery problems Using passwords Using the Setup Utility programStarting the Setup Utility program Viewing or changing settingsHard disk drive password Password considerationsAdministrator password Power-on passwordViewing or changing the startup device sequence Enabling or disabling a deviceSelecting a startup device Selecting a temporary startup deviceExiting the Setup Utility program Using system programs Updating flashing the Bios from a discUpdating system programs Recovering from a POST/BIOS update failure Updating flashing the Bios from your operating systemUpdating system programs ThinkCentre User Guide Basic troubleshooting Troubleshooting and diagnostic programsLenovo ThinkVantage Toolbox Diagnostic programsPC-Doctor for DOS PC-Doctor for Rescue and RecoveryCleaning an optical mouse Lenovo ThinkVantage Tools Getting information, help, and serviceInformation resources Online Books folderAccess Help Safety and warrantyLenovo Welcome Copyright Lenovo Purchasing additional services Using other servicesAppendix A. Notices European conformance CE mark Trademarks Television output noticeCRU IndexLenovo ThinkVantage Toolbox Solving recovery problems ThinkCentre User Guide Page 89Y8034

852, 800, 3091, 3429, 5248 specifications

Lenovo has established a reputation for producing reliable and innovative technology solutions, particularly in the realm of computing. The models Lenovo 4285, 5205, 2471, 2557, and 3265 are prime examples of the brand's commitment to performance, efficiency, and user experience.

The Lenovo 4285 is known for its robust build and versatility. This laptop is equipped with a powerful processor, ensuring smooth performance for multitasking and resource-intensive applications. With a focus on portability, it features a lightweight design coupled with a long-lasting battery life, making it an ideal choice for professionals on the go. Additionally, the display boasts vibrant colors and sharp resolution, enhancing the multimedia experience.

In the realm of mid-range laptops, the Lenovo 5205 stands out with its impressive specifications. This model integrates advanced cooling technology, which prevents overheating during extended use. The ergonomic keyboard design is perfect for long typing sessions, providing comfort and efficiency. Furthermore, the inclusion of multiple connectivity options ensures seamless integration with various peripherals, making it a versatile choice for both work and entertainment.

For budget-conscious consumers, the Lenovo 2471 delivers exceptional value without compromising quality. This model is perfect for students and entry-level users, featuring a compact design and sufficient processing power for everyday tasks. It offers a reliable performance for web browsing, document editing, and video streaming. Lenovo’s emphasis on durability is evident, with the 2471 designed to withstand the rigors of daily use.

The Lenovo 2557 offers a blend of style and functionality. With a sleek profile and modern aesthetics, this laptop does not skimp on performance. It features a vibrant display paired with excellent audio output, making it suitable for streaming media and gaming. The device’s built-in security features, including biometric authentication, provide peace of mind for users concerned about data protection.

Lastly, the Lenovo 3265 is tailored for business professionals seeking efficiency and reliability. Boasting powerful processing capabilities and adequate storage options, this model is perfect for handling business applications and data analysis. Additionally, the Lenovo 3265 is equipped with advanced connectivity features, including Wi-Fi 6 support, ensuring fast and reliable internet access.

In summary, the Lenovo models 4285, 5205, 2471, 2557, and 3265 are diverse offerings that cater to various user needs—from students to professionals—combining performance, durability, and cutting-edge technology to enhance productivity and entertainment experiences.
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