Lenovo 5042, 4163, 5046 manual Removing the heat sink fan duct

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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.Remove the front bezel. See “Removing and reinstalling the front bezel” on page 14.

4.Pivot the drive bay assembly upward. Remove the two screws that secure the heat sink fan duct and then lift the heat sink fan duct up to remove it from the chassis.

Figure 18. Removing the heat sink fan duct

5.Disconnect the heat sink and fan assembly cable from the microprocessor fan connector on the system board. See “Locating parts on the system board” on page 9.

6.Follow this sequence to remove the four screws that secure the heat sink and fan assembly to the system board:

a.Partially remove screw

b.Partially remove screw

1 , then fully remove screw

3 , then fully remove screw

2 , and then fully remove screw

4 , and then fully remove screw

1.

3.

Note: Carefully remove the four screws from the system board to avoid any possible damage to the system board. The four screws cannot be removed from the heat sink and fan assembly.

Chapter 2. Installing or replacing hardware 23

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Contents ThinkCentre User Guide Page ThinkCentre User Guide Second Edition November Copyright Lenovo Contents Appendix A. Notices Important safety information Vi ThinkCentre User Guide Product overview FeaturesSecurity features System management featuresInput/Output I/O features Power supplyPreinstalled software programs SpecificationsPreinstalled operating system Software provided with your Windows operating system Software overviewPassword Manager Product RecoveryThinkVantage Rescue and Recovery ThinkVantage Client Security SolutionFingerprint Software Power ManagerThinkVantage System Update LocationsFront connector, control, and indicator locations Locating connectors and parts on the rear of your computerConnector Description Locating parts on the system board Locating componentsSystem board part locations Locating internal drivesDrive bay locations ThinkCentre User Guide Handling static-sensitive devices Installing or replacing hardwareInstalling or replacing hardware Installing external optionsRemoving the computer cover Removing and reinstalling the front bezelGo to Completing the parts replacement on Pivoting the drive bay assembly upward Accessing the system board components and drivesLowering the drive bay assembly Installing or replacing a PCI cardRemoving the PCI card What to do next Installing or replacing a memory moduleRemoving the memory module Installing the memory module Replacing the batteryRemoving the old battery Replacing the heat sink and fan assemblyRemoving the heat sink fan duct Screws that secure the heat sink and fan assembly Replacing the microprocessor Installing the heat sink fan ductAccessing the microprocessor Removing the microprocessor Replacing the power supply assemblyRemoving the heat sink fan duct Removing the power supply assembly Installing the power supply assembly Removing the optical drive screws Replacing the optical driveSlide the optical drive out of the front of the computer Installing a new optical drive Replacing the hard disk drive Connecting a Sata optical driveRemoving the hard disk drive Installing the hard disk drive Replacing the front fan assemblyRemoving the front fan assembly Replacing the keyboard Installing the front fan assemblyReplacing the mouse Keyboard connectorsReinstalling the computer cover Completing the parts replacementPadlock Basic security featuresObtaining device drivers Integrated cable lockErasing a lost or forgotten password clearing Cmos Password protectionInstalling or replacing hardware ThinkCentre User Guide Creating and using recovery media Recovery informationCreating recovery media Performing backup and recovery operations Using recovery mediaClick the Restore your system from a backup icon Performing a backup operationPerforming a recovery operation Using the Rescue and Recovery workspaceCreating and using a rescue medium Installing or reinstalling device drivers Using a rescue mediumCreating a rescue medium Solving recovery problems Using passwords Using the Setup Utility programStarting the Setup Utility program Viewing or changing settingsSetting, changing, or deleting a password Password considerationsPower-on password Administrator passwordSelecting a temporary startup device Selecting a startup deviceViewing or changing the startup device sequence Exiting the Setup Utility program Updating flashing the Bios from a disc Using system programsUpdating system programs Recovering from a Post and Bios update failure Updating flashing the Bios from your operating systemClick Downloads and drivers Updating system programs ThinkCentre User Guide Basic troubleshooting Troubleshooting and diagnostic programsLenovo ThinkVantage Toolbox Diagnostic programsPC-Doctor for DOS Optical mouse Cleaning the mouseNon-optical mouse Retainer ring Ball Plastic rollers Ball cage Lenovo ThinkVantage Tools Getting information, help, and serviceInformation resources Online Books folderLenovo Welcome Access HelpSafety and warranty ThinkVantage Productivity CenterUsing the documentation and diagnostic programs Help and serviceCalling for service Purchasing additional services Using other servicesAppendix A. Notices European conformance CE mark Trademarks Television output noticeCRU IndexKeyboard replacing Lenovo Customer Support Center Solving recovery problems Starting the Setup Utility program ThinkCentre User Guide Page 0A22719

5042, 4163, 5046 specifications

The Lenovo 5046, 4163, and 5042 are part of Lenovo's diverse range of innovative computing solutions, designed to cater to different needs in both personal and professional use. Each model incorporates advanced features and technologies that enhance performance, usability, and efficiency.

The Lenovo 5046 is characterized by its robust processing capabilities, equipped with powerful Intel or AMD processors that handle multitasking with ease. The model supports a range of graphics options, allowing users to enjoy seamless visuals, whether for gaming or graphic design. One of its standout features is its expansive storage options, including solid-state drives (SSDs) that provide faster load times and greater reliability compared to traditional hard disk drives (HDDs). The 5046 also boasts excellent connectivity, featuring multiple USB ports, HDMI output, and Ethernet connectivity, ensuring users can stay connected across various devices.

The 4163 model, on the other hand, focuses on versatility and portability. It is designed with a lightweight chassis that makes it easy to carry, perfect for students or professionals on the go. The 4163 is outfitted with robust battery life, enabling users to work or play for extended periods without needing to recharge frequently. It also features a high-definition display that enhances the viewing experience, making it ideal for video streaming and content consumption. Furthermore, it often includes Lenovo's proprietary technologies such as RapidCharge, which allows the battery to recharge quickly, minimizing downtime.

The Lenovo 5042 caters to a niche market with its emphasis on business functionalities. It often includes security features such as fingerprint readers and encryption options, making it a reliable choice for enterprises concerned about data protection. The model is usually optimized for productivity, with keyboard layouts tailored for comfort and efficiency during long working hours. Enhanced audio features also make conference calls and online meetings more engaging, while its durability ensures it can withstand the rigors of daily use.

In summary, Lenovo's 5046, 4163, and 5042 models each offer unique features tailored to specific user needs. With powerful processing, elegant design, and enhanced collaboration tools, Lenovo continues to lead in providing cutting-edge computing solutions that enhance productivity and user experience. Whether for gaming, portability, or business applications, these models stand out in Lenovo's versatile lineup.