Lenovo 3853, 3034, 6667, 5092 Opening the computer cover, Removing and reinstalling the front bezel

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Opening the computer cover

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 Guide, go to:

http://www.lenovo.com/support

This section provides instructions on how to open the computer cover.

CAUTION:

Turn off the computer and wait three to five minutes to let the computer cool before opening the computer cover.

To open the computer cover, 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 power cords, Input/Output cables, and any other cables that are connected to the computer. See “Locating connectors on the front of your computer” on page 6 and “Locating connectors on the rear of your computer” on page 7.

4.Remove any locking device that secures the computer cover, such as an integrated cable lock. See “Integrated cable lock” on page 26.

5.Carefully lift and position the computer upside down as shown in .

6. Pivot the cover-release button

1

on the rear of the computer and then open the computer cover as shown.

Figure 5. Opening the computer cover

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 Guide, go to:

http://www.lenovo.com/support

This section provides instructions on how to remove and reinstall the front bezel.

12ThinkCentre User Guide

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Contents ThinkCentre User Guide Page ThinkCentre User Guide First Edition October Copyright Lenovo Contents Appendix A. Notices Important safety information Viii ThinkCentre User Guide Features Product overviewExpansion Specifications Preinstalled software programsSoftware overview Software provided by LenovoThinkVantage Productivity Center Antivirus software Locations Locating connectors on the front of your computerAdobe Reader Locating connectors on the rear of your computer Connector DescriptionLocating components Component locationsLocating parts on the system board System board part locationsThinkCentre User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Handling static-sensitive devicesRemoving and reinstalling the front bezel Opening the computer coverInstalling or replacing a memory module Removing the front bezelReplacing the hard disk drive What to do nextRemoving the hard disk drive Replacing the optical drive Removing the optical driveReplacing the battery Installing the optical driveRemoving the old battery Replacing the heat sinkReplacing the internal speaker Removing the heat sinkReplacing the front audio and USB assembly Removing the internal speakerReplacing the ac power adapter Removing the front audio and USB assemblyReplacing the ac power adapter bracket Connecting the ac power adapterRemoving the ac power adapter bracket Installing the ac power adapter into the new bracket Completing the parts replacement Replacing the keyboard or mouseInstalling security features Integrated cable lockPassword protection Erasing lost or forgotten passwords clearing CmosThinkCentre User Guide Creating recovery media Recovery informationCreating and using recovery media Performing a backup operation Using recovery mediaPerforming backup and recovery operations Performing a recovery operation Using the Rescue and Recovery workspaceCreating and using a rescue medium Creating a rescue mediumUsing a rescue medium Installing or reinstalling device driversSolving recovery problems Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Using passwordsPower-On Password Administrator PasswordHard Disk Password Setting, changing, and deleting a passwordExiting from the Setup Utility program Selecting a startup deviceSelecting a temporary startup device Selecting or changing the startup device sequenceThinkCentre User Guide Updating system programs Using system programsUpdating flashing the Bios from a disc Updating flashing the Bios from your operating system Recovering from a POST/BIOS update failureTroubleshooting and diagnostics Basic troubleshootingDiagnostic programs Lenovo ThinkVantage ToolboxPC-Doctor for Rescue and Recovery PC-Doctor for DOSCleaning an optical mouse Getting information, help, and service Information resourcesOnline Books folder Lenovo ThinkVantage ToolsLenovo Welcome Access HelpSafety and Warranty Calling for service Help and serviceUsing the documentation and diagnostic programs Using other services Purchasing additional servicesAppendix A. Notices Television output notice European conformance CE mark TrademarksIndex CRURescue and Recovery workspace Page ThinkCentre User Guide Page 71Y7204

3244, 3131, 3257, 3142, 3307 specifications

Lenovo has always been a frontrunner in the computing industry, and their latest line of devices, including models 5226, 3557, 3131, 3257, and 3244, showcases their commitment to innovation, performance, and user-centric design. Each model is tailored to meet varying needs ranging from business professionals to casual users seeking reliable computing solutions.

The Lenovo 5226 is engineered with business users in mind. Its sleek design integrates powerful processing capabilities with security features like a fingerprint reader and TPM 2.0 for enhanced data protection. Equipped with the latest Intel Core processors, the 5226 ensures efficient performance, making multitasking seamless. Additionally, the display quality is top-notch, featuring a high-resolution screen that delivers vivid colors and sharp details, ideal for presentations and video conferencing.

Next, the Lenovo 3557 combines portability with functionality. Weighing less than its peers, this model is perfect for users on the go. The efficient battery life allows for extended use without needing a recharge, making it a suitable choice for students and professionals alike. The 3557 also features Lenovo's proprietary Rapid Charge technology, enabling quick recharges when time is of the essence.

The 3131 model stands out with its robust build and durability. Designed to withstand the rigors of daily use, this laptop features a spill-resistant keyboard and reinforced chassis, ensuring it can handle accidental drops or spills. With ample storage options and expansive RAM, it caters to users who require significant data handling, making it an excellent choice for creators and engineers.

For those looking for multimedia capabilities, the Lenovo 3257 brings a tantalizing display experience. With enhanced graphics and an immersive audio system, this model is ideal for entertainment and gaming. The inclusion of HDMI ports and multiple USB 3.0 ports facilitates easy connectivity to external devices, ensuring users can enjoy their favorite media on larger screens without hassle.

Lastly, the Lenovo 3244 focuses on providing value for money without compromising on performance. This model is equipped with a reliable processor and solid-state drive options that ensure quick boot times and fast data access. The energy-efficient design also contributes to longer battery life, making it an ideal choice for budget-conscious users who don’t want to sacrifice performance.

In summary, Lenovo's 5226, 3557, 3131, 3257, and 3244 models offer a diverse range of features that cater to different user requirements. From advanced business functionalities to entertainment options, Lenovo continues to leverage innovative technologies that enhance the overall computing experience.
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