Lenovo 3244, 3034, 6667 Replacing the ac power adapter, Removing the front audio and USB assembly

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4.Disconnect the front audio and USB assembly cables from the system board and note the cables routing. See “Locating parts on the system board” on page 9.

5.Remove the screw that secures the front audio and USB assembly to the chassis.

Figure 18. Removing the front audio and USB assembly

6.Locate the power switch assembly beside the front audio and USB assembly. Remove the power switch assembly by releasing the tab that secures the power switch assembly to the chassis.

7.Completely remove the failing front audio and USB assembly from the chassis.

8.Install the new front audio and USB assembly into the chassis and align the screw hole in the front audio and USB assembly with the corresponding hole in the chassis.

9.Install the screw to secure the new front audio and USB assembly to the chassis.

10.Install the new power switch assembly into the chassis.

11.Connect the front USB, front panel, and front audio cables to the system board. See “Locating parts on the system board” on page 9.

12.Reinstall the front bezel. See “Removing and reinstalling the front bezel” on page 12.

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 25.

Replacing the ac power adapter

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 replace the ac power adapter.

To replace the ac power adapter, do the following:

Chapter 2. Installing or replacing hardware 21

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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 Product overview FeaturesExpansion Preinstalled software programs SpecificationsSoftware provided by Lenovo Software overviewThinkVantage Productivity Center Antivirus software Locations Locating connectors on the front of your computerAdobe Reader Connector Description Locating connectors on the rear of your computerComponent locations Locating componentsSystem board part locations Locating parts on the system boardThinkCentre User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Handling static-sensitive devicesOpening the computer cover Removing and reinstalling the front bezelRemoving the front bezel Installing or replacing a memory moduleWhat to do next Replacing the hard disk driveRemoving the hard disk drive Removing the optical drive Replacing the optical driveInstalling the optical drive Replacing the batteryReplacing the heat sink Removing the old batteryRemoving the heat sink Replacing the internal speakerRemoving the internal speaker Replacing the front audio and USB assemblyRemoving the front audio and USB assembly Replacing the ac power adapterConnecting the ac power adapter Replacing the ac power adapter bracketRemoving the ac power adapter bracket Installing the ac power adapter into the new bracket Replacing the keyboard or mouse Completing the parts replacementIntegrated cable lock Installing security featuresErasing lost or forgotten passwords clearing Cmos Password protectionThinkCentre User Guide Creating recovery media Recovery informationCreating and using recovery media Performing a backup operation Using recovery mediaPerforming backup and recovery operations Using 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 Starting the Setup Utility program Using the Setup Utility programViewing and changing settings Using passwordsAdministrator Password Power-On PasswordHard Disk Password Setting, changing, and deleting a passwordSelecting a startup device Exiting from the Setup Utility programSelecting 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 Recovering from a POST/BIOS update failure Updating flashing the Bios from your operating systemBasic troubleshooting Troubleshooting and diagnosticsLenovo ThinkVantage Toolbox Diagnostic programsPC-Doctor for DOS PC-Doctor for Rescue and RecoveryCleaning an optical mouse Information resources Getting information, help, and serviceOnline Books folder Lenovo ThinkVantage ToolsLenovo Welcome Access HelpSafety and Warranty Calling for service Help and serviceUsing the documentation and diagnostic programs Purchasing additional services Using other servicesAppendix A. Notices European conformance CE mark Trademarks Television output noticeCRU IndexRescue 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.

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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.

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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.