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

Lenovo 5092, 3034, 6667, 5226, 4394, 3853, 3692, 3557, 3467, 3356 Locating parts on the system board, System board part locations Lenovo 5226, 3034, 6667, 5092, 4394, 3853, 3692, 3557, 3467, 3356, 3307, 3142, 3257, 3131, 3244 manual ThinkCentre User Guide Lenovo 4394, 3034, 6667 Installing or replacing hardware, Handling static-sensitive devices, Installing external options Lenovo 3853, 3034, 6667, 5092, 5226, 4394, 3692, 3557, 3467 Opening the computer cover, Removing and reinstalling the front bezel Lenovo 3692, 3034, 6667, 5092, 5226, 4394, 3853, 3557, 3467 Installing or replacing a memory module, Removing the front bezel Lenovo 3557, 3034, 6667, 5092, 5226, 4394, 3853, 3692, 3467, 3356, 3307, 3142, 3257 Replacing the hard disk drive, What to do next Lenovo 3467, 3034, 6667, 5092, 5226, 4394, 3853, 3692, 3557, 3356, 3307, 3142, 3257, 3131, 3244 manual Removing the hard disk drive Lenovo 3356, 3034, 6667, 5092, 5226, 4394, 3853, 3692, 3557, 3467, 3307 Replacing the optical drive, Removing the optical drive Lenovo 3307, 3034, 6667, 5092, 5226, 4394, 3853, 3692, 3557, 3467, 3356, 3142 Replacing the battery, Installing the optical drive Lenovo 3142, 3034, 6667, 5092, 5226, 4394, 3853, 3692, 3557, 3467, 3356, 3307, 3257 Replacing the heat sink, Removing the old battery Lenovo 3257, 3034, 6667, 5092, 5226, 4394, 3853, 3692, 3557, 3467, 3356, 3307 Replacing the internal speaker, Removing the heat sink Lenovo 3131, 3034, 6667, 5092, 5226, 4394, 3853, 3692 Replacing the front audio and USB assembly, Removing the internal speaker Lenovo 3244, 3034, 6667, 5092, 5226, 4394, 3853, 3692 Replacing the ac power adapter, Removing the front audio and USB assembly Lenovo 3034, 6667, 5092, 5226, 4394, 3853, 3692, 3557 Replacing the ac power adapter bracket, Connecting the ac power adapter Lenovo 6667, 3034, 5092, 5226, 4394, 3853, 3692, 3557, 3467, 3356, 3307, 3142, 3257, 3131, 3244 Removing the ac power adapter bracket Lenovo 5092, 3034, 6667, 5226, 4394, 3853, 3692, 3557, 3467, 3356, 3307, 3142 Installing the ac power adapter into the new bracket Lenovo 5226, 3034, 6667, 5092, 4394, 3853, 3692, 3557, 3467 Replacing the keyboard or mouse, Completing the parts replacement Lenovo 4394, 3034, 6667, 5092, 5226, 3853, 3692, 3557, 3467, 3356, 3307, 3142 Installing security features, Integrated cable lock Lenovo 3853, 3034, 6667, 5092, 5226, 4394, 3692, 3557 Password protection, Erasing lost or forgotten passwords clearing Cmos Lenovo 3692, 3034, 6667, 5092, 5226, 4394, 3853, 3557, 3467, 3356, 3307, 3142, 3257, 3131, 3244 manual ThinkCentre User Guide Lenovo 3557, 3034, 6667, 5092, 5226, 4394 Recovery information, Creating and using recovery media, Creating recovery media Lenovo 3467, 3034, 6667, 5092 Using recovery media, Performing backup and recovery operations, Performing a backup operation Lenovo 3356, 3034, 6667, 5092, 5226, 4394, 3853, 3692 Performing a recovery operation, Using the Rescue and Recovery workspace Lenovo 3307, 3034, 6667, 5092, 5226, 4394, 3853, 3692, 3557, 3467 Creating and using a rescue medium, Creating a rescue medium Lenovo 3142, 3034, 6667, 5092, 5226, 4394, 3853, 3692, 3557, 3467 Using a rescue medium, Installing or reinstalling device drivers Lenovo 3257, 3034, 6667, 5092, 5226, 4394, 3853, 3692, 3557, 3467, 3356, 3307, 3142, 3131, 3244 manual Solving recovery problems Lenovo 3131, 3034, 6667 Using the Setup Utility program, Starting the Setup Utility program, Viewing and changing settings Lenovo 3244 Power-On Password, Administrator Password, Hard Disk Password, Setting, changing, and deleting a password Lenovo 3034, 6667 Selecting a startup device, Selecting a temporary startup device, Exiting from the Setup Utility program Lenovo 6667, 3034, 5092, 5226, 4394, 3853, 3692, 3557, 3467, 3356, 3307, 3142, 3257, 3131, 3244 manual ThinkCentre User Guide Lenovo 5092, 3034, 6667, 5226, 4394 Updating system programs, Using system programs, Updating flashing the Bios from a disc Lenovo 5226, 3034, 6667 Updating flashing the Bios from your operating system, Recovering from a POST/BIOS update failure Lenovo 4394, 3034, 6667, 5092, 5226, 3853, 3692, 3557, 3467, 3356, 3307, 3142 Troubleshooting and diagnostics, Basic troubleshooting Lenovo 3853, 3034, 6667, 5092, 5226, 4394, 3692, 3557, 3467, 3356, 3307, 3142, 3257 Diagnostic programs, Lenovo ThinkVantage Toolbox Lenovo 3692, 3034, 6667, 5092, 5226, 4394, 3853, 3557, 3467, 3356, 3307, 3142 PC-Doctor for Rescue and Recovery, PC-Doctor for DOS Lenovo 3557, 3034, 6667, 5092, 5226, 4394, 3853, 3692, 3467, 3356, 3307, 3142, 3257, 3131, 3244 manual Cleaning an optical mouse
Page 29

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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Page 28 Page 30
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.

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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