Lenovo 3307, 3034, 6667, 5092, 5226, 4394, 3853, 3692, 3557, 3467, 3356, 3142, 3257, 3131, 3244 manual Expansion

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•Intel Matrix Storage Manager

•Preboot Execution Environment (PXE)

•Secure Managed Client (SMC) (some models)

•System Management (SM) Basic Input/Output System (BIOS) and SM software

•Wake on LAN

•Wake on Ring

•Windows Management Instrumentation (WMI)

Input/Output (I/O) features

•Eight Universal Serial Bus (USB) connectors (two on the front panel and six on the rear panel)

•Ethernet connector

•One DisplayPort connector

•One 9-pin serial port (optional)

•One Personal System/2® (PS/2®) keyboard connector (optional)

•One PS/2 mouse connector (optional)

•One VGA monitor connector

•Three audio connectors on the rear panel (audio line-in connector, audio line-out connector, and microphone connector)

•Two audio connectors on the front panel (microphone connector and headphone connector)

For more information, see “Locating connectors on the front of your computer” on page 6 and “Locating connectors on the rear of your computer” on page 7.

Expansion

•One hard disk drive bay

•One optical drive bay

•One PCI card slot

Power Supply

•130-watt power adapter

•Advanced Configuration and Power Interface (ACPI) support

Security features

•Computrace

•Cover presence switch (also called intrusion switch)

•Enabling or disabling a device

•Enabling or disabling USB connectors individually

•Hard disk drive password

•Keyboard with fingerprint reader (shipped with some models)

•Power-on password (POP), administrator password, and hard disk drive password to deter unauthorized use of your computer

•Startup sequence control

•Startup without keyboard or mouse

•Support for an integrated cable lock (Kensington lock)

2ThinkCentre 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 Adobe Reader Locations Locating connectors on the front of your computerAntivirus software 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 external options Installing or replacing hardwareInstalling or replacing hardware 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 and using recovery media Recovery informationCreating recovery media Performing backup and recovery operations Using recovery mediaPerforming a backup operation 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 Viewing and changing settings Using the Setup Utility programStarting the Setup Utility program Using passwordsHard Disk Password Power-On PasswordAdministrator Password Setting, changing, and deleting a passwordSelecting a temporary startup device Exiting from the Setup Utility programSelecting a startup device Selecting or changing the startup device sequenceThinkCentre User Guide Updating flashing the Bios from a disc Using system programsUpdating system programs 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 Online Books folder Getting information, help, and serviceInformation resources Lenovo ThinkVantage ToolsSafety and Warranty Access HelpLenovo Welcome Using the documentation and diagnostic programs Help and serviceCalling for service 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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