Lenovo 3319, 3026, 3269, 3039, 5548, 5536, 5391, 5472, 5485, 3627, 3491, 3394, 3149, 3137, 3245 Power supply

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•Ability to store power-on self-test (POST) hardware test results

•Automatic power-on startup

•Desktop Management Interface (DMI)

•Intel Active Management Technology (AMT) (available on some models)

•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

•9-pin serial port (one standard and one optional)

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

•Ethernet connector

•One DisplayPort connector (not applicable on some models)

•One VGA monitor connector (not applicable on some models)

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

•One PS/2 mouse connector (optional)

•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

•One PCI Express x16 graphics card slot

Power supply

• 240-watt auto-sensing power supply

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)

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 overviewPower supply 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 locationsLocating internal drives Drive bay locationsInstalling external options Installing or replacing hardwareInstalling or replacing hardware Handling static-sensitive devicesAccessing the system board components and drives Opening the computer coverInstalling or replacing a memory module Pivoting the optical drive bay assemblyOpening the retaining clips Installing or replacing a PCI card What to do nextRemoving a PCI card Replacing the battery Installing the PCI cardRemoving the old battery Replacing the hard disk driveRemoving the hard disk drive Installing the hard disk drive Replacing the optical driveRemoving the old optical drive Replacing the power supply assembly Installing a new optical driveRemoving the retaining screws for the power supply assembly Removing the power supply assembly Replacing the heat sinkRemoving the heat sink Replacing the front audio and USB assembly Replacing the system fan Removing the front bezelReplacing the internal speaker Removing the system fanRemoving the front bezel Removing the internal speaker Installing the new internal speaker Replacing the keyboard or mouseCompleting the parts replacement Connecting a new keyboard or mouseInstalling security features Integrated cable lockPassword protection Erasing lost or forgotten passwords clearing CmosCreating 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 UtilityStarting 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 71Y7175