Security | Lenovo 1992, 1993, 1995, 1986, 1985, 1987, 1994, 1982, 1983

For more information about how to use your antivirus software, refer to the help system of your antivirus software.

Chapter 4. Security 27

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Lenovo 1992, 1993, 1995, 1986, 1985, 1987, 1994, 1982, 1983, 1990 manual Security

Contents

ThinkCentre User Guide Third Edition June Copyright Lenovo 2011 Contents Appendix A. Notices 107 Index Iv ThinkCentre User Guide Important safety information Service and upgradesStatic electricity prevention Extension cords and related devices Power cords and power adapters Plugs and outlets External devicesHeat and product ventilation Operating environment Modem safety information Power supply statement Cleaning and maintenanceLaser compliance statement ThinkCentre User Guide Product overview Features System management features Input/Output I/O featuresConnectivity Preinstalled operating system Power supplySecurity features Preinstalled software programs Specifications Software overviewSoftware provided by Lenovo Fingerprint Software Lenovo Solution CenterLenovo ThinkVantage Tools Lenovo Welcome ThinkVantage Rescue and Recovery Product RecoveryThinkVantage Password Manager ThinkVantage Power Manager ThinkVantage System Update Adobe Reader Antivirus softwareLocations Front connector, control, and indicator locations Rear connector locations Locating connectors on the rear of your computer Connector Description Component locations Locating components System board part locations Locating parts on the system board Drive bay locations Locating internal drives Machine type and model label Machine type and model label Using Windows shortcut keys Using your computerFrequently asked questions Using the keyboard About your computer audio Using a fingerprint readerUsing the wheel mouse Adjusting audio Adding the volume icon to the taskbar Setting the volume from the desktopSetting the volume from Control Panel Using CDs and DVDs Recording a CD or DVD Playing a CD or DVD Comfort Accessibility and comfortYou and your computer Arranging your workspace Glare and lighting Air circulationElectrical outlets and cable lengths Moving your computer to another country or region Voltage-selection switchReplacement power cords Register your computer with Lenovo ThinkCentre User Guide Security Security features Locking the computer cover Installing a padlock Using passwords Bios passwordsAttaching an integrated cable lock Protecting data against viruses Windows passwordsConfiguring the fingerprint reader Using and understanding firewalls Security ThinkCentre User Guide Handling static-sensitive devices Installing or replacing hardwareInstalling or replacing hardware Installing external options Removing the computer cover Removing the computer cover Removing and reinstalling the front bezel Installing or replacing a PCI cardWhat to do next Opening the PCI card latch Removing a PCI card Installing a PCI card Installing or replacing a memory module Removing a memory module Installing a memory module Installing or replacing the optical drive Removing the optical drive Installing the optical drive Installing or replacing the card reader Removing the card reader retainer Installing the card reader Installing the card reader Removing the card reader Replacing the card reader Replacing the battery Install a new battery Replacing the power supply assembly Removing the screws for the power supply assembly Replacing the heat sink and fan assembly Removing the heat sink and fan assembly Replacing the microprocessor Reinstalling the heat sink and fan assembly Accessing the microprocessor Replacing the primary hard disk drive Removing the primary hard disk drive Replacing the secondary hard disk drive Installing the primary hard disk drive Removing the secondary hard disk drive Installing the secondary hard disk drive Replacing the front fan assembly Removing the front fan assembly Replacing the rear fan Installing the front fan assembly Removing the rear fan Installing the rear fan Replacing the front audio and USB assembly Replacing the internal speaker Removing the old internal speaker Replacing the keyboard or mouse Installing a new internal speaker Connecting the USB keyboard or mouse Completing the parts replacement Obtaining device drivers Reinstalling the computer cover Recovery information Creating and using recovery mediaCreating recovery media Using recovery media Performing backup and recovery operationsPerforming a backup operation Performing a recovery operation Using the Rescue and Recovery workspaceClick the Restore your system from a backup icon Creating and using a rescue medium Using a rescue mediumCreating a rescue medium Reinstalling preinstalled applications and device drivers Reinstalling preinstalled applicationsReinstalling preinstalled device drivers Reinstalling software programs Reinstalling device driversSolving recovery problems Recovery information ThinkCentre User Guide Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Hard Disk Password Password considerationsPower-On Password Administrator Password Enabling or disabling a device Erasing lost or forgotten passwords clearing Cmos Selecting or changing the startup device sequence Enabling ErP compliance modeSelecting a startup device Selecting a temporary startup device Exiting the Setup Utility program ThinkCentre User Guide Using system programs Updating flashing the Bios from a discUpdating system programs Updating flashing the Bios from your operating system Recovering from a POST/BIOS update failureClick Downloads and drivers Updating your operating system Preventing problemsKeeping your computer current Getting the latest device drivers for your computer Basics Using System Update Optical mouse Cleaning your computerComputer Keyboard Good maintenance practices Cleaning a glass-screen surfaceMoving your computer Basic troubleshooting Troubleshooting and diagnostics Troubleshooting Troubleshooting procedure No audio in Windows Audio problems CD problems Sound comes from one external speaker onlyNo audio in DOS applications or games DVD problems CD or DVD does not workBlack screen instead of DVD video Invalid disc or no disc found message DVD movie will not playNo audio or intermittent audio while playing DVD movie Playback is very slow or choppy Intermittent problems Keyboard, mouse, or pointing device problemsAll or some keys on the keyboard do not work Pointer on the screen does not move smoothly with the mouse Monitor problemsWireless keyboard does not work Mouse or pointing device does not work Image appears to be flickering Wrong characters appear on the screen Networking problems Ethernet problemsImage is discolored Adapter stops working for no apparent reason Wake on LAN feature is not workingYour computer cannot connect to the network Click Start Control Panel Click Hardware and Sound Wireless LAN problem Wireless WAN problemBluetooth problems An option that previously worked does not work now Option problemsAn option that was just installed does not work Sound does not come from the Bluetooth headphone Click Start Computer Performance and lockup problemsClick Disk Cleanup Insufficient free hard disk drive space Printer problems Excessive number of fragmented filesInsufficient memory Serial port problems Software problemsSoftware does not work as expected Diagnostic programs USB problems Lenovo ThinkVantage Toolbox Lenovo Solution Center Creating a diagnostic disc Running the diagnostic program from a diagnostic discPC-Doctor for DOS ThinkCentre User Guide Getting information, help, and service Lenovo Support Web site Help and serviceUsing the documentation and diagnostic program Calling for service Purchasing additional services Using other services ThinkCentre User Guide 107 Appendix A. Notices Trademarks Electronic emissions notices Appendix B. Regulatory informationExport classification notice Television output notice Industry Canada Class B emission compliance statement Additional regulatory information ThinkCentre User Guide 113 Appendix C. Weee and recycling informationImportant Weee Information Recycling information Recycling information for Brazil Battery recycling information for Taiwan Battery recycling information for the European Union ThinkCentre User Guide China RoHS Turkish RoHS Ukraine RoHS117 India RoHS 119 Index Memory module 121 ThinkCentre User Guide Page 1P0B07068