Security | Lenovo 3484JMU specs

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

Chapter 4. Security 31

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Lenovo 3484JMU manual Security

Contents

ThinkCentre User Guide Third Edition September Copyright Lenovo Contents Appendix A. Notices 111 Index Iv ThinkCentre User Guide Service and upgrades Important safety informationStatic electricity prevention Extension cords and related devices Power cords and power adapters External devices Plugs and outletsHeat and product ventilation Operating environment Modem safety information Cleaning and maintenance Power supply statementLaser compliance statement ThinkCentre User Guide Product overview Features Connectivity System management features Preinstalled software programs Input/Output I/O featuresPower supply Security features Linux Microsoft Windows XP Professional SP Accessing Lenovo programs on the Windows 7 operating system SpecificationsLenovo programs Program Icon name Accessing Lenovo programs from Control Panel Fingerprint Software Accessing Lenovo programs on the Windows 8 operating systemAn introduction to Lenovo programs Communications Utility Power Manager Lenovo SettingsLenovo Solution Center Password Manager Locations System UpdateView Management Utility Front connector, control, and indicator locations Connector Description Locating connectors on the rear of your computer 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 ThinkCentre User Guide Where can I find help about the Windows operating system? Using your computerFrequently asked questions Accessing Control Panel on the Windows 8 operating system Using a fingerprint reader Using the keyboardUsing Windows shortcut keys Using the blue ThinkVantage button Adding the volume icon to the taskbar Using the wheel mouseAdjusting audio Setting the volume from the desktop Handling and storing CD and DVD media Setting the volume from Control PanelUsing CDs and DVDs Sound section, click Adjust system volume Recording a CD or DVD Playing a CD or DVD ThinkCentre User Guide Comfort Accessibility and comfortYou and your computer Arranging your workspace Air circulation Glare and lightingElectrical outlets and cable lengths Registering your computer Voltage-selection switchMoving your computer to another country or region Replacement power cords Security Security features Locking the computer cover Installing a padlock Bios passwords Using 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 the front bezel Removing and reinstalling the front bezel What to do next Installing or replacing a PCI card Removing the screw that secures 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 Replacing the battery Replacing the primary hard disk drive Removing the old battery Removing the primary hard disk drive Replacing the optical drive Installing the hard disk drive Removing the optical drive Installing the optical drive 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 Accessing the microprocessor Installing the microprocessor Removing the front audio and USB assembly Replacing the front audio and USB assembly Removing the WiFi adapter card Replacing the WiFi units Removing the WiFi adapter card Removing the WiFi card module Removing the screws that secure the WiFi card module Installing the WiFi units Installing the WiFi card module Installing the WiFi antenna cables Installing the rear WiFi antenna Installing or removing the rear WiFi antennaRemoving the rear WiFi antenna Installing the front WiFi antenna Installing or removing the front WiFi antenna Connect the front antenna cable to the WiFi card module Replacing the keyboard or mouse Removing the front WiFi antenna Connecting the USB keyboard or mouse Completing the parts replacement Obtaining device drivers Reinstalling the computer cover Recovery information for the Windows 7 operating system Recovery informationCreating and using recovery media Performing a backup operation Performing backup and recovery operationsCreating recovery media Using recovery media Performing a recovery operation Using the Rescue and Recovery workspaceClick the Restore your system from a backup icon Using a rescue medium Creating and using a rescue mediumCreating a rescue medium Reinstalling preinstalled applications Reinstalling preinstalled applications and device driversReinstalling preinstalled device drivers Reinstalling device drivers Reinstalling software programsSolving recovery problems Refreshing your computer Recovery information for the Windows 8 operating system ThinkCentre User Guide Starting the Setup Utility program Using 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 Updating flashing the Bios from a disc Using system programsUpdating system programs Recovering from a POST/BIOS update failure Updating flashing the Bios from your operating systemClick Download Drivers & Software Click Use Quick Path 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 Cleaning a glass-screen surface Good maintenance practicesMoving your computer Preventing problems ThinkCentre User Guide Basic troubleshooting Troubleshooting and diagnostics Troubleshooting Troubleshooting procedure No audio in Windows Audio problems Sound comes from one external speaker only CD problemsNo audio in DOS applications or games CD or DVD does not work DVD problemsBlack 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 Keyboard, mouse, or pointing device problems Intermittent problemsAll or some keys on the keyboard do not work Fingerprint reader does not work Wireless keyboard does not workMouse or pointing device does not work Pointer on the screen does not move smoothly with the mouse Wrong characters appear on the screen Monitor problems Image is discolored Image appears to be flickering Click Start Control Panel Click Hardware and Sound Networking problemsEthernet problems Your computer cannot connect to the network Wake on LAN feature is not working Wireless LAN problemAdapter stops working for no apparent reason An option that was just installed does not work Option problemsWireless WAN problem Bluetooth problem Insufficient free hard disk drive space Performance and lockup problemsClick Disk Cleanup An option that previously worked does not work now Insufficient memory Excessive number of fragmented files Serial port problems Printer problems Software does not work as expected Software problems Diagnostic programs USB problemsLenovo Solution Center PC-Doctor for DOS Creating a diagnostic discRunning the diagnostic program from a diagnostic disc Lenovo ThinkVantage Toolbox ThinkCentre User Guide Getting information, help, and service Lenovo Support Web site Help and serviceUsing the documentation and diagnostic programs Calling for service Purchasing additional services Using other services ThinkCentre User Guide 111 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 117 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 Ukraine RoHS China RoHS Turkish RoHS121 India RoHS 123 Index Keyboard, replacing Lenovo Solution Center 104 125 ThinkCentre User Guide