Input/Output I/O features, Expansion, Power supply | Lenovo 3484JMU

Input/Output (I/O) features

•One Ethernet connector

•One DVI monitor connector

•One optional 9-pin serial port

•One VGA monitor connector

•Six Universal Serial Bus (USB) connectors (two on the front panel and four on the rear panel)

•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, controls, and indicators on the front of your computer” on page 10 and “Locating connectors on the rear of your computer” on page 11.

Expansion

•One optical drive bay

•One slim card reader drive bay

•One PCI Express x16 graphics card slot

•Two hard disk drive bays (one standard and one optional)

•Two PCI Express x1 card slots

Power supply

Your computer comes with one of the following power supplies:

•180-watt power supply with a manual voltage-selection switch

•280-watt automatic voltage-sensing power supply

Security features

•Computrace Agent software embedded in firmware

•Ability to enable or disable a device

•Ability to enable and disable USB connectors individually

•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)

•Support for a padlock

For more information, see Chapter 4 “Security” on page 27.

Preinstalled software programs

Your computer is preinstalled with software programs to help you work more easily and securely. For more information, see “Lenovo programs” on page 5.

Preinstalled operating system

Your computer is preinstalled with one of the following operating systems:

Chapter 1. Product overview 3

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Lenovo 3484JMU manual Input/Output I/O features, Expansion, Power supply, Security features, Preinstalled software programs

Contents

ThinkCentre User Guide Third Edition September Copyright Lenovo Contents Appendix A. Notices 111 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 Connectivity System management features Preinstalled software programs Input/Output I/O featuresPower supply Security features Linux Microsoft Windows XP Professional SP Specifications Accessing Lenovo programs on the Windows 7 operating systemLenovo 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 System Update LocationsView 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 Glare and lighting Air circulationElectrical outlets and cable lengths Voltage-selection switch Registering your computerMoving your computer to another country or region Replacement power cords 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 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 or removing the rear WiFi antenna Installing 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 Recovery information for the Windows 7 operating systemCreating and using recovery media Performing a backup operation Performing backup and recovery operationsCreating recovery media Using recovery media Using the Rescue and Recovery workspace Performing a recovery operationClick 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 Refreshing your computer Recovery information for the Windows 8 operating system 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 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 Good maintenance practices Cleaning a glass-screen surfaceMoving your computer Preventing problems ThinkCentre User Guide 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 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 Wireless LAN problem Wake on LAN feature is not workingAdapter 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 USB problems Diagnostic programsLenovo 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 China RoHS Turkish RoHS Ukraine RoHS121 India RoHS 123 Index Keyboard, replacing Lenovo Solution Center 104 125 ThinkCentre User Guide