Front connector, control, and indicator locations | Lenovo 3484JMU

Locating connectors, controls, and indicators on the front of your computer

Figure 1 “Front connector, control, and indicator locations” on page 10 shows the locations of the connectors, controls, and indicators on the front of your computer.

Figure 1. Front connector, control, and indicator locations

1

2

3

4

Hard disk drive activity indicator Power indicator

Power switch

Optical drive eject/close button

5

6

7

8

USB connector (USB port 1)

Headphone connector

Microphone connector

USB connector (USB port 2)

10ThinkCentre User Guide

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Lenovo 3484JMU manual Front connector, control, and indicator locations

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 Power cords and power adapters Extension cords and related devices External devices Plugs and outletsHeat and product ventilation Modem safety information Operating environment Cleaning and maintenance Power supply statementLaser compliance statement ThinkCentre User Guide Features Product overview System management features Connectivity Security features Input/Output I/O featuresPower supply Preinstalled software programs Linux Microsoft Windows XP Professional SP Accessing Lenovo programs on the Windows 7 operating system SpecificationsLenovo programs Accessing Lenovo programs from Control Panel Program Icon name Communications Utility Accessing Lenovo programs on the Windows 8 operating systemAn introduction to Lenovo programs Fingerprint Software Password Manager Lenovo SettingsLenovo Solution Center Power Manager Locations System UpdateView Management Utility Front connector, control, and indicator locations Locating connectors on the rear of your computer Connector Description Locating components Component locations Locating parts on the system board System board part locations Locating internal drives Drive bay locations Machine type and model label Machine type and model label ThinkCentre User Guide Accessing Control Panel on the Windows 8 operating system Using your computerFrequently asked questions Where can I find help about the Windows operating system? Using the blue ThinkVantage button Using the keyboardUsing Windows shortcut keys Using a fingerprint reader Setting the volume from the desktop Using the wheel mouseAdjusting audio Adding the volume icon to the taskbar Sound section, click Adjust system volume Setting the volume from Control PanelUsing CDs and DVDs Handling and storing CD and DVD media Playing a CD or DVD Recording a CD or DVD ThinkCentre User Guide Arranging your workspace Accessibility and comfortYou and your computer Comfort 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 features Security Installing a padlock Locking the computer cover Bios passwords Using passwordsAttaching an integrated cable lock Using and understanding firewalls Windows passwordsConfiguring the fingerprint reader Protecting data against viruses Security ThinkCentre User Guide Installing external options Installing or replacing hardwareInstalling or replacing hardware Handling static-sensitive devices Removing the computer cover Removing the computer cover Removing and reinstalling the front bezel Removing the front bezel Installing or replacing a PCI card What to do next Removing the screw that secures the PCI card latch Removing a PCI card Installing or replacing a memory module Installing a PCI card Removing a memory module Replacing the battery Installing a memory module Removing the old battery Replacing the primary hard disk drive Removing the primary hard disk drive Installing the hard disk drive Replacing the optical drive Removing the optical drive Installing the optical drive Replacing the power supply assembly Replacing the heat sink and fan assembly Removing the screws for the power supply assembly Removing the heat sink and fan assembly Replacing the microprocessor Accessing the microprocessor Installing the microprocessor Replacing the front audio and USB assembly Removing the front audio and USB assembly Replacing the WiFi units Removing the WiFi adapter card Removing the WiFi card module Removing the WiFi adapter card Installing the WiFi units Removing the screws that secure the WiFi card module 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 or removing the front WiFi antenna Installing the front WiFi antenna Connect the front antenna cable to the WiFi card module Removing the front WiFi antenna Replacing the keyboard or mouse Completing the parts replacement Connecting the USB keyboard or mouse Reinstalling the computer cover Obtaining device drivers Recovery information for the Windows 7 operating system Recovery informationCreating and using recovery media Using recovery media Performing backup and recovery operationsCreating recovery media Performing a backup operation 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 Recovery information for the Windows 8 operating system Refreshing your computer ThinkCentre User Guide Starting the Setup Utility program Using the Setup Utility programViewing and changing settings Administrator Password Password considerationsPower-On Password Hard Disk Password Erasing lost or forgotten passwords clearing Cmos Enabling or disabling a device Selecting a temporary startup device Enabling ErP compliance modeSelecting a startup device Selecting or changing the startup device sequence 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 Getting the latest device drivers for your computer Preventing problemsKeeping your computer current Updating your operating system Using System Update Basics Keyboard Cleaning your computerComputer Optical mouse Cleaning a glass-screen surface Good maintenance practicesMoving your computer Preventing problems ThinkCentre User Guide Troubleshooting and diagnostics Basic troubleshooting Troubleshooting procedure Troubleshooting Audio problems No audio in Windows 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 Playback is very slow or choppy DVD movie will not playNo audio or intermittent audio while playing DVD movie Invalid disc or no disc found message Keyboard, mouse, or pointing device problems Intermittent problemsAll or some keys on the keyboard do not work Pointer on the screen does not move smoothly with the mouse Wireless keyboard does not workMouse or pointing device does not work Fingerprint reader does not work Monitor problems Wrong characters appear on the screen Image appears to be flickering Image is discolored Your computer cannot connect to the network Networking problemsEthernet problems Click Start Control Panel Click Hardware and Sound Wake on LAN feature is not working Wireless LAN problemAdapter stops working for no apparent reason Bluetooth problem Option problemsWireless WAN problem An option that was just installed does not work An option that previously worked does not work now Performance and lockup problemsClick Disk Cleanup Insufficient free hard disk drive space Excessive number of fragmented files Insufficient memory Printer problems Serial port problems Software problems Software does not work as expected Diagnostic programs USB problemsLenovo Solution Center Lenovo ThinkVantage Toolbox Creating a diagnostic discRunning the diagnostic program from a diagnostic disc PC-Doctor for DOS ThinkCentre User Guide Getting information, help, and service Calling for service Help and serviceUsing the documentation and diagnostic programs Lenovo Support Web site Using other services Purchasing additional services ThinkCentre User Guide Appendix A. Notices 111 Trademarks Television output notice Appendix B. Regulatory informationExport classification notice Electronic emissions notices Industry Canada Class B emission compliance statement Additional regulatory information ThinkCentre User Guide Recycling information Appendix C. Weee and recycling informationImportant Weee information 117 Battery recycling information for Taiwan Recycling information for Brazil Battery recycling information for the European Union ThinkCentre User Guide Ukraine RoHS China RoHS Turkish RoHS121 India RoHS Index 123 Keyboard, replacing Lenovo Solution Center 104 125 ThinkCentre User Guide