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Lenovo 3496, 3493DFU manual Front connector, control, and indicator locations

Models: 3493 3496 3493DFU

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

Figure 1 “Front connector, control, and indicator locations” on page 9 shows the locations of the connectors, controls, and indicators on the front of your computer.

Figure 1. Front connector, control, and indicator locations

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2

3

4

Optical drive eject/close button Power switch

Hard disk drive activity indicator Power indicator

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6

7

8

USB connector (USB port 2)

Microphone connector

Headphone connector

USB connector (USB port 1)

Chapter 1. Product overview 9

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Lenovo 3496, 3493DFU manual Front connector, control, and indicator locations

Contents

ThinkCentre User Guide Third Edition September Copyright Lenovo Contents Appendix A. Notices 115 Index Iv ThinkCentre User Guide Important safety information Service and upgradesStatic electricity prevention Extension cords and related devices Power cords and power adaptersPlugs and outlets External devicesHeat and product ventilation Operating environment Modem safety informationPower supply statement Cleaning and maintenanceLaser compliance statement ThinkCentre User Guide Product overview FeaturesConnectivity System management featuresPower supply Input/Output I/O featuresSecurity features Preinstalled software programsWeight SpecificationsAccessing Lenovo programs on the Windows 7 operating system Accessing Lenovo programs from Control PanelLenovo programs Accessing Lenovo programs on the Windows 8 operating system An introduction to Lenovo programsCommunications Utility Lenovo Solution Center Lenovo SettingsPassword Manager Power ManagerSystem Update Rescue and RecoveryLocations SimpleTapFront connector, control, and indicator locations Connector Description Locating connectors on the rear of your computerComponent locations Locating componentsSystem board part locations Locating parts on the system boardDrive bay locations Locating internal drivesMachine type and model label Machine type and model labelFrequently asked questions Using your computerAccessing Control Panel on the Windows 8 operating system Where can I find help about the Windows operating system?Using Windows shortcut keys Using the keyboardUsing the blue ThinkVantage button Using a fingerprint readerAdjusting audio Using the wheel mouseSetting the volume from the desktop Adding the volume icon to the taskbarUsing CDs and DVDs Setting the volume from Control PanelSound section, click Adjust system volume Handling and storing CD and DVD mediaRecording a CD or DVD Playing a CD or DVDThinkCentre User Guide You and your computer Accessibility and comfortArranging your workspace ComfortGlare 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 featuresLocking the computer cover Installing a padlockUsing passwords Bios passwordsAttaching an integrated cable lock Configuring the fingerprint reader Windows passwordsUsing and understanding firewalls Protecting data against virusesSecurity ThinkCentre User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Handling static-sensitive devicesRemoving the computer cover Removing and reinstalling the front bezelRemoving the front bezel What to do nextPivoting the drive bay assembly upward Accessing the system board components and drivesLowering the drive bay assembly Installing or replacing a PCI cardRemoving a PCI card Removing a memory module Installing or replacing a memory moduleOpening the retaining clips Replacing the batteryInstall a new battery Replacing the hard disk drive Pivoting the drive bay assemblyRemoving the hard disk drive Replacing the optical drive Installing the hard disk driveSlide the optical drive out of the front of the computer Installing a new optical drive Installing the optical drive Replacing the power supply assemblyThinkCentre User Guide Removing the heat sink fan duct Installing the power supply assembly Installing the heat sink fan duct Replacing the heat sink and fan assemblyRemoving the heat sink fan duct Removing the heat sink and fan assembly What to do next Replacing the microprocessorAccessing the microprocessor Installing the microprocessor Removing the system fan assembly Replacing the system fan assemblyInstalling the system fan assembly Replacing the front audio and USB assemblyRemoving the front audio and USB assembly Replacing the WiFi unitsRemoving the WiFi card module Removing the WiFi adapter cardRemoving the WiFi antenna cables Removing the WiFi card module Installing the WiFi unitsInstalling the WiFi card module Installing the rear WiFi antenna Installing or removing the rear WiFi antennaInstalling the rear WiFi antenna Removing the rear WiFi antennaInstalling the front WiFi antenna Installing or removing the front WiFi antennaInstalling the front WiFi antenna Removing the front WiFi antennaReplacing the keyboard or mouse Removing the front WiFi antennaReinstalling the computer cover Completing the parts replacementObtaining device drivers Recovery information Recovery information for the Windows 7 operating systemCreating and using recovery media Creating recovery media Performing backup and recovery operationsUsing recovery media Performing a backup operationUsing 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 systemThinkCentre User Guide Using the Setup Utility program Starting the Setup Utility programViewing and changing settings Power-On Password Password considerationsAdministrator Password Hard Disk PasswordEnabling or disabling a device Erasing lost or forgotten passwords clearing CmosSelecting a startup device Enabling ErP compliance modeSelecting a temporary startup device Selecting or changing the startup device sequenceExiting 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 Keeping your computer current Preventing problemsGetting the latest device drivers for your computer Updating your operating systemBasics Using System UpdateComputer Cleaning your computerKeyboard Optical mouseGood maintenance practices Cleaning a glass-screen surfaceMoving your computer Preventing problems ThinkCentre User Guide Basic troubleshooting Troubleshooting and diagnosticsTroubleshooting Troubleshooting procedureNo audio in Windows Audio problemsCD 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 No audio or intermittent audio while playing DVD movie DVD movie will not playPlayback is very slow or choppy Invalid disc or no disc found messageIntermittent problems Keyboard, mouse, or pointing device problemsAll or some keys on the keyboard do not work Mouse or pointing device does not work Wireless keyboard does not workPointer on the screen does not move smoothly with the mouse Fingerprint reader does not workWrong characters appear on the screen Monitor problemsImage is discolored Image appears to be flickeringEthernet problems Networking problemsYour computer cannot connect to the network Click Start Control Panel Click Hardware and SoundWireless LAN problem Wake on LAN feature is not workingAdapter stops working for no apparent reason Wireless WAN problem Option problemsBluetooth problem An option that was just installed does not workClick Disk Cleanup Performance and lockup problemsAn option that previously worked does not work now Insufficient free hard disk drive spaceInsufficient memory Excessive number of fragmented filesSerial port problems Printer problemsSoftware does not work as expected Software problemsUSB problems Diagnostic programsLenovo Solution Center Running the diagnostic program from a diagnostic disc Creating a diagnostic discLenovo ThinkVantage Toolbox PC-Doctor for DOSThinkCentre User Guide Getting information, help, and service Using the documentation and diagnostic programs Help and serviceCalling for service Lenovo Support Web sitePurchasing additional services Using other servicesThinkCentre User Guide 115 Appendix A. NoticesTrademarks Export classification notice Appendix B. Regulatory informationTelevision output notice Electronic emissions noticesIndustry Canada Class B emission compliance statement Additional regulatory information ThinkCentre User Guide Important Weee information Appendix C. Weee and recycling informationRecycling information 121Recycling information for Brazil Battery recycling information for TaiwanBattery recycling information for the European Union ThinkCentre User Guide China RoHS Turkish RoHS Ukraine RoHS125 India RoHS 127 IndexPCI card 129 ThinkCentre User Guide