125 | Lenovo 3484JMU specification

system board connectors 13 locating parts 13 locations 13 memory module 39

T

temporary startup device 76
the BIOS, updating (flashing)	79–80
trademarks 112
troubleshooting, basic 87
troubleshooting, diagnostics	87

U

updating

(flashing) the BIOS 79 system programs 79

updating (flashing) the BIOS 80 USB connector 12

using

a rescue medium, creating and 68 diagnostic programs 108 documentation 108

other services 109 passwords 73 Setup Utility 73

V

VGA monitor connector 12 video subsystem 1

viewing and changing settings 73

W

warranty information 107

WiFi units, WiFi adapter card, WiFi card module, WiFi antenna cable, replacing 54

workspace, backup and recovery 67

© Copyright Lenovo 2012

125

Image 137

Lenovo 3484JMU manual 125

Contents

ThinkCentre User Guide Third Edition September Copyright Lenovo Contents Appendix A. Notices 111 Index Iv ThinkCentre User Guide Static electricity prevention Important safety informationService and upgrades Extension cords and related devices Power cords and power adapters Heat and product ventilation Plugs and outletsExternal devices Operating environment Modem safety information Laser compliance statement Power supply statementCleaning and maintenance ThinkCentre User Guide Product overview Features Connectivity System management features Power supply Input/Output I/O featuresSecurity features Preinstalled software programs Linux Microsoft Windows XP Professional SP Lenovo programs SpecificationsAccessing Lenovo programs on the Windows 7 operating system Program Icon name Accessing Lenovo programs from Control Panel An introduction to Lenovo programs Accessing Lenovo programs on the Windows 8 operating systemCommunications Utility Fingerprint Software Lenovo Solution Center Lenovo SettingsPassword Manager Power Manager View Management Utility System UpdateLocations 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 Frequently 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 reader Adjusting audio Using the wheel mouseSetting the volume from the desktop Adding the volume icon to the taskbar Using CDs and DVDs Setting the volume from Control PanelSound section, click Adjust system volume Handling and storing CD and DVD media Recording a CD or DVD Playing a CD or DVD ThinkCentre User Guide You and your computer Accessibility and comfortArranging your workspace Comfort Electrical outlets and cable lengths Glare and lightingAir circulation Moving your computer to another country or region Voltage-selection switchRegistering your computer Replacement power cords Security Security features Locking the computer cover Installing a padlock Attaching an integrated cable lock Using passwordsBios passwords Configuring the fingerprint reader Windows passwordsUsing and understanding firewalls Protecting data against viruses Security ThinkCentre User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Handling static-sensitive devices 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 Removing the rear WiFi antenna Installing or removing the rear WiFi antennaInstalling 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 Creating and using recovery media Recovery informationRecovery information for the Windows 7 operating system Creating recovery media Performing backup and recovery operationsUsing recovery media Performing a backup operation Click the Restore your system from a backup icon Using the Rescue and Recovery workspacePerforming a recovery operation Creating a rescue medium Creating and using a rescue mediumUsing a rescue medium Reinstalling preinstalled device drivers Reinstalling preinstalled applications and device driversReinstalling preinstalled applications Solving recovery problems Reinstalling software programsReinstalling device drivers Refreshing your computer Recovery information for the Windows 8 operating system ThinkCentre User Guide Viewing and changing settings Using the Setup Utility programStarting the Setup Utility program Power-On Password Password considerationsAdministrator Password Hard Disk Password Enabling or disabling a device Erasing lost or forgotten passwords clearing Cmos Selecting a startup device Enabling ErP compliance modeSelecting a temporary startup device Selecting or changing the startup device sequence Exiting the Setup Utility program ThinkCentre User Guide Updating system programs Using system programsUpdating flashing the Bios from a disc Click Download Drivers & Software Click Use Quick Path Updating flashing the Bios from your operating systemRecovering from a POST/BIOS update failure Keeping your computer current Preventing problemsGetting the latest device drivers for your computer Updating your operating system Basics Using System Update Computer Cleaning your computerKeyboard Optical mouse Moving your computer Good maintenance practicesCleaning a glass-screen surface Preventing problems ThinkCentre User Guide Basic troubleshooting Troubleshooting and diagnostics Troubleshooting Troubleshooting procedure No audio in Windows Audio problems No audio in DOS applications or games CD problemsSound comes from one external speaker only Black screen instead of DVD video DVD problemsCD or DVD does not work 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 message All or some keys on the keyboard do not work Intermittent problemsKeyboard, mouse, or pointing device problems 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 work Wrong characters appear on the screen Monitor problems Image is discolored Image appears to be flickering Ethernet problems Networking problemsYour computer cannot connect to the network Click Start Control Panel Click Hardware and Sound Adapter stops working for no apparent reason Wireless LAN problemWake on LAN feature is not working Wireless WAN problem Option problemsBluetooth problem An option that was just installed does not work Click Disk Cleanup Performance and lockup problemsAn option that previously worked does not work now Insufficient free hard disk drive space Insufficient memory Excessive number of fragmented files Serial port problems Printer problems Software does not work as expected Software problems Lenovo Solution Center USB problemsDiagnostic programs Running the diagnostic program from a diagnostic disc Creating a diagnostic discLenovo ThinkVantage Toolbox PC-Doctor for DOS ThinkCentre User Guide Getting information, help, and service Using the documentation and diagnostic programs Help and serviceCalling for service Lenovo Support Web site Purchasing additional services Using other services ThinkCentre User Guide 111 Appendix A. Notices Trademarks Export classification notice Appendix B. Regulatory informationTelevision output notice Electronic emissions notices Industry Canada Class B emission compliance statement Additional regulatory information ThinkCentre User Guide Important Weee information Appendix C. Weee and recycling informationRecycling information 117 Recycling information for Brazil Battery recycling information for Taiwan Battery recycling information for the European Union ThinkCentre User Guide 121 China RoHS Turkish RoHSUkraine RoHS India RoHS 123 Index Keyboard, replacing Lenovo Solution Center 104 125 ThinkCentre User Guide