Locating parts on the system board | Lenovo 3484JMU manual

Locating parts on the system board

Figure 4 “System board part locations” on page 13 shows the locations of the parts on the system board.

Figure 4. System board part locations

14-pin power connector

2Microprocessor

3Microprocessor fan connector

4Memory slot 1 (DIMM1)

5Memory slot 2 (DIMM2)

6Thermal sensor connector

724-pin power connector

8Power fan connector

9SATA connectors (3)

10Front panel connector (for connecting LED indicators and the power switch)

11Front USB connector 1 (for connecting USB ports 1 and 2 on the front bezel)

12Clear CMOS (Complementary Metal Oxide Semiconductor) /Recovery jumper

13Front USB connector 2 (for connecting an additional USB device)

14Front USB connector 3 (for connecting an additional USB device)

15Battery

16Serial (COM2) connector

17Front audio connector

18Internal speaker connector

19PCI Express x1 card slots (2)

20PCI Express x16 graphics card slot

21System fan connector

Chapter 1. Product overview 13

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Lenovo 3484JMU manual Locating parts on the system board, System board part 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 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 Power supply Input/Output I/O featuresSecurity features Preinstalled software programs 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 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 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 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 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 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 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 Creating recovery media Performing backup and recovery operationsUsing 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 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 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 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 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 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 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 Keyboard, mouse, or pointing device problems Intermittent 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 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 Wake on LAN feature is not working Wireless LAN problemAdapter stops working for no apparent reason 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 Diagnostic programs USB problemsLenovo Solution Center 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 Ukraine RoHS China RoHS Turkish RoHS121 India RoHS 123 Index Keyboard, replacing Lenovo Solution Center 104 125 ThinkCentre User Guide