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Lenovo 1995, 1993, 1986 Locating connectors on the rear of your computer, Rear connector locations

Models: 1992 1990 1983 1982 1994 1987 1985 1986 1995 1993

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Locating connectors on the rear of your computer

Figure 2 “Rear connector locations” on page 9 shows the locations of the connectors on the rear of your computer. Some connectors on the rear of your computer are color-coded to help you determine where to connect the cables on your computer.

5	6	7	8
3	4

Figure 2. Rear connector locations

1Voltage-selection switch (some models)

2Power cord connector

3Serial port (Serial port 1)

4PS/2 keyboard and mouse connectors (optional)

5VGA monitor connector

6DisplayPort connector

7USB connectors (USB ports 3 to 8)

8Ethernet connector

9Microphone connector

10Audio line-out connector

11Audio line-in connector

12PCI Express x16 graphics card slot

13PCI Express x1 card slots (2)

14PCI card slot

15Optional serial port (Serial port 2)

16Padlock loop

17Integrated cable lock (Kensington lock) slot

Chapter 1. Product overview 9

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Lenovo 1995, 1993, 1986, 1985, 1987, 1994, 1982, 1983 Locating connectors on the rear of your computer, Rear connector locations

Contents

ThinkCentre User Guide Third Edition June Copyright Lenovo 2011 Contents Appendix A. Notices 107 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 System management features Input/Output I/O featuresConnectivity Security features Power supplyPreinstalled software programs Preinstalled operating system Specifications Software overviewSoftware provided by Lenovo Lenovo ThinkVantage Tools Lenovo Solution CenterLenovo Welcome Fingerprint Software ThinkVantage Password Manager Product RecoveryThinkVantage Power Manager ThinkVantage Rescue and Recovery ThinkVantage System Update Adobe Reader Antivirus softwareLocations Front connector, control, and indicator locations Rear connector locations Locating connectors on the rear of your computer Connector Description 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 Frequently asked questions Using your computerUsing the keyboard Using Windows shortcut keys Using the wheel mouse Using a fingerprint readerAdjusting audio About your computer audio Setting the volume from Control Panel Setting the volume from the desktopUsing CDs and DVDs Adding the volume icon to the taskbar Recording a CD or DVD Playing a CD or DVD You and your computer Accessibility and comfortArranging your workspace Comfort Glare and lighting Air circulationElectrical outlets and cable lengths Replacement power cords Voltage-selection switchRegister your computer with Lenovo Moving your computer to another country or region ThinkCentre User Guide Security Security features Locking the computer cover Installing a padlock Using passwords Bios 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 and reinstalling the front bezel Installing or replacing a PCI cardWhat to do next Opening 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 Installing or replacing the optical drive Removing the optical drive Installing the optical drive Installing or replacing the card reader Removing the card reader retainer Installing the card reader Installing the card reader Removing the card reader Replacing the card reader Replacing the battery Install a new battery 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 Reinstalling the heat sink and fan assembly Accessing the microprocessor Replacing the primary hard disk drive Removing the primary hard disk drive Replacing the secondary hard disk drive Installing the primary hard disk drive Removing the secondary hard disk drive Installing the secondary hard disk drive Replacing the front fan assembly Removing the front fan assembly Replacing the rear fan Installing the front fan assembly Removing the rear fan Installing the rear fan Replacing the front audio and USB assembly Replacing the internal speaker Removing the old internal speaker Replacing the keyboard or mouse Installing a new internal speaker Connecting the USB keyboard or mouse Completing the parts replacement Obtaining device drivers Reinstalling the computer cover Recovery information Creating and using recovery mediaCreating recovery media Using recovery media Performing backup and recovery operationsPerforming a backup operation Performing a recovery operation Using the Rescue and Recovery workspaceClick 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 Recovery information ThinkCentre User Guide Using the Setup Utility program Starting 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 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 Downloads and drivers 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 Good maintenance practices Cleaning a glass-screen surfaceMoving your computer 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 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 Intermittent problems Keyboard, mouse, or pointing device problemsAll or some keys on the keyboard do not work Wireless keyboard does not work Monitor problemsMouse or pointing device does not work Pointer on the screen does not move smoothly with the mouse Image appears to be flickering Wrong characters appear on the screen Networking problems Ethernet problemsImage is discolored Your computer cannot connect to the network Wake on LAN feature is not workingClick Start Control Panel Click Hardware and Sound Adapter stops working for no apparent reason Wireless LAN problem Wireless WAN problemBluetooth problems An option that was just installed does not work Option problemsSound does not come from the Bluetooth headphone An option that previously worked does not work now Click Disk Cleanup Performance and lockup problemsInsufficient free hard disk drive space Click Start Computer Printer problems Excessive number of fragmented filesInsufficient memory Serial port problems Software problemsSoftware does not work as expected Diagnostic programs USB problems Lenovo ThinkVantage Toolbox Lenovo Solution Center Creating a diagnostic disc Running the diagnostic program from a diagnostic discPC-Doctor for DOS ThinkCentre User Guide Getting information, help, and service Using the documentation and diagnostic program Help and serviceCalling for service Lenovo Support Web site Purchasing additional services Using other services ThinkCentre User Guide 107 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 113 Recycling information for Brazil Battery recycling information for Taiwan Battery recycling information for the European Union ThinkCentre User Guide China RoHS Turkish RoHS Ukraine RoHS117 India RoHS 119 Index Memory module 121 ThinkCentre User Guide Page 1P0B07068