Lenovo 804 manual ThinkCentre User Guide

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5.Move the jumper from the standard position (pin 1 and pin 2) to the maintenance position (pin 2 and pin 3).

6.Reinstall any parts and reconnect any cables that have been removed or disconnected.

7.Reinstall the computer cover and reconnect the power cords for the computer and monitor. See “Completing the parts replacement” on page 40.

8.Turn on the computer and leave it on for approximately 10 seconds. Then, turn off the computer by holding the power switch for approximately five seconds.

9.Repeat step 1 through step 4.

10.Move the Clear CMOS /Recovery jumper back to the standard position (pin 1 and pin 2).

11.Reinstall any parts and reconnect any cables that have been removed or disconnected.

12.Reinstall the computer cover and reconnect all cables. See “Completing the parts replacement” on page 40.

13.Turn on the computer. Your password has been erased and you can use the Setup Utility program to set a new password. See Chapter 4 “Using the Setup Utility program” on page 51 for more information.

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Contents ThinkCentre User Guide Second Edition September Copyright Lenovo 2010 Contents Index Important safety information Iv ThinkCentre User Guide Features Product overviewSecurity features System management featuresInput/Output I/O features ConnectivityPreinstalled operating system SpecificationsPreinstalled software programs Lenovo ThinkVantage Tools Software overviewSoftware provided with your Windows operating system ThinkVantage Productivity CenterPassword Manager Product RecoveryThinkVantage Rescue and Recovery ThinkVantage Client Security SolutionLocations Adobe ReaderLocating connectors and parts on the rear of your computer ConnectorLocating components Locating parts on the system boardLocating internal drives System board part locationsDrive bay locations Installing external options Installing or replacing hardwareInstalling or replacing hardware Handling static-sensitive devicesRemoving the computer cover Removing the computer coverRemoving and reinstalling the front bezel Removing the front bezelAccessing the system board components and drives Reinstalling the front bezelInstalling or replacing a PCI card Pivoting the drive bay assembly upwardThinkCentre User Guide Removing the PCI card Installing or replacing a memory module What to do nextRemoving the memory module Replacing the battery Installing the memory moduleReplacing the heat sink and fan assembly Removing the old batteryRemoving the heat sink fan duct Screws that secure the heat sink and fan assembly Installing the heat sink fan duct Replacing the microprocessorAccessing the microprocessor Removing the microprocessor Replacing the power supply assembly Removing the heat sink fan duct Removing the power supply assembly Installing the power supply assembly Replacing the optical drive Removing the optical drive screws Slide the optical drive out of the front of the computer Installing the optical drive Replacing the hard disk drivePivoting the drive bay assembly Removing the hard disk drive Replacing the front fan assembly Installing the hard disk driveRemoving the front fan assembly Installing the front fan assembly Replacing the USB keyboard or mouseCompleting the parts replacement Connecting the USB keyboard or mouseBasic security features Obtaining device driversInstalling an integrated cable lock Integrated cable lockPadlock Password protectionErasing a lost or forgotten password clearing Cmos ThinkCentre User Guide Creating recovery media Recovery informationCreating and using recovery media On the Rescue and Recovery menu, click Restore your system Using recovery mediaPerforming backup and recovery operations Click the Restore your system from a backup icon Performing a backup operationPerforming a recovery operation Using the Rescue and Recovery workspace Creating and using a rescue mediumUsing a rescue medium Creating a rescue mediumInstalling or reinstalling device drivers Solving recovery problemsViewing or changing settings Using the Setup Utility programStarting the Setup Utility program Using passwordsAdministrator password Password considerationsPower-on password Setting, changing, or deleting a passwordViewing or changing the startup device sequence Selecting a startup deviceSelecting a temporary startup device Exiting the Setup Utility program Updating system programs Using system programsUpdating flashing the Bios from a disc Click Downloads and drivers Updating flashing the Bios from your operating systemRecovering from a Post and Bios update failure Updating system programs ThinkCentre User Guide Troubleshooting and diagnostic programs Basic troubleshootingLenovo ThinkVantage Toolbox Diagnostic programsPC-Doctor for Rescue and Recovery Cleaning an optical mouse PC-Doctor for DOSThinkCentre User Guide Online Books folder Getting information, help, and serviceInformation resources Lenovo ThinkVantage ToolsThinkVantage Productivity Center Access HelpSafety and warranty Lenovo WelcomeLenovo Support Web site Help and serviceUsing the documentation and diagnostic programs Calling for service Using other servicesPurchasing additional services ThinkCentre User Guide Appendix A. Notices Television output notice European conformance CE mark TrademarksAppendix A. Notices ThinkCentre User Guide Index CRUKeyboard, replacing Lenovo Customer Support Center Set Power-On Password ThinkCentre User Guide Page 71Y8530