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Lenovo 7359, 6139, 7348, 8338, 8820, 7637, 7479, 7626 Connecting the AC power adapter, 28User Guide

Models: 9961 7187 6136 7345 7629 7359 7356 7626 7479 7637 8820 8338 7348 6139

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Figure 24. Connecting the AC power adapter

5.Connect the new AC power adapter cable to the power adapter connector on the chassis and the electrical outlet.

Figure 24. Connecting the AC power adapter

6.Go to “Completing the parts replacement” on page 30.

28User Guide

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Lenovo 7359, 6139, 7348, 8338, 8820, 7637, 7479, 7626, 7356, 7629, 7345, 6136, 7187 Connecting the AC power adapter, 28User Guide

Contents

Page Page ThinkCentre User Guide Second Edition May Copyright Lenovo 2009. All rights reservedContents ivUser Guide Important safety information viUser Guide Features Chapter 1. Product overviewNote: Use only computer parts provided by Lenovo System informationSystem management features Input/Output featuresVideo subsystem Audio subsystemPower Security featuresPreinstalled software Operating system, preinstalledSpecifications DimensionsWeight EnvironmentSoftware overview Software provided by LenovoLenovo System Toolbox Locating connectors on the front of your computer LocationsPC-Doctorfor Windows PE Adobe ReaderLocating connectors on the rear of your computer Figure 2. Rear connector locationsConnector DescriptionLocating components 5 Heat sink 6 Battery 7 Memory slotsFigure 3. Component locations 1 Optical drive 2 Front bezelLocating parts on the system board Installing options and replacing hardware Handling static-sensitivedevicesNote: Use only computer parts provided by Lenovo Installing external options Opening the computer coverInstalling or replacing a memory module Figure 7. Installing a memory module What to do nextFigure 6. Removing the memory module Replacing the hard disk drive Replacing the optical drive Figure 10. Removing the front bezel Figure 11. Removing the optical driveReplacing the battery Replacing the heat sink 4.Lift the failing heat sink off the system board NotesReplacing the microprocessor Notes Figure 18. Removing the microprocessor22User Guide Replacing the adapter card 9.Close the adapter card retainer Replacing the front audio and USB assembly Replacing the internal speakerTo replace the front audio and USB assembly Replacing the AC power adapter Figure 24. Connecting the AC power adapter 28User GuideReplacing the keyboard Replacing the mouseCompleting the parts replacement 3.Close the computer cover as shown Installing security features Obtaining device driversPassword protection Integrated cable lockWhat to do next Figure 29. Integrated cable lockErasing lost or forgotten passwords clearing CMOS Chapter 3. Recovery information Creating and using Product Recovery discsPerforming backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media NotesTo create rescue media, do the following Creating and using a Recovery Repair diskette To use rescue media, do one of the followingRecovering or installing device drivers Setting a rescue device in the startup sequence Solving recovery problems42User Guide Chapter 4. Using the Setup Utility Starting the Setup Utility programViewing and changing settings Using passwordsPassword considerations Power-OnPasswordPrivileged Access Password Hard Disk User PasswordEnabling or disabling a device Selecting a startup deviceSelecting a temporary startup device Advanced settings Exiting from the Setup Utility programSelecting or changing the startup device sequence 46User GuideUsing system programs Updating flashing BIOS from a discChapter 5. Updating system programs Updating flashing BIOS from your operating system Recovering from a POST/BIOS update failure→Continue → Downloads and drivers 13.Reconnect any cables that were disconnected 50User Guide Chapter 6. Troubleshooting and diagnostics Basic troubleshootingSymptom ActionThe keyboard does not work Diagnostic programs Lenovo System ToolboxPC-Doctorfor Windows PE Chapter 6. Troubleshooting and diagnosticsCleaning the mouse Creating a diagnostic CD/DVD imageRunning diagnostics from the disc PC-Doctorfor DOSNon-opticalmouse 11.Reconnect the mouse cable to the computer Chapter 7. Getting information, help, and service Information resourcesOnline Books folder ThinkVantage Productivity CenterAccess Help Safety and WarrantyLenovo Welcome Help and service Using the documentation and diagnostic programsCalling for service Using other services Purchasing additional servicesAppendix. Notices Lenovo United States, Inc1009 Think Place - Building One Morrisville, NC U.S.A Attention: Lenovo Director of LicensingTelevision output notice TrademarksIndex A Page Page 66User Guide Page Part Number: 53Y9936 Printed in USA 1P P/N: 53Y9936