Lenovo 7356, 6139, 7348, 8338, 8820, 7637, 7479, 7626, 7359, 7629, 7345, 6136 Important safety information

Page 7

Important safety information

CAUTION:

Before using this manual, be sure to read and understand all the related safety information for this product. Refer to the ThinkCentre Safety and Warranty Guide that you received with this product for the latest safety information. Reading and understanding this safety information reduces the risk of personal injury and or damage to your product.

If you no longer have a copy of the ThinkCentre Safety and Warranty Guide, you can obtain a Portable Document Format (PDF) version from the Lenovo® Support Web site at:

http://www.lenovo.com/support

© Copyright Lenovo 2009

v

Image 7

Contents Page Page ThinkCentre User Guide Page Contents Iv User Guide Important safety information Vi User Guide Product overview FeaturesVideo subsystem Power Environment SpecificationsSoftware provided with your Windows operating system Software overviewPC-Doctor for Windows PE Locations Locating connectors on the front of your computerRear connector locations Locating connectors on the rear of your computerConnector Description Component locations Locating componentsShows the location of the parts on the system board Locating parts on the system boardInstalling options and replacing hardware Installing options and replacing hardwareHandling static-sensitive devices Opening the computer cover Installing external optionsOpening the computer cover Installing or replacing a memory moduleWhat to do next Removing the hard disk drive Replacing the hard disk driveReplacing the optical drive Installing the hard disk drive into the bracketRemoving the front bezel Installing the optical drive Replacing the batteryReplacing the heat sink Removing the old batteryRemoving the heat sink Replacing the microprocessor Accessing the microprocessorRemoving the microprocessor Replacing the adapter card Releasing the system board Replacing the internal speaker Replacing the front audio and USB assemblyRemoving the front bezel Removing the front audio and USB assembly Replacing the AC power adapterConnecting the AC power adapter Replacing the mouse Replacing the keyboardMouse connectors Completing the parts replacementCable routing Installing security features Integrated cable lock Password protectionErasing lost or forgotten passwords clearing Cmos Creating and using Product Recovery discs Recovery informationPerforming backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media To use rescue media, do one of the following Creating and using a Recovery Repair disketteRecovering or installing device drivers Solving recovery problems Setting a rescue device in the startup sequenceUser Guide Using passwords Using the Setup UtilityStarting the Setup Utility program Viewing and changing settingsHard Disk User Password Password considerationsPower-On Password Privileged Access PasswordSelecting a startup device Enabling or disabling a deviceSelecting a temporary startup device Exiting from the Setup Utility program Advanced settingsSelecting or changing the startup device sequence Updating flashing Bios from a disc Using system programsUpdating system programs Recovering from a POST/BIOS update failure Updating flashing Bios from your operating systemUpdating system programs User Guide Basic troubleshooting Troubleshooting and diagnosticsSymptom Action Lenovo System Toolbox Diagnostic programsPC-Doctor for Windows PE PC-Doctor for DOS Cleaning the mouseOptical mouse Non-optical mouse User Guide ThinkVantage Productivity Center Getting information, help, and serviceInformation resources Online Books folderSafety and Warranty Access HelpLenovo Welcome Using the documentation and diagnostic programs Help and serviceCalling for service Purchasing additional services Using other servicesAppendix. Notices Trademarks Television output noticeCRU IndexPage Page User Guide Page Part Number 53Y9936