Lenovo 7090, 9705, 9625, 9421, 9353, 9485, 9623 Updating flashing the Bios from your operating system

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6.When prompted to change the machine type/model, press Y.

7.Type in the seven character machine type/model of your computer and then press Enter.

8.Follow the instructions on the screen to complete the update.

Updating (flashing) the BIOS from your operating system

Note: The Web page content (including the links referenced in the following procedure) is subject to change because of the constant improvements made to the Web site.

1.Go to http://www.lenovo.com/support.

2.Locate the Downloadable files for your machine type as follows:

a.In the Enter a product field, type your machine type.

b.Click Go → Continue → Downloads and drivers.

c.Under the BIOS category, click the Flash BIOS update.

d.Click the TXT file that contains the installation instructions for the flash BIOS update (flash from the operating system version).

3.Print these instructions. This is very important because they are not on the screen after the download begins.

4.From your browser, click Back to return to the list of files. Carefully follow the printed instructions to download, extract, and install the update.

Recovering from a POST/BIOS update failure

If the power to your computer is interrupted while the POST/BIOS is being updated (flash update), your computer might not restart correctly. If this happens, perform the following procedure which is commonly called Boot-block recovery.

1.Turn off the computer and any attached devices, such as printers, monitors, and external drives.

2.Unplug all power cords from electrical outlets, and remove the computer cover. See “Removing the computer cover” on page 16.

3.Access the system board. See “Removing and reinstalling the front bezel” on page 18.

4.Locate the Clear CMOS/Recovery jumper on the system board. See “Locating parts on the system board” on page 12.

5.Remove any cables that might prevent your access to the Clear CMOS/Recovery jumper.

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

7.Reconnect any cables that were disconnected. See “Completing the parts replacement” on page 45.

8.Reinstall the computer cover and reconnect the power cords for the computer and monitor to electrical outlets.

9.Do one of the following:

vInsert the POST/BIOS update (flash update) diskette into the diskette drive and turn on the computer and the monitor.

vTurn on the computer and the monitor, and then insert the POST/BIOS update (flash update) disc into the optical drive. Turn the computer off and back on again.

64User Guide

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Contents ThinkCentre User Guide Page ThinkCentre User Guide Second Edition December Copyright Lenovo 2008 Contents Index Important safety information Vi User Guide Features Product overviewConnectivity Security features Specifications EnvironmentSoftware overview Software provided with your Windows operating systemLenovo ThinkVantage Toolbox Antivirus software Locating connectors on the front of your computer LocationsLocating connectors on the rear of your computer Rear connector locationsConnector Description Locating components Component locationsLocating parts on the system board Locating internal drivesShows the locations of the drive bays User Guide Installing or replacing hardware Installing or replacing hardwareInstalling external options Handling static-sensitive devicesRemoving the computer cover Removing the computer cover Removing and reinstalling the front bezel Installing or replacing a PCI cardOpening the PCI card latch What to do next Installing or replacing a memory module Opening the retaining clipsReplacing the battery Removing the memory moduleInstall a new battery Replacing the power supply assembly Removing the retaining screws for the power supply assemblyReplacing the heat sink and fan assembly Removing the heat sink and fan assembly Replacing the heat sink and fan assembly Replacing the primary hard disk driveRemoving the primary hard disk drive Installing the primary hard disk drive into the bracket Installing the primary hard disk drive and bracket Replacing the secondary hard disk driveRemoving the secondary hard disk drive Installing the secondary hard disk drive into the bracket Installing the secondary hard disk drive and drive cage Replacing the optical driveRemoving the optical drive Replacing the diskette drive or card reader Removing the diskette drive or card reader Replacing the front fan assembly Removing the front fan assemblyReplacing the rear fan assembly Installing the front fan assemblyRemoving the rear fan assembly Replacing the front audio and USB assembly Installing the rear fan assemblyRemoving the front audio and USB assembly Replacing the internal speaker Removing the old internal speakerInstalling a new internal speaker Replacing the keyboardKeyboard connectors Completing the parts replacement Replacing the mouseInstalling security features Reinstalling the computer coverIntegrated cable lock Integrated cable lockPassword protection Erasing lost or forgotten passwords clearing CmosPadlock Installing or replacing hardware User Guide Recovery information Creating and using recovery mediaCreating recovery media Using recovery media Performing backup and recovery operations Performing a backup operationPerforming a recovery operation Using the Rescue and Recovery workspace Creating and using rescue media Creating rescue mediaUsing rescue media Creating and using a recovery repair disketteCreating a recovery repair diskette Using a recovery repair disketteInstalling or reinstalling device drivers Setting a rescue device in the startup sequence Solving recovery problemsUsing the Setup Utility Starting the Setup Utility programViewing and changing settings Using passwordsPassword considerations User PasswordAdministrator Password Setting, changing, and deleting a passwordSelecting a startup device Selecting a temporary startup deviceExiting from the Setup Utility program Selecting or changing the startup device sequenceUsing system programs Updating flashing the Bios from a diskette or discUpdating system programs Updating flashing the Bios from your operating system Recovering from a POST/BIOS update failureUpdating system programs User Guide Troubleshooting and diagnostics Basic troubleshootingDiagnostic programs Lenovo ThinkVantage ToolboxPC-Doctor for Rescue and Recovery Lenovo System ToolboxCleaning the mouse PC-Doctor for DOSOptical mouse Non-optical mouse User Guide Getting information, help, and service Information resourcesOnline Books folder Lenovo ThinkVantage ToolsAccess Help Safety and WarrantyThinkVantage Productivity Center Lenovo WelcomeHelp and service Using the documentation and diagnostic programsCalling for service Using other services Purchasing additional servicesAppendix. Notices Television output notice TrademarksIndex CRUPower Page User Guide Page Part Number 89Y0418
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9421, 9953, 9705, 9935, 9795 specifications

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