Lenovo 6306 manual Updating flashing 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) BIOS from your operating system

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

1.From your browser, type http://www.lenovo.com/support in the address field and press Enter.

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

a.In the Enter a product field, type your machine type and click Go → Continue → Downloads and drivers.

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

c.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 since 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 power to your computer is interrupted while POST/BIOS is being updated (flash update), your computer might not restart correctly. If this happens, perform the following procedure 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. Refer to “Removing the cover” in the ThinkCentre Hardware Installation and Replacement Guide.

3.Locate the Clear CMOS/Recovery jumper on the system board. Refer to “Identifying parts on the system board” in the ThinkCentre Hardware Installation and Replacement Guide.

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

5.Close the computer cover and reconnect any cables that were disconnected.

6.Reconnect the power cords to electrical outlets.

7.Insert the POST/BIOS update (flash) diskette into the diskette drive, and then turn on the computer.

8.The recovery session starts with two short beeps and takes two to three minutes. A video will display indicating that the recovery process has started.

9.After the update session is completed, the computer will automatically turn off. Remove the diskette from the diskette drive.

10.Repeat steps 2 through 3.

11.Replace the Clear CMOS/Recovery jumper to its original position.

12.Close the computer cover and reconnect any cables that were disconnected.

13.Turn on the computer to restart the operating system.

24User Guide

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Contents Machine Type Page ThinkCentre User Guide Page Contents Iv User Guide Introduction Vi User Guide Important safety information User Guide Glare and lighting Arranging your workspaceComfort Air circulation Electrical outlets and cable lengthsSetting up your computer Connecting your computerUser Guide Setting up your computer User Guide 1 Turning on computer power Finishing the software installationInstalling other operating systems Completing important tasksUpdating your operating system Updating your antivirus softwareInstalling external options Features System informationExpansion Specifications For machine typeUser Guide Software provided by Lenovo Software overviewSoftware provided with your Windows operating system User Guide Using the Setup Utility Starting the Setup Utility programViewing and changing settings Using passwordsUser Password Administrator PasswordSetting, changing, and deleting a password Enabling or disabling a deviceSelecting or changing the startup device sequence Selecting a startup deviceSelecting a temporary startup device Advanced settings Exiting from the Setup Utility programUpdating system programs Using system programsUpdating flashing Bios from a diskette or a CD/DVD-ROM Updating flashing Bios from your operating system Recovering from a POST/BIOS update failureTroubleshooting and diagnostics Basic troubleshootingDiagnostic programs PC-Doctor for Windows PC-Doctor for DOSRunning diagnostics from the Rescue and Recovery workspace PC-Doctor for Windows PENon-optical mouse Cleaning the mouseOptical mouse 4 Ball cage Recovering software Creating and using the Product Recovery discPerforming backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media To create rescue media, do the followingCreating 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 sequenceSolving recovery problems User Guide Getting information, help, and service Information resourcesOnline Books folder Lenovo CareAccess Help Safety and WarrantyCalling for service Help and serviceUsing the documentation and diagnostic programs Using other services Purchasing additional servicesAppendix A. Manual modem commands Basic AT commandsLow speaker volume Extended AT commands Enable RTS/CTS hardware flow controlMNP/V.42/V.42bis/V.44 commands +MS=?Fax Class 1 commands Fax Class 2 commandsVoice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Television output notice TrademarksIndex Installing operating system 11 software Page User Guide Page Part Number 53Y7512
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