Lenovo 6306 Bedienungsanleitung PDF herunterladen (Seite 32)

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.

24 User Guide

Lenovo 6306 Bedienungsanleitung Seite 32

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