Lenovo THINKCENTRE 6396 Bedienungsanleitung PDF herunterladen (Seite 158)

Updating (flashing) BIOS from a CD-ROM or diskette

This section describes how to update (flash) the BIOS using a CD-ROM or diskette.

system program updates are available at

http://www.lenovo.com/support

on the World Wide Web.

1. To update (flash) the BIOS:

v If using a CD-ROM, make sure the computer is turned on. Insert the system

program update (flash) CD-ROM into the optical drive. The update begins.

v If using a diskette, make sure the computer is turned off. Insert the system

program update (flash) diskette and turn on the computer. The update

begins.

When you are prompted to select a language, press the number on your

keyboard that corresponds to the language and then press Enter.

3. When prompted to change the serial number, press Y.

4. Type the seven-character serial number of your computer and then press Enter.

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

6. Type the seven-character machine type/model of your computer and then press

Enter.

7. Follow the instructions on the screen to complete 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 open the computer cover.

See “Opening the cover” on page 84.

3. Locate the Clear CMOS/Recovery jumper on the system board. See “System

board locations” on page 83.

4. Remove any cables that impede access to the Clear CMOS/Recovery jumper.

5. Move the jumper from the standard position (pins 1 and 2) to pins 2 and 3.

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

7. Reconnect the power cords for the computer and monitor to electrical outlets.

8. Insert the POST/BIOS update (flash) diskette or CD-ROM into the drive, and

turn on the computer and the monitor.

9. The recovery session will take two to three minutes. After the update session

is completed, there will be no video, and the system will automatically reboot.

Remove the diskette from the diskette drive.

10. Repeat steps 2 through 4.

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.

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