6.Follow the instructions on the screen to complete the update. After the update is completed, remove the disc from the optical drive.

Updating (flashing) the BIOS from your operating system

Note: Because Lenovo makes constant improvements to its Web sites, the Web page contents are subject to change without notice, including the contents referenced in the following procedure.

To update (flash) the BIOS from your operating system, do the following:

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

2.Do the following to locate the downloadable files for your machine type:

a.In the Enter a product number field, type your machine type and click Go.

b.Click Downloads and drivers.

c.Select BIOS from the Refine results drop-down list box to easily locate all the BIOS related links.

d.Click the BIOS update link.

3.Click the TXT file that contains the instructions for updating (flashing) the BIOS from your operating system.

4.Print these instructions. This is very important because these instructions will not be displayed on the screen after the download begins.

5.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 the 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. See “Removing the computer cover” on page 13.

3.Remove the front bezel. See “Removing and reinstalling the front bezel” on page 14.

4.Remove the PCI card holder. See “Removing and reinstalling the PCI card holder” on page 15.

5.Locate the Clear CMOS /Recovery jumper on the system board. See “Locating parts and connectors on the system board” on page 9.

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

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

8.Reinstall any parts and reconnect any cables that have been removed or disconnected.

9.Reinstall the computer cover and reconnect the power cords for the computer and monitor to electrical outlets. Refer to “Completing the parts replacement” on page 37.

10.Turn on the computer and the monitor. Insert the POST/BIOS update (flash) disc into the optical drive. The recovery session begins. The recovery session will take two to three minutes. During this time, you will hear a series of beeps.

11.After the recovery session is completed, the series of beeps will end, and the system will automatically turn off.

12.Repeat step 2 through step 6.

13.Move the Clear CMOS /Recovery jumper back to the standard position (pin 1 and pin 2).

14.Reinstall any parts and reconnect any cables that have been removed or disconnected.

15.Reinstall the computer cover and reconnect any cables that were disconnected.

58ThinkStation User Guide

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Lenovo 4271, 4272, 4269 Updating flashing the Bios from your operating system, Recovering from a POST/BIOS update failure
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4262, 4263, 4266, 4264, 4265 specifications

Lenovo has established itself as a leader in the technology sector, offering a range of innovative products tailored for various business and personal needs. Among its notable offerings are the Lenovo 4269, 4265, 4263, 4272, and 4266 models, each distinct yet sharing common traits that reflect Lenovo's commitment to quality, performance, and user experience.

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