Bios Levels; Flash Update Procedures; Updating (Flashing) Bios From A Diskette Or Cd-Rom; Updating (Flashing) Bios From Your Operating System - Lenovo ThinkCentre A52 Hardware Maintenance Manual

1. Click Start from the desktop, then Programs.
2. Select SystemView Agent
3. Select the Serial Number Information icon
4. Click the plus sign to expand.
5. Select the component you want to view or edit.
6. Double click on the component you want to change.
7. Enter new data in the Value field, then click Apply.

BIOS levels

An incorrect level of BIOS can cause false errors and unnecessary FRU
replacement. Use the following information to determine the current level of BIOS
installed in the computer, the latest BIOS available for the computer, and where to
obtain the latest level of BIOS.
v Current Level BIOS information
v Sources for obtaining the latest level BIOS available
To update (flash) the BIOS, see "Flash update procedures."

Flash update procedures

This section details how to flash (update) the BIOS.

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

1. If you are updating from a CD-ROM, insert the flash update CD-ROM in the
2. Shut down the operating system and turn off the computer.
3. If you are updating from a diskette, insert the flash update diskette in the
4. When you are prompted to select a language, press the number on your
5. When prompted to change the serial number, press Y, type the seven character
6. When prompted to change the machine type/model, press Y, type the seven
7. Follow the instructions on the screen to complete the update.

Updating (flashing) BIOS from your operating system

Note: Due to constant improvements being made to the Lenovo Web site, Web
1. From your browser, type http://www.lenovo.com/think/support.
2. In the Use Quick path field, type your 4-digit machine type and click Go.
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Hardware Maintenance Manual
– Run the Setup Utility to determine the level of BIOS installed.
1. Lenovo support web site:
http://www.lenovo.com/think/support/
2. Lenovo Customer Support Center
3. Levels 1 and 2 Support
optical drive before turning off the computer.
diskette drive. Turn on the computer. The update begins.
keyboard that corresponds to the language; then press Enter.
serial number of your computer, and then press Enter.
character machine type/model of your computer, and then press Enter.
page content (including the links referenced in the following procedure) is
subject to change.