BIOS Update for Windows 7 (32-bit, 64-bit) - Lenovo G470, G570
NameOperating SystemVersionReleasedAdd to
download list
BIOS Update for 32bit Windows
3302 Sep 2012
BIOS Update for 64bit Windows
3302 Sep 2012
3302 Sep 2012
Supported Systems
  • Lenovo G470, G570
Supported Operating Systems
  • Microsoft Windows 7 32-bit, 64-bit
Fixes and Enhancement
  • Latest Version BIOS fixes all merged issues from previous.
Important Information

This package updates the basic input/output system (BIOS) on Lenovo G470, G570.

BIOS, abbreviation of Basic Input/Output System, is integrated in ROM chip on main board, which contains the basic input/output program, system configuration information, system startup self-check and pre-setup programs. BIOS provides most basic low-level hardware operations; it is the connection between software and hardware, and interfacing window of hardware and operating system.

Note: Make note of any settings you have changed in the BIOS Configuration Utility. These settings may have to be re-entered after updating the BIOS.

Attention: Do not power off or restart your computer during the BIOS flashing process, which will cause serious damage and improper functioning of your computer.

Installation Instructions

Take40cn33ww_32.exe for example:

  1. Restart computer.
  2. Locate the file 40cn33ww_32.exe that has been downloaded.
  3. Double click the 40cn33ww_32.exe. For Vista and Windows 7, you may run it as administrator by right-clicking on the icon and selecting "Run as administrator".
  4. Click Install.
  5. Click Flash BIOS.
  6. Press Enter to start flashing. During the process, you are advised not to turn off the computer.
  7. When the update finishes, the computer will automatically reboot for the changes to take effect.
  8. Enter to BIOS menu, load default setting-> save and exit.
  9. Please reboot the system again.



If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

Country Availability
Document ID : DS018378
Legacy Document ID : 4481
Last Updated :
Copyright © Lenovo 2013, all rights reserved
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