BIOS Update

NameOperating SystemVersionReleasedDownload
BIOS Update
40cn11ww_32bit.exe
3.28MB
Windows 7 32bit,
Windows XP 32bit
1121 May 2012 Download
BIOS Update
40cn11ww_64bit.exe
3.67MB
Windows 7 64bit,
Windows XP x64
1121 May 2012 Download
BIOS Update Readme
40cn11ww.txt
26.1KB
Windows 7 32bit,
Windows 7 64bit,
Windows XP
1121 May 2012 Download

Supported Systems

  • Lenovo G770

Supported Operating Systems

  • Windows 7 32-bit, 64-bit, Windows XP


Fixes and Enhancement

  • Fixed the NOVO button can't be powered on when AC adapter only.


Important Information

  • Lenovo strongly suggests rebooting the system before applying the BIOS update.
  • BIOS  Version:  PIWG4310.ROM (40CN11WW(V3.10))

Installation Instructions

  • How to flash BIOS:
                a. Please use flashit.exe V1.4c
                    For flash BIOS only, "flashit PIWG4310.ROM  /all /bios"
                    For flash BIOS+EC, "flashit PIWG4310.bin  /all /bios /ecb"
                b. For flash BIOS only, please use flash.bat
                    For flash BIOS+EC, please use flasha.bat