Applicable Models

This information is for the following models:
  • VGN-Z57GG
  • VGN-Z56TG
  • VGN-Z55GG
  • VGN-Z56GG
  • VGN-Z55TG
  • VGN-Z58GG
  • VGN-Z57TG
  • VGN-Z56SG
  • VGN-Z56MG

About this download

This program will upgrade BIOS to version R5031M3

This upgrade is suitable for Windows 7.

Available Downloads:

BIOS Update Ver. R5031M3

File name: EP0000600084.exe

File size: 6.21 MB (6507128 bytes)

File Info

File Name

  • To install BIOS Update Ver. R5031M3

File Version

  • R5031M3

File Size

  • 6.21 MB

Release Date

  • 2009-12-09

System Requirements

  • Windows 7 64bit



1. Download the file to a temporary or download directory (Please note this directory for reference later).
2. Go to the directory where the file was downloaded and double-click EP0000600084.exe.
3. Follow the instructions displayed in the installation wizard.
4. After installation is completed, please restart the computer.


To check if the updating is successful
1. Click Start -> Click All Programs -> Select VAIO Control Center -> Select System Information.
2. Check the BIOS Version if it is R5031M3.