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Applicable Models

This information is for the following models:
  • VGN-TZ17GN
  • VGN-TZ16TN
  • VGN-TZ17SN
  • VGN-TZ17TN
  • VGN-TZ17MN
  • VGN-TZ16GN
  • VGN-TZ16SN
  • VGN-TZ18GN

About this download

This program will upgrade BIOS to Ver.R0052N7 and the following improvements are available in this upgrade version.
1. Change the Wireless LAN Device's setting in BIOS.

Available Downloads:
BIOS Upgrade Program Ver.R0052N7
File name: PHBSYS-01467407-UN.exe
File size: 1.04 MB (1,090,904 bytes)

File Info

File Name

  • To install BIOS Upgrade Program Ver.R0052N7

File Version

  • R0052N7

File Size

  • 1.04MB

Release Date

  • 2007-07-17

System Requirements

  • Windows Vista SP2 32bit


IMPORTANT: Before proceeding with the upgrade, disconnect all external hardware devices, including PC Cards etc.
Note: Before proceeding, ensure that the VAIO computer is operated using the supplied AC adapter.
Note: Save all data/files and close all running programs.



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 PHBSYS-01467407-UN.exe.
3. When the User Account Control dialog appears, click Next.
4. At the VAIO BIOS Update Tool box, click the Update button.
5. At the WBFLASH box, click the  OK button. (Please wait while the utility updates the BIOS.)
6. When the WBFLASH BIOS Update successfully completed box appears, click OK to shutdown the computer.
7. After the computer shuts down, wait for a few seconds, and then turn on the computer again.

To check if the updating is successful
1. Turn on the computer and Press F2 key when the VAIO Logo is displayed.
2. Enter BIOS Setup.
3. The BIOS version can be located in  Main menu.
4. Check that the BIOS Version is R0052N7.