Applicable Models

This information is for the following models:
  • VGN-S26TP
  • VGN-S18SP
  • VGN-S26SP
  • VGN-S28TP
  • VGN-S26GP
  • VGN-S18GP
  • VGN-S16GP
  • VGN-S36GP
  • VGN-S36TP
  • VGN-S16SP
  • VGN-S16TP
  • VGN-S18TP
  • VGN-S28SP
  • VGN-S36SP
  • VGN-S28GP

About this download

This BIOS firmware will improve the following symptom:
1. Occurrence of display noise

Available download
BIOS Version R0072G4
File name: PHBSYS-00775107-UN.exe
File size: 887 KB (908,608 bytes)

File Info

File Name

  • BIOS Version R0072G4

File Version

  • R0072G4

File Size

  • 0.88MB

Release Date

  • 2005-04-20

System Requirements

  • Windows XP


IMPORTANT: Before proceeding with the upgrade, disconnect all external hardware devices, including PC Cards, except for the docking station.
NOTE: Before proceeding, ensure that the VAIO computer is operated using the supplied AC adapter.

During the process of BIOS updating, please ensure the following:
1. Do not switch off the computer.
2. Do not allow the computer to go into Standby or Hibernation mode.
3. Do not start any other programs.
4. Do not connect any other peripherals to the computer.



1. Download the file to a temporary or download directory (please note this directory for reference). Go to the directory where the file was downloaded and double-click the file to begin files extraction.

2. Double-click PHBSYS-00775107-UN.exe. Check that the new version of R0072G4 is displayed.

3. Click Update and click OK to perform updating.

4. Click OK to restart the computer.