Applicable Models

This information is for the following models:
  • VGN-TX16SP
  • VGN-TX26TP
  • VGN-TX26SP
  • VGN-TX27TP
  • VGN-TX17TP
  • VGN-TX26GP
  • VGN-TX27GP
  • VGN-TX16GP
  • VGN-TX17GP
  • VGN-TX16TP

About this download

This program will upgrade audio driver to and the following symptoms have been resolved:
1. High frequency noise may occur.
2. Sound playback can be heard even if Master Volume level is set to minimum.

Available Downloads:
Audio Driver update program Ver.
File name: REDAUD-01184301-UN.exe
File size: 20.2 MB (21,267,840 bytes)


File Info

File Name

  • To install Audio Driver update program Ver.

File Version


File Size

  • 20.2MB

Release Date

  • 2006-03-31

System Requirements

  • Windows XP


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 REDAUD-01184301-UN.exe. Then click Next.

 3.  Follow the instructions displayed in the installation wizard.

 4.  After installation is completed, please restart the computer.

 Note: Please confirm that HD Audio QFE (KB835221-20040818) has been installed before installation.

To check if the updating is successful

 1. Start Device Manager and double-click Realtek High Definition Audio.

 2. Click the  Drivertab.

 3. Check that the date is 2006/3/16 and the version is