Applicable Models

This information is for the following models:
  • VGN-AW27GY
  • VGC-JS25S
  • VGC-JS25G
  • VGC-JS25T
  • VGN-AW25GJ
  • VGN-AW27GY
  • VGC-JS25S
  • VGC-JS25G
  • VGC-JS25T
  • VGN-AW25GJ

About this download

This program will upgrade Audio Driver to Ver.

Available Downloads:
Audio Driver Update Program Ver.
File name: EP0000174405.exe
File size: 89.6 MB (93,994,216 bytes)

File Info

File Name

  • To install Audio Driver Ver.

File Version


File Size

  • 89.6MB

Release Date

  • 2009-02-17

System Requirements

  • Windows Vista SP2 32bit
  • Windows Vista SP2 64bit



1. Click Start -> Control Panel -> Uninstall a program
2. Double-click Dolby Control Center and perform the uninstallation
3. Repeat Step 1 and select Realtek High Definition Audio Driver and perform the uninstallation
4. Restart the system.
5. Download the EP0000174405.exe file
6. Execute EP0000174405.exe
7. Click Continue after User Account Control dialog says A program needs your permission to continue.
8. Click Next when Welcome to the InstallShield Wizard for Realtek High Definition Audio Driver dialog appears.
9. Select Yes, I want to restart my computer now and click Finish when InstallShield Wizard Complete dialog appears.
10. The system will restart automatically.

To check if the audio driver was successfully updated
1. Open Device Manager
   1a. Click Start -> Right-click Computer -> Select Manage -> Double-click Device Manager
2. Double-click Sound, video and game controller -> Double-click Realtek High Definition Audio
3. Select the Driver tab.
4. Check for the following information:

Device Name: Realtek High Definition Audio
Date: 2008/12/17 (YYYY/MM/DD)
Digital Signature: Yes