Applicable Models

IMPORTANT: This file is only for use with the models identified. Not all models are sold in all countries.

This information is for the following models:

  • VPCM111AX
  • VPCM120AB
  • VPCM120AL
  • VPCM121AD
  • VPCM121AX

About this download

Benefits and improvements

This utility updates the Wireless LAN driver to version 3.1.3.1 to resolve then following issues:
  • Sound distortion may occur during playback of a music file or when logging on or off the system
  • The system may hang or freeze (stop responding)

System Requirements

Operating Systems

  • Windows® 7

File Info

File Name

  • EP0000600175.exe

File Version

  • 3.1.3.1

File Size

  • 2.94 MB

Release Date

  • 07-13-2010

Before You Start


Important Notes

  • During the installation of this file, be sure that you are logged in as the Administrator or as a user with Administrative rights.
  • To ensure that no other program interferes with the installation, save all work and close all other programs. The Taskbar should be clear of applications before proceeding.
  • It is highly recommended that you print out these instructions for use as a reference during the installation process.

Download & Install


Download and Installation Instructions

  1. To ensure that no other program interferes with the installation, save all work and close all other programs. The Taskbar should be clear of applications before proceeding.
  2. Download the EP0000600175.exe file to a temporary or download directory (please note this directory for reference).
  3. Go to the directory where the file was downloaded and double-click the EP0000600175.exe file to begin the installation.
  4. At the "User Account Control" screen, click "Yes".
  5. At the "Wireless LAN Driver Update" screen, click "Next".
  6. At the "License Agreement" dialog, read the agreement, then, if you agree, click "I Agree" to continue with the installation.
  7. At the "Welcome to the Device Driver Installation Wizard" screen, click "Next".
  8. At the "Completing the Device Driver Installation Wizard" screen, click "Finish".
  9. At the "Finish" screen, click "Finish".
  10. If the "Program Compatibility Assistant" screen appears, click "This program installed correctly".
  11. Restart the computer.

After the computer restarts, the installation of the Wireless LAN Driver Update is complete.