Applicable Models

This information is for the following models:
  • VGN-NR27M
  • VGN-NR27G
  • VGX-TP1T
  • VGX-TP1G
  • VGN-CR22G
  • VGN-NR27M
  • VGN-NR27G

About this download

This program will upgrade Atheros Wireless LAN Driver to Ver. and resolve the following symptom.
1. There is only one-Signal Level in Scan list sometimes.

Available Downloads:
Athoeros Wireless LAN Driver Upgrade Program Version
File name: EP0000144314.exe
File size: 1.16 MB (1,218,640  bytes)

File Info

File Name

  • To install Atheros Wireless LAN Driver Upgrade Program Version

File Version


File Size

  • 1.16MB

Release Date

  • 2008-02-22

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 EP0000144314.exe.
3. Follow the instructions displayed in the installation wizard.
4. After installation is completed, please restart the computer

To check if the updating is successful
1. Open Device Manager -> Properties of LAN-Express AS IEEE 802.11g PCI-E Adapter-> Driver tab.
2. Check that the following information is correct:
Driver Date is 2007/12/06 (Y/M/D).
Driver Version is
Digital Signature is Microsoft Windows Hardware Compatibility Publisher.