NOTE: Not all computers have an internal Atheros® WLAN adapter. To see if your computer uses this adapter, check the specifications or the instructions manual supplied with the product. Manuals are posted on your model support page.
If you install the operating system in-box Atheros WLAN driver version 184.108.40.206, you will not be able to reinstall version 220.127.116.11 of the driver using the reinstall application and drivers option in the VAIO Care™ software.
To install version 18.104.22.168 of the Atheros WLAN driver, download and install it from Sony® eSupport website. Downloads are posted on your model support page.