If the function keys, such as the LCD brightness or volume control, does not work or the SmartWi™ Connection Utility does not detect that the physical wireless switch is turned on, install the following drivers and software in the specified order:
- It is recommended to update your computer before downloading and installing the driver and software below.
- You may also use the VAIO® Recovery software to install the drivers and software. For information about using the VAIO Recovery software refer to the operating instructions supplied with the product.
- Video driver
- Audio driver
- Sony® Shared Library
- Sony Firmware Extension Parser driver
- Sony Notebook Utilities
- SmartWi Connection Utility
NOTE: The SmartWi Connection Utility is not available for all models and is not required to resolve the issue of the function keys not working.