Article ID : 00010172 / Last Modified : 07/23/2019

The function keys do not work.

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IMPORTANT: This article applies only to specific products and/or operating systems. Check Applicable Products and Categories for details.

If the function keys, such as the LCD brightness or volume control, do 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:


  1. Video driver
  2. Audio driver
  3. Sony® Shared Library
  4. Sony Firmware Extension Parser driver
  5. Sony Notebook Utilities
  6. 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.