This utility installs an updated version of the BIOS software and provides the following benefits:
- Resolves an issue where incorrect information is shown in the Assist menu after a failed Preboot Execution Environment (PXE) startup
- Resolves an issue where the keyboard backlight stays on after the computer system is shut down by pressing the Power button in the Windows operating system
- Improves fan diagnostic functionality in the VAIO Care utility
- Assist menu outside of Windows is updated
- Improves the audio quality
- Improves the UEFI security
Important Notes
- WARNING!!: Before installing this update, be sure the computer is running from AC power. If the installation of the BIOS is interrupted by power loss, the computer may not operate correctly or at all!
- Do not turn the computer off.
- Do not allow the computer to enter Standby or Hibernation states.
- Do not start other programs.
- Do not connect any peripherals.
- 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 and Installation Instructions
- WARNING!!: Before installing this update, be sure the computer is running from AC power. If the installation of the BIOS is interrupted by power loss, the computer may not operate correctly or at all!
- 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.
- Download the EP0000323426.exe file to a temporary or download directory (please note this directory for reference).
- Go to the directory where the file was downloaded and double-click the EP0000323426.exe file to begin the installation.
- Please read the *WARNING!!* note for Microsoft BitLocker security. Follow the on-screen instructions, then click "OK" to continue.
- At the "User Account Control" screen, click "Yes".
- At the "VAIO Firmware Update Tool" screen, confirm that the version to be installed is R0230DA, then click "Update".
- At the "The system will restart. Are you sure you want to update the VAIO firmware?" dialog, click "OK".
- Note: The computer will automatically shutdown when the BIOS update is complete.
- After the computer shuts down, wait for 60 seconds, then power on the computer.
About BIOS Update Utility:
Applying a new BIOS version can bring various fixes, add new features, or improve existing ones; however, this action is very risky and should be carefully carried out in a steady power environment (such as the one ensured by a UPS unit), and only when it is really needed.
Moreover, it is recommended that the BIOS be upgraded by someone who has the ability to use advanced system features. It can also be fulfilled by a regular user as well, but at their own risk.
The Basic Input/Output System (BIOS) is a highly important piece of software that loads the currently installed operating system and tests all hardware components – so make sure you flash it correctly.
When it comes to changing the BIOS version, the update utility searches for a compatible package in any given location or on the web and, if found, it will automatically install the desired build, if and when your approval is given.
Do take into account that failing to perform the installation could seriously damage your system, and the faulty BIOS might even render it unusable.
Therefore, if you intend to upgrade your BIOS, hit the download button, get and install the package, and run the utility to check if a newer version is available. Don’t forget to check with our website as often as possible to be up to date with the latest releases.
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