1. Download the SOP307XDAY.EXE file to a temporary or download directory (please note this directory for reference).
2. Go to the directory where the file was downloaded and double-click the SOP307XDAY.EXE file to begin the installation.
3. At the "SONY® Digital Audio System Firmware Update - InstallShield Wizard" box, click Next.
   Several setup boxes will briefly appear during the installation. As the files are installed, these boxes will close automatically.
   NOTE:  If an "Information" box appears prompting you to reboot to verify the computer model, click OK. After the computer restarts, please continue with step 5 above.
   NOTE:  If a "Current Version" window appears, it means the computer already has the latest firmware. Click OK and then click Finish to exit the utility.
4. At the "Sony Digital Audio System Firmware Update" window, click OK.
5. At the "Sony Digital Audio System Firmware Update - Transfer" window, click Transfer.
6. At the "Sony Digital Audio System Firmware Update - Attention!!!" window, click OK.
   Please wait as the firmware is updated.
7. When the message "Finish transferring the firmware...." appears, click Close.
8. At the "Sony Digital Audio System Firmware Update Complete" window, click OK.
9. At the "InstallShield Wizard Complete" screen, click Finish.
10. Shut down the computer.
11. After the computer shuts down completely, disconnect the AC power cord from the computer.
12. Wait for 10 seconds and then connect the AC power cord to the computer again.
13. Turn on the computer.

The installation of the Sony® Digital Audio System Firmware Update is complete.

This utility updates the SONY® Digital Audio System Firmware and resolves the following issues:

• In rare cases, the sound playback may stop.
• Loud noise may occur in some occasions.
• After the volume is turned down, the audio output from the left speaker may not be audible.
• When pressing "Play" and "Stop" repetitively using SonicStage Premium, white noise may occur in some cases.
• In some rare cases, drawing of LCD may stop and the computer cannot be shutdown.
• When selecting source using the SonicStage™ Premium application, noise may occur in some cases.

• During the installation of this update, 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 to print out these instructions as a reference during the installation process.