For Sony Desktop PCV-RZ322
The audio Recording Control settings may change after the computer restart.
Download the file ACD_smx_51213622.exe, and save it to a download directory. (Please note this directory for reference.)
Go to the download directory, and double-click ACD_smx_51213622.exe - WinZip Self-Extractor program starts.
Click Unzip - The file will be extracted to C:\audio_driver.
Click Close to exit WinZip Self-Extractor program.
Log on using an account with administrative rights and exit all running applications.
Open Device Manager (Click Start- right-Click My Computer, click Properties, Hardware Tab, Device