Select as the operating system and download the "Audio" or "Sound" driver (often listed as Realtek High Definition Audio). Manual Installation via Device Manager :
To install or troubleshoot sound drivers for Windows 7 Professional, you should prioritize official manufacturer sources. Windows 7 has reached end-of-life support from Microsoft, so finding compatible drivers typically requires identifying your specific hardware and manually downloading the installer. Identify Your Hardware :
Open the , right-click Computer , and select Manage > Device Manager . Expand Sound, video and game controllers . Right-click your audio device and choose Update Driver .
Search for your specific model and look for a section.