Realtek AC 97 Audio Driver for Windows 7Install soundcard driver
This package contains the Realtek AC 97 driver optimized for the Windows 7 OS.
Always use the most recent driver version available to work your computer properly. Search the latest drivers for your hardware configuration.Before installing a new driver make a Windows restore point to have a back up in case you install the wrong driver.
If your hardware device is older than the version of the driver is possible to not work,so find the exact match.