Restart your PC immediately. Do not skip this step.
Open a web browser and go to https://driverpack.io or https://devid.info (or Google). Paste the Hardware ID into the search bar. how to install sound drivers in windows 7
Right-click your audio device and select Uninstall . Restart your PC immediately
Filter by Operating System: Windows 7 and category: Audio . Add legacy hardware .
Device Manager > right-click your PC name (top of the list) > Add legacy hardware .