If the driver is installed but suddenly stopped working, it may be corrupted.
In the confirmation dialog, check the box that says "Delete the driver software for this device" (if available). Click Uninstall . how to install sound drivers in windows 7
Once the driver file is downloaded—usually in the form of an executable (.exe) file or a compressed archive (.zip)—the user can proceed. If it is an executable file, running it will launch an installation wizard that guides the user through the setup process. If it is a compressed file, it must be extracted, and the user must use the Device Manager's "Browse my computer for driver software" option to manually point the system to the extracted driver files. If the driver is installed but suddenly stopped
Open Device Manager (as above).
When Windows cannot find a driver, you need to identify the exact hardware. Once the driver file is downloaded—usually in the