Windows 7 drivers. Windows 7 is an operating system of Windows NT family which was released after Windows Vista but before Windows 8. According to the data on summer of 2017, Windows 7 is the most popular operating system in the world. According to the data on July, 2017, Windows 7 is used on 48.91% of all PCs worldwide. Windows 10 1909 upgrade No Sound No sound Devices Recognised - No solution to Realtek High Definition Audio Driver Problem Shame on M$, shame on Realtek. No sound device recognized.
Before you begin
Driver updates for Windows 10, along with many devices, such as network adapters, monitors, printers, and video cards, are automatically downloaded and installed through Windows Update. You probably already have the most recent drivers, but if you'd like to manually update or reinstall a driver, here's how:
Update the device driver
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In the search box on the taskbar, enter device manager, then select Device Manager.
Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update.
Select Search automatically for updated driver software.
Select Update Driver.
If Windows doesn't find a new driver, you can try looking for one on the device manufacturer's website and follow their instructions.
Reinstall the device driver
Cards With Sound
In the search box on the taskbar, enter device manager, then select Device Manager.
Right-click (or press and hold) the name of the device, and select Uninstall.
Restart your PC.
Windows will attempt to reinstall the driver.
More help
If you can't see the desktop and instead see a blue, black, or blank screen, see Troubleshoot blue screen errors or Troubleshoot black or blank screen errors.