The Code 31, Windows cannot load the drivers required for this device occurs if the device driver associated with a hardware component on your computer is either missing, corrupted, or incompatible.

There can be several reasons for the Realtek HD Audio Driver Failure error, including conflicts with computer drivers, insufficient disk space, incompatible operating systems or system ...

Unable to manually update the driver, online searches suggest this is a known problem but only fixes appear to be to purchase a driver update/repair program. Is there a free solution to this problem?

Diagnosing driver errors: Two approaches As Windows Central points out, you should be able to identify driver problems with help from Microsoft’s Get Windows 10 app.

Fix ‘Display Driver Failed to Start’ Error on Windows 10 One of the reasons why error message occurs is due to a faulty display driver on your computer.