If an entry point is not found, it means the file necessary to hand off that process is damaged, unreadable, or missing. If you are lucky, the syntax of the error message itself will tell you the exact file that is missing. All you need to do is replace that file or reinstall the program in question...

Introduce them back you need to restart your PC will naturally introduce the missing drivers for you. In the event that you are getting DirectX12 mistakes subsequent to reinstalling the video drivers, take a stab at refreshing them also.