NVIDIA is one of the most popular graphics cards today. A lot of computer users prefer NVIDIA video cards because of their high quality and reliability. However, sometimes NVIDIA Control Panel Display Properties Extension starts causing various errors. This extension gets installed together with NVIDIA graphics cards and can be the reason for nvcpl.dll errors. When nvcpl.dll can’t be loaded, you will get a pop-up error message saying that “Nvcpl.dll Not Found” or “Cannot find nvcpl.dll”. At this point, your screen can go black and you will have to use the Windows Safe Mode to be able to use your PC. Not a good scenario. So, here are a couple of things that will help you fix this problem.