I have successfully installed openSUSE to my computer, but there is a catch. When I try to boot the operating system, it boots, but when it is time to show me the logon screen, it goes all crazy and wild - the screen is full of unrecognizable fuzzy colorful noise, kinda what you could see on the old TVs when they broke or when you fry your graphics card. My graphics card is nVidia GeForce GT 240. What should I do to make the OS work?
It looks like this: