attempting to google the problem, not much probalems similar to yours. i would normally recommend wiping drivers, reset, install an older driver(or beta driver) reset and try again but a blurry screen has to mean something is wrong. Im trying to find out if its hardware or software based.
If you had a 560ti before, are you sure you deleted all the nvidia drivers? switching from one side to the others without perfect clearance can cause driver problems.