Just got word from PC-Extreme that they have found the possible solution to why your having problems with your TV output and Nvidia Detonator 40 series. With the release of the all new Detonator 40-series many user have experience tv-output problems? We have worked on this issue and have discovered the reason why. There are 3 different solutions to solve the problem!

The breakdown: don't fiddle with the registry °-°. Detonator 40 Series: TV-Output Problems - Solved?