Second Monitor Problems

tom6561

Gold Level Poster
I've been having a bit of fun trying to make a 19" Samsung TV play nicely with my Skyfire II. It's a very strange problem - I have set my output to 1440x900 60Hz which is the optimum resolution. 50% of the time I turn on my computer and it works fine, the other 50% the TV says "Not optimum mode. Recommended mode 1440x900 60Hz" and just has a black background. I can't think what could be causing this really and I'm not really sure where to go after playing with all the resolutions and getting the same problems. Thanks in advance.
 
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