Cammander, thanks for that link.
Bushfiva, thanks for that. I did get somewhere with reading the sideways manual and also found Wikki handy again. It looks like a really good reader as far as speed and clarity is concerned, but I'm darned if I can find any tools whatsoever.
From Commander's site,
Use S-Video as a last resort if you have no other choice, or are not as concerned about the video quality of your connection.
Well, it's back to VGA out for the laptop...which is quite new, but not very expensive. $640, on sale I think. I was aware that it did not have dedicated graphics memory.
The Samsung 120 Hz has three inputs, and a CD for computer interfacing.
Composite (yellow) 4 HDMIs and a VGA marked COMPUTER. So, unequivocal really. But again, I have to ration my time or I'll not get any work done or book writ.
One will return after a burst of enthusiasm.