It depends on your video card's outputs. If you don't have an S-Video out port, you can buy a 15 pin VGA to S-Video adapter. That inputs to the an S-Video port on your TV if one is available. The TV displays your desktop and will show the PP presentation that way.
I have tvs hooked to a pc with a 9 pin cable running menus in rgb. How can I run a powerpoint presentation to the tvs ?

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